-20 to 70c, 2016, 20ppm, 2.5v, 5 - Allicdata Electronics

Related Categories

1 2 3 4 5 >

Allicdata Part#	Mft.Part#	Company	Spec.	QTY.	Pricing(USD)
220-2016-ND	LCMXO3LF-2100C- 5BG324C	Lattice Semiconductor Corporation	View more Series: MachXO3 Part Status: Active Lead Free Status / RoHS Status: Lead free / RoHS Compliant Number of LABs/CLBs: 264 Moisture Sensitivity Level (MSL): 3 (168 Hours) Number of Logic Elements/Cells: 2112 Total RAM Bits: 75776 Number of I/O: 279 Voltage - Supply: 2.375 V ~ 3.465 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 85C (TJ) Package / Case: 324-LFBGA Supplier Device Package: 324-CABGA (15x15)	1000 Order	--
122-2016-ND	XA7A100T-1CSG32 4Q	Xilinx Inc.	View more Series: Automotive, AEC-Q100, Artix-7 XA Part Status: Active Lead Free Status / RoHS Status: Lead free / RoHS Compliant Number of LABs/CLBs: 7925 Moisture Sensitivity Level (MSL): 3 (168 Hours) Number of Logic Elements/Cells: 101440 Total RAM Bits: 4976640 Number of I/O: 210 Voltage - Supply: 0.95 V ~ 1.05 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 125C (TJ) Package / Case: 324-LFBGA, CSPBGA Supplier Device Package: 324-CSPBGA (15x15)	1000 Order	1+: $96.642
AX125-2FGG324-N D	AX125-2FGG324	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 168 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 70C (TA) Package / Case: 324-BGA Supplier Device Package: 324-FBGA (19x19) Base Part Number: AX125	1000 Order	1+: $0
AX125-FGG324-ND	AX125-FGG324	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 168 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 70C (TA) Package / Case: 324-BGA Supplier Device Package: 324-FBGA (19x19) Base Part Number: AX125	1000 Order	1+: $0
AX125-2FG256-ND	AX125-2FG256	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 138 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 70C (TA) Package / Case: 256-LBGA Supplier Device Package: 256-FPBGA (17x17) Base Part Number: AX125	1000 Order	1+: $0
AX125-1FG256-ND	AX125-1FG256	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 138 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 70C (TA) Package / Case: 256-LBGA Supplier Device Package: 256-FPBGA (17x17) Base Part Number: AX125	1000 Order	1+: $0
AX125-1FGG324-N D	AX125-1FGG324	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 168 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 70C (TA) Package / Case: 324-BGA Supplier Device Package: 324-FBGA (19x19) Base Part Number: AX125	1000 Order	1+: $0
AX125-FGG256-ND	AX125-FGG256	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 138 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 70C (TA) Package / Case: 256-LBGA Supplier Device Package: 256-FPBGA (17x17) Base Part Number: AX125	1000 Order	1+: $0
AX125-FG256-ND	AX125-FG256	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 138 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 70C (TA) Package / Case: 256-LBGA Supplier Device Package: 256-FPBGA (17x17) Base Part Number: AX125	1000 Order	1+: $0
AX125-FG324-ND	AX125-FG324	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 168 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 70C (TA) Package / Case: 324-BGA Supplier Device Package: 324-FBGA (19x19) Base Part Number: AX125	1000 Order	--
AX125-2FG324-ND	AX125-2FG324	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 168 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 70C (TA) Package / Case: 324-BGA Supplier Device Package: 324-FBGA (19x19) Base Part Number: AX125	1000 Order	1+: $0
AX125-1FGG256-N D	AX125-1FGG256	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 138 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 70C (TA) Package / Case: 256-LBGA Supplier Device Package: 256-FPBGA (17x17) Base Part Number: AX125	1000 Order	1+: $0
AX125-1FG324-ND	AX125-1FG324	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 168 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 70C (TA) Package / Case: 324-BGA Supplier Device Package: 324-FBGA (19x19) Base Part Number: AX125	1000 Order	1+: $0
AX125-2FGG256-N D	AX125-2FGG256	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 138 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 70C (TA) Package / Case: 256-LBGA Supplier Device Package: 256-FPBGA (17x17) Base Part Number: AX125	1000 Order	1+: $0
AX125-1FGG256I- ND	AX125-1FGG256I	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 138 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 85C (TA) Package / Case: 256-LBGA Supplier Device Package: 256-FPBGA (17x17) Base Part Number: AX125	1000 Order	1+: $0
AX125-2FG324I-N D	AX125-2FG324I	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 168 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 85C (TA) Package / Case: 324-BGA Supplier Device Package: 324-FBGA (19x19) Base Part Number: AX125	1000 Order	1+: $0
AX125-1FG256I-N D	AX125-1FG256I	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 138 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 85C (TA) Package / Case: 256-LBGA Supplier Device Package: 256-FPBGA (17x17) Base Part Number: AX125	1000 Order	1+: $0
AX125-2FGG256I- ND	AX125-2FGG256I	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 138 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 85C (TA) Package / Case: 256-LBGA Supplier Device Package: 256-FPBGA (17x17) Base Part Number: AX125	1000 Order	1+: $0
AX125-FGG324I-N D	AX125-FGG324I	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 168 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 85C (TA) Package / Case: 324-BGA Supplier Device Package: 324-FBGA (19x19) Base Part Number: AX125	1000 Order	1+: $0
AX125-1FG324I-N D	AX125-1FG324I	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 168 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 85C (TA) Package / Case: 324-BGA Supplier Device Package: 324-FBGA (19x19) Base Part Number: AX125	1000 Order	1+: $0
AX125-FG324I-ND	AX125-FG324I	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 168 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 85C (TA) Package / Case: 324-BGA Supplier Device Package: 324-FBGA (19x19) Base Part Number: AX125	1000 Order	1+: $0
AX125-FG256I-ND	AX125-FG256I	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 138 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 85C (TA) Package / Case: 256-LBGA Supplier Device Package: 256-FPBGA (17x17) Base Part Number: AX125	1000 Order	1+: $0
AX125-FGG256I-N D	AX125-FGG256I	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 138 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 85C (TA) Package / Case: 256-LBGA Supplier Device Package: 256-FPBGA (17x17) Base Part Number: AX125	1000 Order	1+: $0
AX125-2FGG324I- ND	AX125-2FGG324I	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 168 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 85C (TA) Package / Case: 324-BGA Supplier Device Package: 324-FBGA (19x19) Base Part Number: AX125	1000 Order	1+: $0
AX125-1FGG324I- ND	AX125-1FGG324I	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 168 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 85C (TA) Package / Case: 324-BGA Supplier Device Package: 324-FBGA (19x19) Base Part Number: AX125	1000 Order	1+: $0
AX125-2FG256I-N D	AX125-2FG256I	Microsemi Corporation	View more Series: Axcelerator Part Status: Obsolete Number of LABs/CLBs: 2016 Total RAM Bits: 18432 Number of I/O: 138 Number of Gates: 125000 Voltage - Supply: 1.425 V ~ 1.575 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 85C (TA) Package / Case: 256-LBGA Supplier Device Package: 256-FPBGA (17x17) Base Part Number: AX125	1000 Order	1+: $0
5962-9957201NNA -ND	5962-9957201NNA	Xilinx Inc.	View more Series: Virtex QPro Part Status: Obsolete Number of LABs/CLBs: 1536 Number of Logic Elements/Cells: 6912 Total RAM Bits: 65536 Number of I/O: 260 Number of Gates: 322970 Voltage - Supply: 2.375 V ~ 2.625 V Mounting Type: Surface Mount Operating Temperature: -55C ~ 125C (TJ) Package / Case: 352-LBGA Exposed Pad, Metal Supplier Device Package: 352-MBGA (35x35)	1000 Order	1+: $0
5962-9957201NUA -ND	5962-9957201NUA	Xilinx Inc.	View more Series: Virtex QPro Part Status: Obsolete Number of LABs/CLBs: 1536 Number of Logic Elements/Cells: 6912 Total RAM Bits: 65536 Number of I/O: 316 Number of Gates: 322970 Voltage - Supply: 2.375 V ~ 2.625 V Mounting Type: Surface Mount Operating Temperature: -55C ~ 125C (TJ) Package / Case: 432-LBGA Exposed Pad, Metal Supplier Device Package: 432-MBGA (40x40)	1000 Order	1+: $0
XC2S50-6FGG256C -ND	XC2S50-6FGG256C	Xilinx Inc.	View more Series: Spartan-II Part Status: Active Number of LABs/CLBs: 384 Number of Logic Elements/Cells: 1728 Total RAM Bits: 32768 Number of I/O: 176 Number of Gates: 50000 Voltage - Supply: 2.375 V ~ 2.625 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 85C (TJ) Package / Case: 256-BGA Supplier Device Package: 256-FBGA (17x17)	1000 Order	90+: $15.057
5962-9957401QXA -ND	5962-9957401QXA	Xilinx Inc.	View more Series: Virtex QPro Part Status: Obsolete Number of LABs/CLBs: 6144 Number of Logic Elements/Cells: 27648 Total RAM Bits: 131072 Number of I/O: 404 Number of Gates: 1124022 Voltage - Supply: 2.375 V ~ 2.625 V Mounting Type: Through Hole Operating Temperature: -55C ~ 125C (TJ) Package / Case: 28-CDIP (0.300", 7.62mm) Supplier Device Package: 28-CDIP	1000 Order	1+: $0
5962-9957301NUA -ND	5962-9957301NUA	Xilinx Inc.	View more Series: Virtex QPro Part Status: Obsolete Number of LABs/CLBs: 3456 Number of Logic Elements/Cells: 15552 Total RAM Bits: 98304 Number of I/O: 316 Number of Gates: 661111 Voltage - Supply: 2.375 V ~ 2.625 V Mounting Type: Surface Mount Operating Temperature: -55C ~ 125C (TJ) Package / Case: 432-LBGA Exposed Pad, Metal Supplier Device Package: 432-MBGA (40x40)	1000 Order	1+: $0
LCMXO3L-9400C-5 BG484I-ND	LCMXO3L-9400C-5 BG484I	Lattice Semiconductor Corporation	View more Series: MachXO3 Part Status: Active Lead Free Status / RoHS Status: Lead free / RoHS Compliant Number of LABs/CLBs: 1175 Number of Logic Elements/Cells: 9400 Total RAM Bits: 442368 Number of I/O: 384 Voltage - Supply: 2.375 V ~ 3.465 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 100C (TJ) Package / Case: 484-LFBGA Supplier Device Package: 484-CABGA (19x19)	1000 Order	84+: $8.9973
LCMXO3L-9400C-5 BG256I-ND	LCMXO3L-9400C-5 BG256I	Lattice Semiconductor Corporation	View more Series: MachXO3 Part Status: Active Lead Free Status / RoHS Status: Lead free / RoHS Compliant Number of LABs/CLBs: 1175 Number of Logic Elements/Cells: 9400 Total RAM Bits: 442368 Number of I/O: 206 Voltage - Supply: 2.375 V ~ 3.465 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 100C (TJ) Package / Case: 256-LFBGA Supplier Device Package: 256-CABGA (14x14)	1000 Order	119+: $7.1966
LCMXO3L-9400C-6 BG400C-ND	LCMXO3L-9400C-6 BG400C	Lattice Semiconductor Corporation	View more Series: MachXO3 Part Status: Active Lead Free Status / RoHS Status: Lead free / RoHS Compliant Number of LABs/CLBs: 1175 Number of Logic Elements/Cells: 9400 Total RAM Bits: 442368 Number of I/O: 335 Voltage - Supply: 2.375 V ~ 3.465 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 85C (TJ) Package / Case: 400-LFBGA Supplier Device Package: 400-CABGA (17x17)	1000 Order	90+: $8.571
LCMXO3LF-9400C- 5BG400C-ND	LCMXO3LF-9400C- 5BG400C	Lattice Semiconductor Corporation	View more Series: MachXO3 Part Status: Active Lead Free Status / RoHS Status: Lead free / RoHS Compliant Number of LABs/CLBs: 1175 Moisture Sensitivity Level (MSL): 3 (168 Hours) Number of Logic Elements/Cells: 9400 Total RAM Bits: 442368 Number of I/O: 335 Voltage - Supply: 2.375 V ~ 3.465 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 85C (TJ) Package / Case: 400-LFBGA Supplier Device Package: 400-CABGA (17x17)	1000 Order	90+: $9.0609
220-2127-ND	LCMXO3LF-9400C- 6BG256I	Lattice Semiconductor Corporation	View more Series: MachXO3 Part Status: Active Lead Free Status / RoHS Status: Lead free / RoHS Compliant Number of LABs/CLBs: 1175 Moisture Sensitivity Level (MSL): 3 (168 Hours) Number of Logic Elements/Cells: 9400 Total RAM Bits: 442368 Number of I/O: 206 Voltage - Supply: 2.375 V ~ 3.465 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 100C (TJ) Package / Case: 256-LFBGA Supplier Device Package: 256-CABGA (14x14)	1000 Order	119+: $9.1818
LCMXO3L-9400C-5 BG400C-ND	LCMXO3L-9400C-5 BG400C	Lattice Semiconductor Corporation	View more Series: MachXO3 Part Status: Active Lead Free Status / RoHS Status: Lead free / RoHS Compliant Number of LABs/CLBs: 1175 Number of Logic Elements/Cells: 9400 Total RAM Bits: 442368 Number of I/O: 335 Voltage - Supply: 2.375 V ~ 3.465 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 85C (TJ) Package / Case: 400-LFBGA Supplier Device Package: 400-CABGA (17x17)	1000 Order	90+: $7.7947
LCMXO3LF-9400E- 5MG256C-ND	LCMXO3LF-9400E- 5MG256C	Lattice Semiconductor Corporation	View more Series: MachXO3 Part Status: Active Lead Free Status / RoHS Status: Lead free / RoHS Compliant Number of LABs/CLBs: 1175 Moisture Sensitivity Level (MSL): 3 (168 Hours) Number of Logic Elements/Cells: 9400 Total RAM Bits: 442368 Number of I/O: 206 Voltage - Supply: 1.14 V ~ 1.26 V Mounting Type: Surface Mount Operating Temperature: 0C ~ 85C (TJ) Package / Case: 256-VFBGA Supplier Device Package: 256-CSFBGA (9x9)	1000 Order	260+: $6.3197
LCMXO3LF-9400C- 5BG400I-ND	LCMXO3LF-9400C- 5BG400I	Lattice Semiconductor Corporation	View more Series: MachXO3 Part Status: Active Lead Free Status / RoHS Status: Lead free / RoHS Compliant Number of LABs/CLBs: 1175 Moisture Sensitivity Level (MSL): 3 (168 Hours) Number of Logic Elements/Cells: 9400 Total RAM Bits: 442368 Number of I/O: 335 Voltage - Supply: 2.375 V ~ 3.465 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 100C (TJ) Package / Case: 400-LFBGA Supplier Device Package: 400-CABGA (17x17)	1000 Order	90+: $9.9645
LCMXO3LF-9400E- 5MG256I-ND	LCMXO3LF-9400E- 5MG256I	Lattice Semiconductor Corporation	View more Series: MachXO3 Part Status: Active Lead Free Status / RoHS Status: Lead free / RoHS Compliant Number of LABs/CLBs: 1175 Moisture Sensitivity Level (MSL): 3 (168 Hours) Number of Logic Elements/Cells: 9400 Total RAM Bits: 442368 Number of I/O: 206 Voltage - Supply: 1.14 V ~ 1.26 V Mounting Type: Surface Mount Operating Temperature: -40C ~ 100C (TJ) Package / Case: 256-VFBGA Supplier Device Package: 256-CSFBGA (9x9)	1000 Order	260+: $6.9484

1 2 3 4 5 >

Hot Searches: -20 to 70c, 2016, 20ppm, 2.5v, 1 -20 to 70c, 2016, 20ppm, 2.5v, 2 -20 to 70c, 2016, 20ppm, 2.5v, 3 -20 to 70c, 2016, 20ppm, 2.5v, 4 -20 to 70c, 2016, 20ppm, 2.5v, 5 -20 to 70c, 2016, 20ppm, 2.5v, 6 -20 to 70c, 2016, 20ppm, 2.5v, 7 -20 to 70c, 2016, 20ppm, 2.5v, 8 -20 to 70c, 2016, 20ppm, 1.8v, 1 -20 to 70c, 2016, 20ppm, 1.8v, 2 -20 to 70c, 2016, 20ppm, 1.8v, 3 -20 to 70c, 2016, 20ppm, 1.8v, 4 -20 to 70c, 2016, 20ppm, 1.8v, 5 -20 to 70c, 2016, 20ppm, 1.8v, 6 -20 to 70c, 2016, 20ppm, 1.8v, 7 -20 to 70c, 2016, 20ppm, 1.8v, 8 -20 to 70c, 2016, 20ppm, 2.8v, 1 -20 to 70c, 2016, 20ppm, 2.8v, 2 -20 to 70c, 2016, 20ppm, 2.8v, 3 -20 to 70c, 2016, 20ppm, 2.8v, 4

Search Result:-20 to 70c, 2016, 20ppm, 2.5v, 5

Related Categories