Allicdata Part #: | 428-3216-ND |
Manufacturer Part#: |
FM25W256-G |
Price: | $ 0.00 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | Cypress Semiconductor Corp |
Short Description: | IC FRAM 256K SPI 20MHZ 8SOICFRAM (Ferroelectric RA... |
More Detail: | N/A |
DataSheet: | FM25W256-G Datasheet/PDF |
Quantity: | 1554 |
Series: | F-RAM™ |
Packaging: | Tube |
Part Status: | Active |
Memory Type: | Non-Volatile |
Memory Format: | FRAM |
Technology: | FRAM (Ferroelectric RAM) |
Memory Size: | 256Kb (32K x 8) |
Clock Frequency: | 20MHz |
Write Cycle Time - Word, Page: | -- |
Access Time: | -- |
Memory Interface: | SPI |
Voltage - Supply: | 2.7 V ~ 5.5 V |
Operating Temperature: | -40°C ~ 85°C (TA) |
Mounting Type: | Surface Mount |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Supplier Device Package: | 8-SOIC |
Base Part Number: | FM25W256 |
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1. Description
The FM25W256-G is a 256-Kbit nonvolatile memory employing an advanced ferroelectric process. A ferroelectric random access memory or F-RAM is nonvolatile and performs reads and writes similar to a RAM. It provides reliable data retention for 151 years while eliminating the complexities, overhead, and system level reliability problems caused by serial flash, EEPROM, and other nonvolatile memories. Unlike serial flash and EEPROM, the FM25W256 performs write operations at bus speed. No write delays are incurred. Data is written to the memory array immediately after each byte is successfully transferred to the device. The next bus cycle can commence without the need for data polling. In addition, the product offers substantial write endurance compared with other nonvolatile memories. The FM25W256 is capable of supporting 1014 read/write cycles, or 100 million times more write cycles than EEPROM. These capabilities make the FM25W256 ideal for nonvolatile memory applications requiring frequent or rapid writes. Examples range from data collection, where the number of write cycles may be critical, to demanding industrial controls where the long write time of serial flash or EEPROM can cause data loss. The FM25W256 provides substantial benefits to users of serial EEPROM or flash as a hardware drop-in replacement. The FM25W256 uses the high-speed SPI bus, which enhances the high-speed write capability of F-RAM technology. The device specifications are guaranteed over an industrial temperature range of –40 °C to +85 °C.
2. Features
1. 256-Kbit ferroelectric random access memory logically organized as 32K × 8
- High-endurance 100 trillion (1014) read/writes
- 151-year data retention
- NoDelay™ writes
- Advanced high-reliability ferroelectric process
2. Very fast serial peripheral interface (SPI)
- Up to 20 MHz frequency
- Direct hardware replacement for serial flash and EEPROM
- Supports SPI mode 0 (0, 0) and mode 3 (1, 1)
3. Sophisticated write protection scheme
- Hardware protection using the Write Protect (WP) pin
- Software protection using Write Disable instruction
- Software block protection for 1/4, 1/2, or entire array
4. Low power consumption
- 250 μA active current at 1 MHz
- 15 µA (typ) standby current
5. Wide voltage operation: VDD = 2.7 V to 5.5 V
6. Industrial temperature: –40 °C to +85 °C
7. 8-pin small outline integrated circuit (SOIC) package
8. Restriction of hazardous substances (RoHS) compliant
3. Pin configuration
4. Pin Definitions
5. Package Diagram
Part Number | Manufacturer | Price | Quantity | Description |
---|
FM25L16B-G | Cypress Semi... | -- | 142 | IC FRAM 16K SPI 20MHZ 8SO... |
FM25LX64-GTR | Ramtron | 1.26 $ | 220 | IC FRAM 64K SPI 20MHZ 8SO... |
FM25V05-GTR | Cypress Semi... | -- | 4760 | IC FRAM 512K SPI 40MHZ 8S... |
FM25L04B-DG | Cypress Semi... | 1.4 $ | 971 | IC FRAM 4K SPI 20MHZ 8TDF... |
FM25L16B-DGTR | Cypress Semi... | -- | 1000 | IC FRAM 16K SPI 20MHZ 8TD... |
FM25640B-GTR | Cypress Semi... | -- | 1000 | IC FRAM 64K SPI 20MHZ 8SO... |
FM25V01A-GTR | Cypress Semi... | -- | 1000 | IC FRAM 128K SPI 40MHZ 8S... |
FM25L16B-GTR | Cypress Semi... | -- | 654 | IC FRAM 16K SPI 20MHZ 8SO... |
FM25L04B-GTR | Cypress Semi... | -- | 1000 | IC FRAM 4K SPI 20MHZ 8SOI... |
FM2540-7 | Bel Power So... | 488.23 $ | 1000 | DC/DC CONVERTER 2X15V 50W |
FM25040B-GTR | Cypress Semi... | -- | 2500 | IC FRAM 4K SPI 20MHZ 8SOI... |
FM25C160B-G | Cypress Semi... | -- | 963 | IC FRAM 16K SPI 20MHZ 8SO... |
FM25040B-G | Cypress Semi... | -- | 3964 | IC FRAM 4K SPI 20MHZ 8SOI... |
FM25CL64B-DG | Cypress Semi... | 2.44 $ | 548 | IC FRAM 64K SPI 20MHZ 8TD... |
FM25V02A-DG | Cypress Semi... | 4.97 $ | 389 | IC FRAM 256K SPI 40MHZ 8D... |
FM25640B-G | Cypress Semi... | -- | 457 | IC FRAM 64K SPI 20MHZ 8SO... |
FM25V02A-DGQ | Cypress Semi... | 4.87 $ | 309 | IC FRAM 256K SPI 40MHZ 8D... |
FM25L04B-DGTR | Cypress Semi... | 0.98 $ | 1000 | IC FRAM 4K SPI 20MHZ 8TDF... |
FM25C160B-GTR | Cypress Semi... | -- | 5000 | IC FRAM 16K SPI 20MHZ 8SO... |
FM25L04B-G | Cypress Semi... | -- | 2669 | IC FRAM 4K SPI 20MHZ 8SOI... |
FM25CL64B-GTR | Cypress Semi... | -- | 5000 | IC FRAM 64K SPI 20MHZ 8SO... |
FM25CL64B-G | Cypress Semi... | -- | 5038 | IC FRAM 64K SPI 20MHZ 8SO... |
FM25V02A-GTR | Cypress Semi... | -- | 7500 | IC FRAM 256K SPI 40MHZ 8S... |
FM25W256-GTR | Cypress Semi... | -- | 1000 | IC FRAM 256K SPI 20MHZ 8S... |
FM25V01A-G | Cypress Semi... | -- | 937 | IC FRAM 128K SPI 40MHZ 8S... |
FM25V02A-G | Cypress Semi... | -- | 3656 | IC FRAM 256K SPI 40MHZ 8S... |
FM25W256-G | Cypress Semi... | -- | 1554 | IC FRAM 256K SPI 20MHZ 8S... |
FM25V10-G | Cypress Semi... | -- | 6796 | IC FRAM 1M SPI 40MHZ 8SOI... |
FM25VN10-G | Cypress Semi... | 9.11 $ | 990 | IC FRAM 1M SPI 40MHZ 8SOI... |
FM25V20A-GTR | Cypress Semi... | -- | 2000 | IC FRAM 2M SPI 40MHZ 8SOI... |
FM25V05-G | Cypress Semi... | -- | 3295 | IC FRAM 512K SPI 40MHZ 8S... |
FM25V20A-DGQ | Cypress Semi... | 11.82 $ | 533 | IC FRAM 2M SPI 40MHZ 8TDF... |
FM25V20A-DG | Cypress Semi... | -- | 3750 | IC FRAM 2M SPI 40MHZ 8TDF... |
FM25V20A-G | Cypress Semi... | -- | 1619 | IC FRAM 2M SPI 40MHZ 8SOI... |
FM25040B-GA1TR | Cypress Semi... | 0.0 $ | 1000 | IC FRAM 4K SPI 14MHZ 8SOI... |
FM25040B-GA1 | Cypress Semi... | 0.0 $ | 1000 | IC FRAM 4K SPI 14MHZ 8SOI... |
FM25CL64B-GATR | Cypress Semi... | -- | 1000 | IC FRAM 64K SPI 16MHZ 8SO... |
FM25L04B-GA4 | Cypress Semi... | 0.0 $ | 1000 | IC FRAM 4K SPI 8SOICFRAM ... |
FM25L04B-GA4TR | Cypress Semi... | 0.0 $ | 1000 | IC FRAM 4K SPI 8SOICFRAM ... |
FM25640B-GA | Ramtron | -- | 1000 | IC FRAM 64K SPI 4MHZ 8SOI... |
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