IS63WV1288DBLL-10KLI

Series:	--
Packaging:	Tube
Part Status:	Active
Memory Type:	Volatile
Memory Format:	SRAM
Technology:	SRAM - Asynchronous
Memory Size:	1Mb (128K x 8)
Write Cycle Time - Word, Page:	10ns
Access Time:	10ns
Memory Interface:	Parallel
Voltage - Supply:	2.4 V ~ 3.6 V
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount
Package / Case:	32-BSOJ (0.400", 10.16mm Width)
Supplier Device Package:	32-SOJ

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Memory: IS63WV1288DBLL-10KLI Application Field and Working Principle

Memory is integral part of any digital platform and IS63WV1288DBLL-10KLI is one such memory solution which has been used for a long time in embedded and industrial applications. IS63WV1288DBLL-10KLI is an SRAM based integrated circuit, meaning it is composed of several memory cells. The memory capacity is 128Kbits and it is organized as 16K x 8 bits, but different organizations of the device, such as 256K x 4 and 64K x 16, can be achieved using different organization modes.

Battery Backup

IS63WV1288DBLL-10KLI typically includes a battery backup in order to retain the SRAM contents when the product is powered off. This functionality is unlocked by adding a 14-pin lithium battery socket on the printed circuit board. The battery backup will then provide power to keep the stored data intact when power is removed from the IC. It is important to note that there is an active current draw on the backup battery even when the supply voltage is present.

Sleep Mode

The IS63WV1288DBLL-10KLI also has a “sleep” mode that allows the device to reduce power consumption (which is especially important for industrial applications that need to maintain a longer run-time). When the IC is placed in sleep mode, it is still able to maintain its SRAM contents but at a lower current output, which helps conserve power.

Interfacing and Data Control

The device features a 16-bit wide data port with a latched system for transferring data to and from the SRAM. It is organized with two read/write ports—one for data input and one for data output. Data is output from the memory cell on the falling edge of the write pulse, which is triggered by the presence of an active signal on the CE# pin. During read cycles, data is placed on the DO port at the rising edge of the read pulse.In order to control the flow of data to and from the SRAM, the device uses an RS signal on the “/OE” pin of the device. The ‘/OE’ signal can be asserted by either the ‘/CE’ signal or the ‘/WE’ signal. The RS signal basically acts as an enable signal which when active, allows data to be transferred.

Circuit Configuration

The IS63WV1288DBLL-10KLI is configured using a number of other pins, such as the ‘/CE’, ‘/WE’, CS# and A0 pins. The ‘/CE’ signal is used to select the memory space to which data is written. The ‘/WE’ signal is used for writing data to the selected memory space and the A0 pin (address line) is used to identify the address of the targeted memory location. Lastly, the CS# pin is used to activate the read and write operations.

Application Fields

The IS63WV1288DBLL-10KLI is often used in industrial applications due to its low power usage, fast access times and battery backup functionality. It is also used in embedded systems such as security systems, portable communication devices and industrial automation systems.

Conclusion

In conclusion, IS63WV1288DBLL-10KLI is an SRAM based integrated circuit which is used in industrial and embedded applications due to its low power and fast access times. It contains a number of pins for circuit configuration and control as well as a battery backup functionality for data retention when the system is powered down.

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