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M48Z2M1V Datasheet(PDF) 5 Page - STMicroelectronics |
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M48Z2M1V Datasheet(HTML) 5 Page - STMicroelectronics |
5 / 20 page M48Z2M1Y, M48Z2M1V Description Doc ID 5135 Rev 5 5/20 1 Description The M48Z2M1Y/V ZEROPOWER® RAM is a non-volatile 16,777,216-bit, static RAM organized as 2,097,152 words by 8 bits. The device combines two internal lithium batteries, CMOS SRAMs and a control circuit in a plastic 36-pin DIP, long module. The ZEROPOWER RAM replaces industry standard SRAMs. It provides the non-volatility of PROMs without any requirement for special WRITE timing or limitations on the number of WRITEs that can be performed. Figure 1. Logic diagram Table 1. Signal names A0-A20 Address inputs DQ0-DQ7 Data inputs / outputs E Chip enable G Output enable W WRITE enable VCC Supply voltage VSS Ground NC Not connected internally AI02048 21 A0-A20 W DQ0-DQ7 VCC M48Z2M1Y M48Z2M1V G VSS 8 E |
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