This document is about Alliance Memory Inc.'s AS7C1024B 5V 128K X 8 CMOS SRAM. The product features industrial and commercial temperatures, organization of 131,072 words x 8 bits, high-speed access time, low power consumption, etc.
The AS7C1024B is a high‑performance 1,048,576‑bit CMOS static RAM organized as 131,072 words × 8 bits. It offers fast address access times (10‑20 ns) and low power consumption, with active power of up to 605 mW and standby power as low as 55 mW.
The document provides electrical characteristics, timing diagrams for read and write cycles, package dimensions for SOJ and TSOP variants, and ordering codes for commercial and industrial temperature ranges. It also lists absolute maximum ratings and recommended operating conditions.
| Organization | 131,072 words × 8 bits |
|---|---|
| Address access time | 10‑20 ns (depending on speed grade) |
| Active power consumption | 605 mW max @ 10 ns |
| Standby power consumption | 55 mW max |
| Supply voltage (VCC) | 4.5 V – 5.5 V |
| Storage temperature (plastic) | -65 °C – +150 °C |
| Ambient temperature (commercial) | 0 °C – 70 °C |
| Ambient temperature (industrial) | -40 °C – +85 °C |
| Output low‑level current | 20 mA max |
The device can operate up to +85 °C ambient temperature in industrial conditions.
The maximum standby power consumption is 55 mW.