The CY62128B is a high-performance CMOS static RAM organized as 131,072 words by 8 bits. It has high performance, low power consumption and low temperature range, and can be widely used in industrial, automotive and other fields.
The CY62128B is a high‑performance CMOS static RAM organized as 131,072 words by 8 bits. It offers low active and standby power, automatic power‑down, and TTL‑compatible I/O. The device operates from 4.5 V to 5.5 V and supports commercial, industrial, and automotive temperature ranges.
The datasheet provides detailed electrical characteristics, timing diagrams, package options (SOIC, TSOP, STSOP), and ordering information. It also includes maximum ratings, thermal resistance data, and a truth table for control‑signal operation.
| Memory organization | 131,072 words × 8 bits (128 K × 8) |
|---|---|
| Supply voltage | 4.5 V – 5.5 V |
| Operating temperature (industrial) | -40 °C to +85 °C |
| Access time (tAA) | 55 ns – 70 ns |
| Write cycle time (tWC) | 55 ns – 70 ns |
| Package types | 450‑mil SOIC, 32‑pin TSOP Type I, STSOP |
| Data retention voltage (VDR) | 2.0 V |
The CY62128B operates from –40 °C to +85 °C in industrial applications.
It is offered in 450‑mil SOIC, 32‑lead TSOP Type I, and STSOP packages.
The device operates from 4.5 V to 5.5 V.