ISSI IS61C1024 and IS61C1024L are very high-speed, low power, 131,072-word by 8-bit CMOS static RAMs. They are fabricated using ISSI's high-performance CMOS technology. This highly reliable process coupled with innovative circuit design techniques yields higher performance and low power consumption devices. The product features high-speed access time, low power consumption, and ease of application.
The IS61C1024 and IS61C1024L are 128 K × 8 high‑speed, low‑power CMOS static RAMs offered by Integrated Silicon Solution (ISSI). They feature fully static operation, two chip‑enable inputs for easy memory expansion, and TTL‑compatible I/O.
This datasheet lists the device’s electrical characteristics, timing parameters, package options, absolute‑maximum ratings and ordering information for both the standard and low‑power versions, covering commercial and industrial temperature ranges.
| Access time | 12‑25 ns |
|---|---|
| Low active power | 600 mW (typical) |
| Supply voltage | 5 V (‑10 %) |
| Commercial temperature range | 0 °C to +70 °C |
| Industrial temperature range | –40 °C to +85 °C |
| Package options | 32‑pin SOJ, TSOP (Type I, 8×20), sTSOP (Type I, 8×13.4) |
| Input capacitance | 5 pF (V_IN = 0 V) |
| Output capacitance | 7 pF (V_OUT = 0 V) |
| Write cycle time | 12‑25 ns |
The device offers high‑speed access times of 12, 15, 20 or 25 ns.
It operates from a single 5 V supply, allowing a –10 % tolerance.
Commercial range is 0 °C to +70 °C, while industrial range is –40 °C to +85 °C.
It is offered in 32‑pin SOJ, TSOP (Type I, 8×20) and sTSOP (Type I, 8×13.4) packages.