Functional description

The AS7C1025A and AS7C31025A are high-performance CMOS 1,048,576-bit Static Random Access Memory (SRAM) devices organized as 131,072 x 8 bits. They are designed for memory applications where fast data access, low power, and simple interfacing are desired.

Features

• AS7C1025A (5V version)

• AS7C31025A (3.3V version)

• Industrial and commercial temperatures

• Organization: 131,072 x 8 bits

• High speed

- 10/10/12/15/20 ns address access time

- 3/3/4/5 ns output enable access time

• Low power consumption: ACTIVE

- 660 mW (AS7C1025A) / max @ 10 ns (5V)

- 324 mW (AS7C31025A) / max @ 10 ns (3.3V)

• Low power consumption: STANDBY

- 55 mW (AS7C1025A) / max CMOS (5V)

- 36 mW (AS7C31025A) / max CMOS (3.3V)

• Latest 6T 0.25u CMOS technology

• 2.0V data retention

• Easy memory expansion with CE, OE inputs

• Center power and ground

• TTL/LVTTL-compatible, three-state I/O

• JEDEC-standard packages

- 32-pin, 300 mil SOJ

- 32-pin, 400 mil SOJ

- 32-pin, TSOP II

• ESD protection ≥ 2000 volts

• Latch-up current ≥ 200 mA