AS7C256
Features
- AS7C256 (5V version)
- AS7C3256 (3.3V version)
- Industrial and mercial temperature
- Organization: 262,144 words × 16 bits
- High speed
- 12/15/20 ns address access time
- 5/6/7/9 ns output enable access time
- Very low power consumption: ACTIVE
- 660m W (AS7C256) / max @ 12 ns
- 216m W (AS7C3256) / max @ 12 ns
- Very low power consumption: STANDBY
- 22 m W (AS7C256) / max CMOS I/O
Logic block diagram
- 7.2 m W (AS7C3256) / max CMOS I/O
- 2.0V data retention
- Easy memory expansion with CE and OE inputs
- TTL-patible, three-state I/O
- 28-pin JEDEC standard packages
- 300 mil PDIP
- 300 mil SOJ
- 8 × 13.4 TSOP
- ESD protection ≥ 2000 volts
- Latch-up current ≥ 200 m A
Pin arrangement
28-pin TSOP I (8×13.4)
28-pin DIP, SOJ (300 mil)
Input buffer
A14 1
28 VCC
Row decoder Sense amp AS7C256 AS7C3256
A0 A1 A2 256 X 128 X 8 A3
Array...
