Features
• AS7C256 (5V version)
• AS7C3256 (3.3V version)
• Industrial and commercial 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
   - 660mW (AS7C256) / max @ 12 ns
   - 216mW (AS7C3256) / max @ 12 ns
• Very low power consumption: STANDBY
   - 22 mW (AS7C256) / max CMOS I/O
   - 7.2 mW (AS7C3256) / max CMOS I/O
• 2.0V data retention
• Easy memory expansion with CE and OE inputs
• TTL-compatible, 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 mA