MR27V6402G
4 Meg x 16 or 8 Meg x 8 Production Programmed Read Only Memory (P2ROM)
- 4,194,304-word × 16-bit/8,388,608-word × 8-bit electrically switchable configuration
- +3.0 V to 3.6 V power supply
- Access time 80 ns MAX
- Operating current 30 mA MAX
- Standby current 10 µA MAX
- Input/Output TTL compatible
- Three-state output
- datasheet
Oki Semiconductor's Cross Reference lists two perfect matches: