Datasheet Summary
Features
:
- High-speed (equal access and cycle times) -Military
- 45/55/70/85ns max. -mercial
- 35/45/55/70ns max.
- Low-power operation -IDT 71257S Active: 400mW (typ.) Standby: 400l'W (typ.) -IDT 71257L Active: 350mW (typ.) Standby: 100l'W (typ.)
- Battery backup operation
- 2V data retention (L version only)
- High-density industry standard 24-pin, 300 mil DIP
- Produced with advanced CEMOS" technology
- Separate data input and output
- Single 5V (±10%) power supply
- Inputs/outputs TTL-patible
- Three state outputs
- Static operation
- no clocks or refresh required
- Military product 100% screened to MIL-STD-883, Class B
DESCRIPTION:
The IDT71257, a 262, 144-bit high-speed...