[Austin Semiconductor, Inc.]

GENERAL DESCRIPTION
The AS5C4009LL is organized as 524,288 x 8 SRAM utilizing a special ultra low power design process. ASI’s pinout adheres to the JEDEC standard for pinout on 4 megabit SRAMs. The evolutionary 32 pin version allows for easy upgrades from the 1 meg SRAM design.

FEATURES
• Ultra Low Power with 2V Data Retention
    (0.2mW MAX worst case Power-down standby)
• Fully Static, No Clocks
• Single +5V ±10% power supply
• Easy memory expansion with CE and OE options
• All inputs and outputs are TTL-compatible
• Three state outputs
• Operating temperature range:
    Ceramic -55°C to +125°C & -40°C to +85°C
    Plastic -40°C to +85°C3