DESCRIPTION
The Accutek AK632256 SRAM Module consists of eight fast high performance SRAMs mounted on a low profile, 64 pin SIM or ZIP Board. The module utilizes four 28 pin 256K x 4 SRAMs in SOJ packages and four decoupling capacitors mounted on each side of a printed circuit board.

FEATURES
• 262,144 x 32 bit organization
• JEDEC Standardized 64 pin SIM or ZIP format
• Common I/O, single OE functions with four separate chip
   selects (CE)
• Low height, 0.680 inch SIM or 0.540 inch ZIP maximum
• Upward compatible with 512K x 32 (AK532512) and
   1 Meg x 32 (AK6321024)
• Downward compatible with 32K x 32 (AK63232), 64K x 32
   (AK63264) and 128K x 32 (AK632128)
• Presence Detect PD0 and PD1 for identifying module density
• Fast access times range from 12 nSEC BiCMOS to 45 nSEC
   CMOS
• TTL-compatible inputs and outputs
• Single 5 volt power supply - AK632256W, AK632256Z
• Single 3.3 volt power supply - AK632256W/3.3,
   AK632256Z/3.3
• Operating temperature range in free air, 0°C to 70°C