DESCRIPTION
The Accutek AK632256BZ SRAM Module consists of 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 300 mil SOJ packages and four decoupling capacitor chips mounted on each side of a printed circuit board.

FEATURES
• 262,144 x 32 bit organization
• JEDEC Standardized 64 pin SIM format
• Presence Detect PD0 and PD1 for identifying module density
• Common I/O, single OE functions with four separate chip
   selects (CE)
• Low height 0.500 inch maximum
• Downward compatible with 128K x 32 (AK632128), 64K x 32
   (AK63264) and 32K x 32 (AK63232)
• TTL-compatible inputs and outputs
• Upward compatible with 512K x 32 (AK632512) and 1 Meg x 32
   (AK6321024)
• Fast access times range from 12 nSEC BiCMOS to 45 nSEC
   CMOS
• TTL-compatible inputs and outputs
• Single 5 volt power supply - AK632256BZ
• Single 3.3 volt power supply - AK632256BZ/3.3
• Operating temperature range in free air, 0°C to 70°C