
ACCUTEK MICROCIRCUIT CORPORATION
DESCRIPTION
The Accutek AK59256A high density memory modules is a random access memory organized in 256K x 9 bit words. The assembly consists of two 256K x 4 and one 256K x 1 DRAMs in surface mount packages mounted to the front side of a printed circuit board. The module can be configured as a leadless 30 pad SIM or a leaded 30 pin SIP. This packaging approach provides a better than 6 to 1 density increase over standard DIP packaging.
FEATURES
• 262,144 x 9 bit organization
• Optional 30 Pad SIM (Single In-Line Module) or 30 Pin leaded
SIP (Single In-Line Package)
• JEDEC standard pinout
• Common CAS, RAS and WE control for the lower eight bits
• Separate PCAS control for D9 and Q9
• Power:
1.26 Watt Max Active (70 nSEC)
1.10 Watt Max Active (80 nSEC)
.935 Wat Max Active (100 nSEC)
22 mWatt Standby (Max)
• Operating free air temperature: 0°C to 70°C
• Upward compatible with AK491024, AK591024, AK594096 and
AK5916384
• Functionally and Pin compatible with AK49256
• Available with access times of 60 nSEC to 100 nSEC