
ACCUTEK MICROCIRCUIT CORPORATION
DESCRIPTION
The Accutek AK491024 high density memory module is a random access memory organized in 1 Meg x 9 bit words. The assembly consists of nine standard 1 Meg x 1 DRAMs in plastic leaded chip carriers (SOJ) mounted on 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 6 to 1 density increase over standard DIP packaging.
FEATURES
• 1,048,576 x 9 bit organization
• Optional 30 Pad leadless SIM (Single In-Line Module) or 30
Pin leaded SIP (Single In-Line Package)
• JEDEC standard pinout
• Common CAS and RAS control for the lower eight bits
• Separate PCAS control for D9 and Q9
• CAS-before-RAS refresh
• Power
3.465 Watt Max Active (80 nSEC)
2.97 Watt Max Active (100 nSEC)
2.475 Watt Max Active (120 nSEC)
49.5 mW Max Standby
• Operating free air temperature 0°C to 70°C
• Upward compatible with AK594096 and AK5916384
• Downward compatible with AK49256