512 K x 32 Static RAM
SYS32512ZK/LK - 010/012/015
Issue 5.0 June 1999
Description
The SYS32512 is a 512K x 8 SRAM module in a ZIP
(ZK) or SIMM (LK & LKXA) packages with access
times of 12 and 15ns, with 10ns parts under
development. The device is available to
commercial and industrial temperature grade.
The LK SIMM package is designed for standard
SIMM sockets. The LKXA is designed to fit both
angled and standard sockets.
Block Diagram
A0~A18
/WE
/OE
512K x 8
SRAM
/CS1
512K x 8
D0~7
SRAM
/CS2
512K x 8
D8~15
Features
• Access times of 10, 12 and 15ns.
• 5V + 10%.
• Commercial and Industrial temperature grades
• 72 pin ZIP and SIMM packages.
• Industry standard footprint.
• Power dissipation.
• Operating Power
(32 Bit) 4.62W (max)
• Low power standby. (TTL) 1.32W (max)
(CMOS) 330mW (max)
• Completely Static Operation.
/CS3
SRAM
D16~23
512K x 8
SRAM
/CS4
D24~D31
Pin Definition
See page 2.
Pin Functions
Description
Address Input
Data Input/Output
Chip Select
Presence Detect
Write Enable
Output Enable
No Connect
Power
Ground
Signal
A0~A18
D0~D31
/CS1~4
PD0~3
/WE
/OE
NC
V
CC
V
SS
Package Details
Plastic 72 Pin ZIP (ZK)
Max. Dimensions (mm) - 97.80 x 20.61 x 5.90
Plastic 72 Pin SIMM (LK)
Max. Dimensions (mm) - 108.08 x 15.00 x 5.25
Plastic 72 Pin SIMM (LKXA)
Max. Dimensions (mm) - 108.08 x 20.32 x 4.55
MOSAIC [ MOSAIC ]
