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PUMA77S16000A-025 Datasheet

  • PUMA77S16000A-025

  • SRAM|512KX32|CMOS|QFP|68PIN|CERAMIC

  • 10頁(yè)

  • ETC

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512K x 32 SRAM MODULE
PUMA 2/77S16000/A - 020/025/35
Elm Road, West Chirton, NORTH SHIELDS, Tyne & Wear
NE29 8SE, England Tel. +44 (0191) 2930500 Fax. +44 (0191) 2590997
Issue 4.4 : April 2001
Description
16,777,216 bit CMOS High Speed Static RAM
Available in PGA (PUMA 2 ) and Gullwing (PUMA 77)
Features
footprints, the PUMA **S16000 is a 16 MBit SRAM 鈥?16MBit Fast SRAM Module.
module user configurable as 512K x 32, 1M x 16 or 2M 鈥?Fast Access times of 20/25/35ns.
x 8. The device is available with fast access times of
鈥?Configurable as 8 / 16 / 32 bit wide output.
20,25 and 30ns. A low power standby and Data
鈥?Operating Power 1980 / 2640 / 3960 mW (max).
Retention mode is available. The device may be
Standby TTL
1320mW (max).
screened in accordance with MIL-STD-883.
鈥?Single 5V鹵10% Power supply.
鈥?TTL compatible inputs and outputs.
鈥?May be screened in accordance with MIL-STD-883.
鈥?PUMA 2 - 66 pin ceramic PGA
鈥?PUMA77 - 68 pin ceramic Gullwing
Block Diagram
PUMA 2S16000 and 77S16000A, 77S16000B
A0~A18
OE
WE4
WE3
WE2
WE1
512K x 8
SRAM
CS1
CS2
CS3
CS4
D0~7
D8~15
D16~23
D24~31
512K x 8
SRAM
512K x 8
SRAM
512K x 8
SRAM
Block Diagram
PUMA 77S16000
A0~A18
OE
WE
512K x 8
SRAM
CS1
CS2
CS3
CS4
D0~7
D8~15
D16~23
D24~31
512K x 8
SRAM
512K x 8
SRAM
512K x 8
SRAM
Pin Functions
A0~A18
CS1~4
WE1~4
V
CC
Address Inputs
Chip Select
Write Enable
Power (+5V)
D0~D31
OE
NC
GND
Data Inputs/Outputs
Output Enable
No Connect
Ground

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