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Integrated Device Technology - CMOS STATIC RAM 256K (32K x 8-BIT)

Numéro de référence IDT71256SA15PZ
Description CMOS STATIC RAM 256K (32K x 8-BIT)
Fabricant Integrated Device Technology 
Logo Integrated Device Technology 





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IDT71256SA15PZ fiche technique
Integrated Device Technology, Inc.
CMOS STATIC RAM
256K (32K x 8-BIT)
IDT71256SA
FEATURES:
• 32K x 8 advanced high-speed CMOS static RAM
• Commercial (0° to 70°C) and Industrial (-40° to 85°C)
temperature options
• Equal access and cycle times
— Commercial: 12/15/20/25ns
— Industrial: 15/20ns
• One Chip Select plus one Output Enable pin
• Bidirectional data inputs and outputs directly
TTL-compatible
• Low power consumption via chip deselect
• Commercial product available in 28-pin 300- and 600-mil
Plastic DIP, 300 mil Plastic SOJ and TSOP packages
• Industrial product available in 28-pin 300 mil Plastic SOJ
and TSOP packages
DESCRIPTION:
The ID71256SA is a 262,144-bit high-speed Static RAM
organized as 32K x 8. It is fabricated using IDT’s high-
perfomance, high-reliability CMOS technology. This state-of-
the-art technology, combined with innovative circuit design
techniques, provides a cost-effective solution for high-speed
memory needs.
The IDT71256SA has an output enable pin which operates
as fast as 6ns, with address access times as fast as 12ns. All
bidirectional inputs and outputs of the IDT71256SA are TTL-
compatible and operation is from a single 5V supply. Fully
static asynchronous circuitry is used, requiring no clocks or
refresh for operation.
The IDT71256SA is packaged in 28-pin 300- and 600-mil
Plastic DIP, 28-pin 300 mil Plastic SOJ and TSOP.
FUNCTIONAL BLOCK DIAGRAM
A0
A1
A2
A3
A4
A5
A6 ADDRESS
A7
A8 DECODER
A9
A10
A11
A12
A13
A14
I/O 0 – I/O7 8
8
262,144-BIT
MEMORY
ARRAY
I/O CONTROL
CS CONTROL
WE LOGIC
OE
2948 drw 01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL AND COMMERCIAL TEMPERATURE RANGES
©1997 Integrated Device Technology, Inc.
MAY 1997
DSC-2948/04
1

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