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IDT71028S70Y Datasheet

  • IDT71028S70Y

  • CMOS STATIC RAM 1 MEG (256K x 4-BIT)

  • 7頁

  • IDT

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CMOS STATIC RAM
1 MEG (256K x 4-BIT)
Integrated Device Technology, Inc.
IDT71028S70
FEATURES:
鈥?256K x 4 CMOS static RAM
鈥?Equal access and cycle times
鈥?Commercial: 70ns
鈥?One Chip Select plus one Output Enable pin
鈥?Bidirectional data Inputs and outputs directly
TTL-compatible
鈥?Low power consumption via chip deselect
鈥?Available in 400 mil Plastic SOJ package
DESCRIPTION:
The IDT71028 is a 1,024,576-bit medium-speed static
RAM organized as 256K x 4. It is fabricated using IDT鈥檚 high-
perfomance, high-reliability CMOS technology. This state-of-
the-art technology, combined with innovative circuit design
techniques, provides a cost-effective solution for your memory
needs.
The IDT71028 has an output enable pin which operates as
fast as 30ns, with address access times as fast as 70ns. All
bidirectional inputs and outputs of the IDT71028 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 IDT71028 is packaged in 28-pin 400 mil Plastic SOJ
package.
FUNCTIONAL BLOCK DIAGRAM
A
0
ADDRESS
DECODER
1,048,576-BIT
MEMORY
ARRAY
A
17
I/O
0
鈥?I/O
3
4
4
I/O CONTROL
CS
WE
OE
CONTROL
LOGIC
3569 drw 01
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL TEMPERATURE RANGE
漏1996
Integrated Device Technology, Inc.
MAY 1996
3569/-
1

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