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IDT71V428 Dataheets PDF



Part Number IDT71V428
Manufacturers Integrated Device Technology
Logo Integrated Device Technology
Description 3.3V CMOS STATIC RAM 4 MEG (1M x 4-BIT)
Datasheet IDT71V428 DatasheetIDT71V428 Datasheet (PDF)

3.3V CMOS STATIC RAM 4 MEG (1M x 4-BIT) Integrated Device Technology, Inc. ADVANCE INFORMATION IDT71V428 FEATURES: • 1M x 4 advanced high-speed CMOS Static RAM • JEDEC Center Power / GND pinout for reduced noise • Equal access and cycle times — 12/15/20ns • Single 3.3V power supply • One Chip Select plus one Output Enable pin • Bidirectional data inputs and outputs directly TTL-compatible • Low power consumption via chip deselect • Available in 32-pin, 400 mil plastic SOJ package DESCRIPTION:.

  IDT71V428   IDT71V428


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3.3V CMOS STATIC RAM 4 MEG (1M x 4-BIT) Integrated Device Technology, Inc. ADVANCE INFORMATION IDT71V428 FEATURES: • 1M x 4 advanced high-speed CMOS Static RAM • JEDEC Center Power / GND pinout for reduced noise • Equal access and cycle times — 12/15/20ns • Single 3.3V power supply • One Chip Select plus one Output Enable pin • Bidirectional data inputs and outputs directly TTL-compatible • Low power consumption via chip deselect • Available in 32-pin, 400 mil plastic SOJ package DESCRIPTION: The IDT71V428 is a 4,194,304-bit high-speed Static RAM organized as 1M x 4. It is fabricated using IDT’s highperfomance, high-reliability CMOS technology. This state-ofthe-art technology, combined with innovative circuit design techniques, provides a cost-effective solution for high-speed memory needs. The IDT71V428 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 IDT71V428 are TTLcompatible and operation is from a single 3.3V supply. Fully static asynchronous circuitry is used, requiring no clocks or refresh for operation. The IDT71V428 is packaged in a 32-pin, 400mil Plastic SOJ. FUNCTIONAL BLOCK DIAGRAM A0 • • • A19 ADDRESS DECODER • • • 4,194,304-BIT MEMORY ARRAY I/O0 – I/O3 4 ¥ I/O CONTROL 4 4 WE# OE# CS# CONTROL LOGIC 3623 drw 01 The IDT logo is a registered trademark of Integrated Device Technology, Inc. COMMERCIAL TEMPERATURE RANGE ©1996 Integrated Device Technology, Inc. JULY 1996 3623/- 10.3 1 IDT71V428 3.3V CMOS STATIC RAM 4 MEG (1M x 4-BIT) COMMERCIAL TEMPERATURE RANGE PIN CONFIGURATION PIN DESCRIPTION A0 – A19 A18 A3 A2 A1 A0 CE I/O 0 V DD VSS I/O 1 WE A17 A16 A15 A14 A19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 SO32-3 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 A4 A5 A6 A7 A8 CS WE OE Address Inputs Chip Select Write Enable Output Enable Data Input/Output 3.3V Power Ground Input Input Input Input I/O Power Gnd 3623 tbl 01 I/O0 - I/O3 VDD VSS OE I/O 3 VSS V DD I/O 2 A9 A10 A11 A12 A13 NC 3623 drw 02 SOJ TOP VIEW ORDERING INFORMATION IDT 71V428 Device Type S Power XX Speed XXX Package Y 400-mil SOJ (S032-3) 12 15 20 Speed in nanoseconds 3623 drw 03 10.3 2 .


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