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IDT7142SA55JB Datasheet(PDF) 1 Page - Integrated Device Technology

Part # IDT7142SA55JB
Description  HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS
Download  16 Pages
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT7142SA55JB Datasheet(HTML) 1 Page - Integrated Device Technology

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©2004 Integrated Device Technology, Inc.
JUNE 2004
DSC-2692/16
HIGH SPEED
2K x 8 DUAL PORT
STATIC RAM
IDT7132SA/LA
IDT7142SA/LA
Functional Block Diagram
Features
High-speed access
– Commercial:20/25/35/55/100ns(max.)
– Industrial: 25ns (max.)
– Military:25/35/55/100ns(max.)
Low-power operation
– IDT7132/42SA
Active: 325mW (typ.)
Standby: 5mW (typ.)
– IDT7132/42LA
Active: 325mW (typ.)
Standby: 1mW (typ.)
NOTES:
1. IDT7132 (MASTER): BUSY is open drain output and requires pullup resistor of 270
Ω.
IDT7142 (SLAVE): BUSY is input.
2. Open drain output: requires pullup resistor of 270
Ω.
MASTERIDT7132easilyexpandsdatabuswidthto16-or-more
bits using SLAVE IDT7142
On-chip port arbitration logic (IDT7132 only)
BUSY
output flag on IDT7132; BUSY input on IDT7142
Battery backup operation —2V data retention (LA only)
TTL-compatible, single 5V ±10% power supply
Available in 48-pin DIP, LCC and Flatpack, and 52-pin PLCC
packages
Military product compliant to MIL-PRF-38535 QML
Industrial temperature range (–40°C to +85°C) is available for
selected speeds
OEL
CEL
R/WL
I/OOL-I/O7L
BUSYL(1,2)
A10L
A0L
CEL
OEL
R/
WL
CER
OER
R/
WR
OER
CER
R/
WR
I/OOR-I/O7R
BUSYR(1,2)
A10R
A0R
I/O
Control
I/O
Control
Address
Decoder
Address
Decoder
MEMORY
ARRAY
ARBITRATION
LOGIC
2692 drw 01
m
11
11


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