IDT7132SA/LA
IDT7142SA/LA
HIGH SPEED
2K x 8 DUAL PORT
STATIC RAM
Features
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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.)
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MASTER IDT7132 easily expands data bus width to 16-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
Green parts available, see ordering information
Functional Block Diagram
OEL
OER
CEL
R/WL
CER
R/WR
I/OOL-I/O7L
I/O
Control
I/OOR-I/O7R
I/O
Control
m
BUSYL(1,2)
A10L
A0L
BUSYR(1,2)
Address
Decoder
MEMORY
ARRAY
11
CEL
OEL
R/WL
A10R
Address
Decoder
A0R
11
ARBITRATION
LOGIC
CER
OER
R/WR
2692 drw 01
NOTES:
1. IDT7132 (MASTER): BUSY is open drain output and requires pullup resistor of 270Ω.
IDT7142 (SLAVE): BUSY is input.
2. Open drain output: requires pullup resistor of 270Ω.
JANUARY 2006
1
©2006 Integrated Device Technology, Inc.
DSC-2692/17
