2K x 8 DUAL PORT STATIC RAM
HIGH SPEED 2K x 8 DUAL PORT STATIC RAM
7132SA/LA 7142SA/LA
Features
◆ High-speed access – Commercial: 20/35/55/100ns (...
Description
HIGH SPEED 2K x 8 DUAL PORT STATIC RAM
7132SA/LA 7142SA/LA
Features
◆ High-speed access – Commercial: 20/35/55/100ns (max.) – Industrial: 25/55ns (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.)
Functional Block Diagram
OEL
CEL R/WL
◆ 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
OER
CER R/WR
I/OOL-I/O7L
BUSYL(1,2) A10L A0L
I/O Control
I/O Control
Address Decoder
11
CEL OEL R/WL
MEMORY ARRAY
ARBITRATION LOGIC
Address Decoder
11
CER OER R/WR
I/OOR-I/O7R
m
BUSYR(1,2) A10R A0R
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.
2692 drw 01
1 May.27.21
7132SA/LA and 7142SA/LA High Speed 2K x 8 Dual Port Static RAM
Military, Industrial and Commercial Temperature Ranges
Description
The IDT7132/IDT7142 are high-speed 2K x 8 Dual-Port S...
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