IDT71342SA_12 Datasheet, PDF (1/14 Pages) Integrated Device Technology – HIGH SPEED 4K X 8 DUAL-PORT STATIC RAM

Features
◆ _{High-speed access}
– Commercial: 20/25/35/45/55/70ns (max.)
– Industrial: 25ns (max.)
◆ _{Low-power operation}
– IDT71342SA
Active: 700mW (typ.)
Standby: 5mW (typ.)
– IDT71342LA
Active: 700mW (typ.)
Standby: 1mW (typ.)
HIGH SPEED
4K X 8 DUAL-PORT
STATIC RAM
WITH SEMAPHORE
IDT71342SA/LA
◆ _{Fully asynchronous operation from either port}
◆ _{Full on-chip hardware support of semaphore signalling be-}
tween ports
◆ _{Battery backup operation—2V data retention (LA only)}
◆ _{TTL-compatible; single 5V (±10%) power supply}
◆ _{Available in plastic packages}
◆ _{Industrial temperature range (–40°C to +85°C) is available}
for selected speeds
Functional Block Diagram
R/WL
CEL
OEL
I/O0L- I/O7L
I/O
CONTROL
I/O
CONTROL
R/WR
CER
OER
I/O0R - I/O7R
SEML
A0L- A11L
MEMORY
ARRAY
SEMAPHORE
LOGIC
ADDRESS
DECODER
ADDRESS
DECODER
SEMR
A0R- A11R
2721 drw 01
©2012 Integrated Device Technology, Inc.
SEPTEMBER 2012
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