IDT70914S
HIGH SPEED 36K (4K X 9)
SYNCHRONOUS
DUAL-PORT RAM
Features
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High-speed clock-to-data output times
– Military: 20/25ns (max.)
– Commercial: 12/15/20ns (max.)
Low-power operation
– IDT70914S
Active: 850 mW (typ.)
Standby: 50 mW (typ.)
Architecture based on Dual-Port RAM cells
– Allows full simultaneous access from both ports
Synchronous operation
– 4ns setup to clock, 1ns hold on all control, data, and address
inputs
– Data input, address, and control registers
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– Fast 12ns clock to data out
– Self-timed write allows fast cycle times
– 16ns cycle times, 60MHz operation
TTL-compatible, single 5V (+ 10%) power supply
Clock Enable feature
Guaranteed data output hold times
Available in 68-pin PLCC, and 80-pin TQFP
Military product compliant to MIL-PRF-38535 QML
Industrial temperature range (-40°C to +85°C) is available
for selected speeds.
Recommended for replacement of IDT7099 (4K x 9) if
separate 9th bit data control signals are not required.
Functional Block Diagram
WRITE
LOGIC
WRITE
LOGIC
MEMOR
MEMORY
Y
ARRAY
ARRAY
REGISTER
REGISTER
I/O0-8L
I/O0-8R
SENSE
SENSE
AMPS DECODER DECODER AMPS
OEL
CLKL
CLKENL
R/WL
REG
en
REG
en
REG
CEL
OER
CLKR
CLKENR
Selftimed
Write
Logic
Selftimed
Write
Logic
A0L-A11L
A0R-A11R
REG
R/WR
CER
3490 drw 01
MARCH 2001
1
©2001 Integrated Device Technology, Inc.
DSC-3490/6
