IDT70914 Datasheet, PDF (1/11 Pages) Integrated Device Technology – HIGH SPEED 36K (4K X 9) SYNCHRONOUS DUAL-PORT RAM

HIGH SPEED 36K (4K X 9)
SYNCHRONOUS
DUAL-PORT RAM
IDT70914S
Features
x _{High-speed clock-to-data output times}
– Military: 20/25ns (max.)
– Commercial: 12/15/20ns (max.)
x _{Low-power operation}
– IDT70914S
Active: 850 mW (typ.)
Standby: 50 mW (typ.)
x _{Architecture based on Dual-Port RAM cells}
– Allows full simultaneous access from both ports
x _{Synchronous operation}
– 4ns setup to clock, 1ns hold on all control, data, and address
inputs
– Data input, address, and control registers
– Fast 12ns clock to data out
– Self-timed write allows fast cycle times
– 16ns cycle times, 60MHz operation
x _{TTL-compatible, single 5V (+ 10%) power supply}
x _{Clock Enable feature}
x _{Guaranteed data output hold times}
x _{Available in 68-pin PLCC, and 80-pin TQFP}
x _{Military product compliant to MIL-PRF-38535 QML}
x _{Industrial temperature range (-40°C to +85°C) is available}
for selected speeds.
x _{Recommended for replacement of IDT7099 (4K x 9) if}
separate 9th bit data control signals are not required.
Functional Block Diagram
I/O0-8L
WRITE
LOGIC
MMYAAERREMRRMOAAORYYRY
WRITE
LOGIC
SENSE
SENSE
AMPS _{DECODER DECODER} AMPS
I/O0-8R
OEL
CLKL
CLKENL
R/WL
REG
CEL
REG
en
REG
en
Self-
timed
Write
Logic
A0L-A11L A0R-A11R
Self-
timed
Write
Logic
OER
CLKR
CLKENR
REG
R/WR
CER
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©2000 Integrated Device Technology, Inc.
JANUARY 2001
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