HIGH-SPEED 3.3V 64/32K x 8
SYNCHRONOUS
DUAL-PORT STATIC RAM
Features:
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True Dual-Ported memory cells which allow simultaneous
access of the same memory location
High-speed clock to data access
– Commercial: 6.5/7.5/9/12/15ns (max.)
– Industrial: 9ns (max.)
Low-power operation
– IDT70V9089/79S
Active: 429mW (typ.)
Standby: 3.3mW (typ.)
– IDT70V9089/79L
Active: 429mW (typ.)
Standby: 660mW (typ.)
Flow-Through or Pipelined output mode on either port via
the FT/PIPE pin
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IDT70V9089/79S/L
Counter enable and reset features
Dual chip enables allow for depth expansion without
additional logic
Full synchronous operation on both ports
– 4ns setup to clock and 1ns hold on all control, data, and
address inputs
– Data input, address, and control registers
– Fast 6.5ns clock to data out in the Pipelined output mode
– Self-timed write allows fast cycle time
– 10ns cycle time, 100MHz operation in the Pipelined output mode
LVTTL- compatible, single 3.3V (±0.3V) power supply
Industrial temperature range (–40°C to +85°C) is
available for selected speeds
Available in a 100 pin Thin Quad Flatpack (TQFP) package
Functional Block Diagram
R/WL
OEL
R/WR
OER
CE0L
CE1L
FT/PIPEL
1
0
0/1
0/1
1
CE0R
CE1R
1
0
0/1
0
0
1
0/1
FT/PIPER
,
I/O0L - I/O7L
I/O0R - I/O7R
I/O
Control
I/O
Control
A15R(1)
A15L(1)
A0L
CLKL
ADSL
CNTENL
CNTRSTL
Counter/
Address
Reg.
MEMORY
ARRAY
Counter/
Address
Reg.
A0R
CLKR
ADSR
CNTENR
CNTRSTR
3750 drw 01
NOTE:
1. A15 X is a NC for ID70V9079.
MAY 2004
1
©2004 Integrated Device Technology, Inc.
DSC 3750/8
