HIGH-SPEED 3.3V
64/32K x 8 SYNCHRONOUS
DUAL-PORT STATIC RAM
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
addressinputs
Features:
◆
◆
◆
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: 12ns (max.)
◆
–
–
Data input, address, and control registers
Fast 6.5ns clock to data out in the Pipelined output mode
◆
Low-power operation
– IDT70V9089/79S
– Self-timedwriteallowsfastcycletime
10nscycletime,100MHzoperationinthePipelinedoutputmode
Active:429mW(typ.)
Standby: 3.3mW (typ.)
– IDT70V9089/79L
Active:429mW(typ.)
Standby: 1.32mW (typ.)
Flow-Through or Pipelined output mode on either port via
the FT/PIPE pin
–
◆
◆
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
Green parts available, see ordering information
◆
◆
◆
FunctionalBlockDiagram
R/W
OE
L
L
R/W
OE
R
R
CE
CE10LL
CE0R
CE1R
1
1
0
0
0/1
0/1
1
0
1
0
0/1
0/1
FT/PIPE
L
FT/PIPE
R
,
I/O0L - I/O7L
I/O0R - I/O7R
I/O
I/O
Control
Control
(1)
(1)
A15R
A
15L
Counter/
Address
Reg.
Counter/
Address
Reg.
A
C0LRK
R
R
MEMORY
ARRAY
A
0L
CLK
ADS
L
L
L
ADS
CNTEN
R
CNTEN
CNTRST
R
CNTRST
L
3750 drw 01
NOTE:
1. A15X is a NC for IDT70V9079.
JULY 2014
1
DSC 3750/12
©2014 Integrated Device Technology, Inc.