
HIGH-SPEED 3.3V 32K x 9
SYNCHRONOUS PIPELINED
DUAL-PORT STATIC RAM
IDT70V9179L
True Dual-Ported memory cells which allow simultaneous
High-speed clock to data access
Low-power operation
Flow-Through or Pipelined output mode on either port via
Dual chip enables allow for depth expansion without
Features:
◆
access of the same memory location
◆
– Commercial: 7.5/9/12ns (max.)
– Industrial: 9ns (max.)
◆
– IDT70V9179L
Active: 500mW (typ.)
Standby: 1.5mW (typ.)
◆
the FT /PIPE pins
◆
additional logic
Functional Block Diagram
R/ W
OE L L
◆
◆
◆
◆
◆
◆
Counter enable and reset features
Full synchronous operation on both ports
– 4ns setup to clock and 0ns hold on all control, data, and
address inputs
– Data input, address, and control registers
– Fast 7.5ns clock to data out in the Pipelined output mode
– Self-timed write allows fast cycle time
– 12ns cycle time, 83MHz operation in 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)
Green parts available, see ordering information
R/ W R
OE R
CE 0L
CE 1L
1
0
0/1
1
0
0/1
CE 0R
CE 1R
FT /PIPE L
0/1
1
0
0
1
0/1
FT /PIPE R
,
I/O 0L - I/O 8L
A 14L
I/O
Control
I/O
Control
I/O 0R - I/O 8R
A 14R
A 0L
CLK L
ADS L
CNTEN L
CNTRST L
Counter/
Address
Reg.
MEMORY
ARRAY
Counter/
Address
Reg.
A 0R
CLK R
ADS R
CNTEN R
CNTRST R
4860 drw 01
JANUARY 2014
1
?2014 Integrated Device Technology, Inc.
DSC-4860/5