IDT7005S/L
HIGH-SPEED
8K x 8 DUAL-PORT
STATIC RAM
Features
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True Dual-Ported memory cells which allow simultaneous
reads of the same memory location
High-speed access
– Military: 20/25/35/55/70ns (max.)
– Industrial: 35/55ns (max.)
– Commercial:15/17/20/25/35/55ns (max.)
Low-power operation
– IDT7005S
Active: 750mW (typ.)
Standby: 5mW (typ.)
– IDT7005L
Active: 700mW (typ.)
Standby: 1mW (typ.)
IDT7005 easily expands data bus width to 16 bits or more
using the Master/Slave select when cascading more than
one device
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M/S = H for BUSY output flag on Master,
M/S = L for BUSY input on Slave
Interrupt Flag
On-chip port arbitration logic
Full on-chip hardware support of semaphore signaling
between ports
Fully asynchronous operation from either port
Devices are capable of withstanding greater than 2001V
electrostatic discharge
Battery backup operation—2V data retention
TTL-compatible, single 5V (±10%) power supply
Available in 68-pin PGA, quad flatpack, PLCC, and a 64-pin
thin quad flatpack
Industrial temperature range (-40°C to +85°C) is available
for selected speeds
Green parts available, see ordering information
Functional Block Diagram
OEL
OER
CEL
R/WL
CER
R/WR
I/O0L- I/O7L
I/O0R-I/O7R
I/O
Control
I/O
Control
(1,2)
(1,2)
BUSYL
A12L
A0L
BUSYR
Address
Decoder
MEMORY
ARRAY
13
CEL
OEL
R/WL
SEML
(2)
INTL
Address
Decoder
A12R
A0R
13
ARBITRATION
INTERRUPT
SEMAPHORE
LOGIC
M/S
CER
OER
R/WR
SEMR
INTR(2)
2738 drw 01
NOTES:
1. (MASTER): BUSY is output; (SLAVE): BUSY is input.
2. BUSY outputs and INT outputs are non-tri-stated push-pull.
JANUARY 2006
1
©2006 Integrated Device Technology, Inc.
DSC 2738/15
