IDT7052S/L
HIGH-SPEED
2K x 8 FourPortTM
STATIC RAM
Features
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Battery backup operation—2V data retention
TTL-compatible; single 5V (±10%) power supply
High-speed access
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– Commercial:20/25/35ns (max.)
– Industrial:25ns (max.)
Available in 120 pin and 132 pin Thin Quad Flatpacks and
108 pin PGA
Military product compliant to MIL-PRF-38535 QML
Industrial temperature range (–40°C to +85°C) is available
for selected speeds
– Military:25/35ns(max.)
Low-power operation
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◆
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– IDT7052S
Active:750mW(typ.)
Standby: 7.5mW (typ.)
– IDT7052L
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Green parts available, see ordering information
Active:750mW(typ.)
Standby: 1.5mW (typ.)
True FourPort memory cells which allow simultaneous
access of the same memory locations
Fully asynchronous operation from each of the four ports:
Description
TheIDT7052isahigh-speed2Kx8FourPort™StaticRAMdesigned
to be used in systems where multiple access into a common RAM is
required.ThisFourPortStaticRAMoffersincreasedsystemperformance
inmultiprocessorsystemsthathaveaneedtocommunicateinrealtimeand
alsooffersaddedbenefitforhigh-speedsystemsinwhichmultipleaccess
is requiredinthe same cycle.
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P1, P2, P3, P4
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Versatile control for write-inhibit: separate BUSY input to
control write-inhibit for each of the four ports
FunctionalBlockDiagram
R/WP1
CEP1
R/WP4
CEP4
OEP1
OEP4
COLUMN
I/O
COLUMN
I/O0P1-I/O7P1
BUSYP1
I/O0P4-I/O7P4
I/O
BUSYP4
PORT 1
PORT 4
ADDRESS
DECODE
LOGIC
ADDRESS
A0P1 - A10P1
A0P4 - A10P4
DECODE
LOGIC
MEMORY
ARRAY
PORT 2
ADDRESS
DECODE
LOGIC
PORT 3
ADDRESS
DECODE
LOGIC
A0P2 - A10P2
A0P3 - A10P3
BUSYP2
BUSYP3
COLUMN
I/O
COLUMN
I/O
I/O0P2-I/O7P2
I/O0P3-I/O7P3
OEP2
OEP3
CEP2
R/WP2
CEP3
R/WP3
2674 drw 01
JULY 2006
1
DSC 2674/12
©2006IntegratedDeviceTechnology,Inc.