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IDT7143LA25JB Datasheet(PDF) 1 Page - Integrated Device Technology

Part # IDT7143LA25JB
Description  HIGH-SPEED 2K x 16 CMOS DUAL-PORT STATIC RAMS
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT7143LA25JB Datasheet(HTML) 1 Page - Integrated Device Technology

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©2000 Integrated Device Technology, Inc.
JUNE 2000
DSC 2746/11
1
HIGH SPEED
2K X 16 DUAL-PORT
SRAM
IDT7133SA/LA
IDT7143SA/LA
Features
x
x
x
x
x High-speed access
Military: 25/35/45/55/70/90ns (max.)
Industrial: 25/35/55ns (max.)
Commercial: 20/25/35/45/55/70/90ns (max.)
x
x
x
x
x Low-power operation
IDT7133/43SA
Active: 1150mW (typ.)
Standby: 5mW (typ.)
IDT7133/43LA
Active: 1050mW (typ.)
Standby: 1mW (typ.)
x
x
x
x
x Versatile control for write: separate write control for lower
and upper byte of each port
x
x
x
x
x MASTER IDT7133 easily expands data bus width to 32 bits
or more using SLAVE IDT7143
x
x
x
x
x On-chip port arbitration logic (IDT7133 only)
Functional Block Diagram
NOTE:
1.
IDT7133 (MASTER):
BUSY is open drain output and requires pull-up resistor.
IDT7143 (SLAVE):
BUSY is input.
x
x
x
x
x
BUSY output flag on IDT7133; BUSY input on IDT7143
x
x
x
x
x Fully asynchronous operation from either port
x
x
x
x
x Battery backup operation–2V data retention
x
x
x
x
x TTL-compatible; single 5V (±10%) power supply
x
x
x
x
x Available in 68-pin ceramic PGA, Flatpack, PLCC and 100-
pin TQFP
x
x
x
x
x Military product compliant to MIL-PRF-38535 QML
x
x
x
x
x Industrial temperature range (–40°C to +85°C) is available
for selected speeds
Description
The IDT7133/7143 are high-speed 2K x 16 Dual-Port Static RAMs.
The IDT7133 is designed to be used as a stand-alone 16-bit Dual-Port
RAM or as a “MASTER” Dual-Port RAM together with the IDT7143
“SLAVE” Dual-Port in 32-bit-or-more word width systems. Using the
IDT MASTER/SLAVE Dual-Port RAM approach in 32-bit-or-wider
I/O
CONTROL
MEMORY
ARRAY
ARBITRATION
LOGIC
(IDT7133 ONLY)
R/
WLUB
CEL
R/
WLLB
OEL
I/O0L - I/O7L
BUSYL
A0L
CEL
R/
WRUB
CER
R/
WRLB
OER
I/O8R -I/O15R
I/O0R -I/O7R
BUSYR
(1)
A0R
CER
2746 drw 01
A10L
ADDRESS
DECODER
A10R
I/O
CONTROL
ADDRESS
DECODER
11
11
(1)
I/O8L -I/O15L


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