IDT71321LA IDT [Integrated Device Technology], IDT71321LA Datasheet
IDT71321LA
Manufacturer Part Number
IDT71321LA
Description
HIGH-SPEED 2K x 8 DUAL-PORT STATIC RAM WITH INTERRUPTS
Manufacturer
IDT [Integrated Device Technology]
Datasheet
1.IDT71321LA.pdf
(16 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IDT71321LA-55JI
Manufacturer:
IDT
Quantity:
87
Features
NOTES:
1. IDT7132 (MASTER): BUSY is open drain output and requires pullup resistor of 270 .
2. Open drain output: requires pullup resistor of 270 .
Functional Block Diagram
©2004 Integrated Device Technology, Inc.
I/O
High-speed access
– Commercial: 20/25/35/55/100ns (max.)
– Industrial: 25ns (max.)
– Military: 25/35/55/100ns (max.)
Low-power operation
– IDT7132/42SA
– IDT7132/42LA
IDT7142 (SLAVE): BUSY is input.
BUSY
OL-
Active: 325mW (typ.)
Standby: 5mW (typ.)
Active: 325mW (typ.)
Standby: 1mW (typ.)
R/W
I/O
A
OE
CE
A
10L
7L
L
0L
L
L
L
(1,2)
Decoder
Address
R/W
OE
CE
L
L
L
11
HIGH SPEED
2K x 8 DUAL PORT
STATIC RAM
Control
I/O
ARBITRATION
MEMORY
ARRAY
LOGIC
1
MASTER IDT7132 easily expands data bus width to 16-or-more
bits using SLAVE IDT7142
On-chip port arbitration logic (IDT7132 only)
BUSY output flag on IDT7132; BUSY input on IDT7142
Battery backup operation —2V data retention (LA only)
TTL-compatible, single 5V ±10% power supply
Available in 48-pin DIP, LCC and Flatpack, and 52-pin PLCC
packages
Military product compliant to MIL-PRF-38535 QML
Industrial temperature range (–40°C to +85°C) is available for
selected speeds
Control
I/O
11
Decoder
Address
CE
OE
R/W
R
R
R
2692 drw 01
IDT7132SA/LA
IDT7142SA/LA
JUNE 2004
OE
CE
R/W
I/O
BUSY
A
A
10R
0R
OR-
R
R
R
DSC-2692/16
I/O
R
(1,2)
7R
m
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