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IDT7143LA55PFB

Description
2K X 16 DUAL-PORT SRAM, 25 ns, PQCC68
Categorystorage   
File Size141KB,16 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
Download Datasheet Parametric View All

IDT7143LA55PFB Overview

2K X 16 DUAL-PORT SRAM, 25 ns, PQCC68

IDT7143LA55PFB Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals68
Maximum operating temperature70 Cel
Minimum operating temperature0.0 Cel
Maximum supply/operating voltage5.5 V
Minimum supply/operating voltage4.5 V
Rated supply voltage5 V
maximum access time25 ns
Processing package descriptionPlastic, LCC-68
stateACTIVE
CraftsmanshipCMOS
packaging shapeSQUARE
Package SizeChipCARRIER
surface mountYes
Terminal formJ BEND
Terminal spacing1.27 mm
terminal coatingtin lead
Terminal locationFour
Packaging MaterialsPlastic/Epoxy
Temperature levelCOMMERCIAL
memory width16
organize2K × 16
storage density32768 deg
operating modeASYNCHRONOUS
Number of digits2048 words
Number of digits2K
Memory IC typedual-port static random access memory
serial parallelparallel
HIGH SPEED
2K X 16 DUAL-PORT
SRAM
Features
x
x
x
x
x
x
IDT7133SA/LA
IDT7143SA/LA
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.)
Low-power operation
– IDT7133/43SA
Active: 1150mW (typ.)
Standby: 5mW (typ.)
– IDT7133/43LA
Active: 1050mW (typ.)
Standby: 1mW (typ.)
Versatile control for write: separate write control for lower
and upper byte of each port
MASTER IDT7133 easily expands data bus width to 32 bits
or more using SLAVE IDT7143
On-chip port arbitration logic (IDT7133 only)
x
x
BUSY
output flag on IDT7133;
BUSY
input on IDT7143
Fully asynchronous operation from either port
Battery backup operation–2V data retention
TTL-compatible; single 5V (±10%) power supply
Available in 68-pin ceramic PGA, Flatpack, PLCC and 100-
pin TQFP
Military product compliant to MIL-PRF-38535 QML
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
Functional Block Diagram
R/W
LUB
CE
L
R/W
RUB
CE
R
R/W
LLB
OE
L
R/W
RLB
OE
R
I/O
8L
- I/O
15L
I/O
0L
- I/O
7L
BUSY
L
(1)
A
10L
A
0L
ADDRESS
DECODER
11
I/O
CONTROL
I/O
CONTROL
I/O
8R
- I/O
15R
I/O
0R
- I/O
7R
BUSY
R
(1)
MEMORY
ARRAY
ADDRESS
DECODER
11
A
10R
A
0R
CE
L
ARBITRATION
LOGIC
(IDT7133 ONLY)
CE
R
2746 drw 01
NOTE:
1. IDT7133 (MASTER):
BUSY
is open drain output and requires pull-up resistor.
IDT7143 (SLAVE):
BUSY
is input.
JUNE 2000
1
©2000 Integrated Device Technology, Inc.
DSC 2746/11
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