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71321LA55PPGI

Description
Static Random Access Memory 2K x 8 Dual-Port RAM w/Int
Categorysemiconductor    Memory IC    Static random access memory   
File Size184KB,19 Pages
ManufacturerIDT (Integrated Device Technology, Inc.)
Websitehttp://www.idt.com/
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71321LA55PPGI Overview

Static Random Access Memory 2K x 8 Dual-Port RAM w/Int

71321LA55PPGI Parametric

Parameter NameAttribute value
MakerIDT (Integrated Device Technology, Inc.)
Product Categorystatic random access memory
storage16 kbit
organize2 k x 8
interview time55 ns
Supply voltage - max.5.5 V
Supply voltage - min.4.5 V
Supply current—max.140 mA
Minimum operating temperature- 40 C
Maximum operating temperature+ 85 C
Installation styleSMD/SMT
Package/boxTQFP-52
EncapsulationTray
data rate16 bit
storage typeSRAM
series71321LA55
typeHigh Speed Low Power Dual Port Static RAM
Factory packaging quantity160
HIGH SPEED
2K X 8 DUAL-PORT
STATIC RAM
WITH INTERRUPTS
Features
IDT71321SA/LA
IDT71421SA/LA
LEAD FINISH (SnPb) ARE IN EOL PROCESS - LAST TIME BUY EXPIRES JUNE 15, 2018
High-speed access
– Commercial: 20/25/35/55ns (max.)
– Industrial: 25/55ns (max.)
Low-power operation
– IDT71321/IDT71421SA
Active: 325mW (typ.)
Standby: 5mW (typ.)
– IDT71321/421LA
Active: 325mW (typ.)
Standby: 1mW (typ.)
Two
INT
flags for port-to-port communications
MASTER IDT71321 easily expands data bus width to 16-or-
more-bits using SLAVE IDT71421
On-chip port arbitration logic (IDT71321 only)
BUSY
output flag on IDT71321;
BUSY
input on IDT71421
Fully asynchronous operation from either port
Battery backup operation – 2V data retention (LA only)
TTL-compatible, single 5V ±10% power supply
Available in 52-Pin PLCC, 52-Pin STQFP, 64-Pin TQFP, and
64-Pin STQFP
Industrial temperature range (–40°C to +85°C) is available
for selected speeds
Green parts available, see ordering information
Functional Block Diagram
OE
L
CE
L
R/W
L
OE
R
CE
R
R/W
R
I/O
0L
- I/O
7L
I/O
Control
BUSY
L
A
10L
A
0L
(1,2)
I/O
Control
I/O
0R
-I/O
7R
BUSY
R
Address
Decoder
11
(1,2)
MEMORY
ARRAY
11
Address
Decoder
A
10R
A
0R
CE
L
OE
L
R/W
L
ARBITRATION
and
INTERRUPT
LOGIC
CE
R
OE
R
R/W
R
INT
L
(2)
INT
R
2691 drw 01
(2)
NOTES:
1. IDT71321 (MASTER):
BUSY
is open drain output and requires pullup resistor of 270Ω.
IDT71421 (SLAVE):
BUSY
is input.
2. Open drain output: requires pullup resistor of 270Ω.
FEBRUARY 2018
1
©2018 Integrated Device Technology, Inc.
DSC-2691/16

71321LA55PPGI Related Products

71321LA55PPGI 71321LA55PPGI8
Description Static Random Access Memory 2K x 8 Dual-Port RAM w/Int Static Random Access Memory 2K x 8 Dual-Port RAM w/Int
Maker IDT (Integrated Device Technology, Inc.) IDT (Integrated Device Technology, Inc.)
Product Category static random access memory static random access memory
storage 16 kbit 16 kbit
organize 2 k x 8 2 k x 8
interview time 55 ns 55 ns
Supply voltage - max. 5.5 V 5.5 V
Supply voltage - min. 4.5 V 4.5 V
Supply current—max. 140 mA 140 mA
Minimum operating temperature - 40 C - 40 C
Maximum operating temperature + 85 C + 85 C
Installation style SMD/SMT SMD/SMT
Package/box TQFP-52 TQFP-52
Encapsulation Tray Reel
data rate 16 bit 16 bit
storage type SRAM SRAM
series 71321LA55 71321LA55
type High Speed Low Power Dual Port Static RAM High Speed Low Power Dual Port Static RAM
Factory packaging quantity 160 500
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