IDT71256S35DB Integrated Device Technology, Inc., IDT71256S35DB Datasheet

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IDT71256S35DB

Manufacturer Part Number
IDT71256S35DB
Description
Manufacturer
Integrated Device Technology, Inc.
Datasheet

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IDT71256S35DB
Manufacturer:
INTERSIL
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Part Number:
IDT71256S35DB
Manufacturer:
IDT
Quantity:
558
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Features
Functional Block Diagram
©2006 Integrated Device Technology, Inc.
I/O
I/O
A
A
14
High-speed address/chip select time
– Military: 25/35/45/55/70/85/100ns (max.)
– Industrial: 25/35ns (max.)
– Commercial: 20/25/35ns (max.) low power only
Low-power operation
Battery Backup operation – 2V data retention
Produced with advanced high-performance CMOS
technology
Input and output directly TTL-compatible
Available in standard 28-pin (300 or 600 mil) ceramic DIP,
28-pin (600 mil) plastic DIP, 28-pin (300 mil) SOJ and
32-pin LCC
Military product compliant to MIL-STD-883, Class B
0
7
0
WE
CS
OE
CONTROL
CIRCUIT
DECODER
ADDRESS
CIRCUIT
INPUT
DATA
CMOS Static RAM
256K (32K x 8-Bit)
1
Description
32K x 8. It is fabricated using IDT's high-performance, high-reliability
CMOS technology.
consumption of only 350mW (typ.). The circuit also offers a reduced power
standby mode. When CS goes HIGH, the circuit will automatically go to and
remain in, a low-power standby mode as long as CS remains HIGH. In
the full standby mode, the low-power device consumes less than 15µW,
typically. This capability provides significant system level power and
cooling savings. The low-power (L) version also offers a battery backup
data retention capability where the circuit typically consumes only 5µW
when operating off a 2V battery.
a 28-pin 300 mil SOJ, a 28-pin (600 mil) plastic DIP, and a 32-pin LCC
providing high board level packing densities.
latest revision of MIL-STD-883, Class B, making it ideally suited to military
temperature applications demanding the highest level of performance and
reliability.
The IDT 71256 is a 262,144-bit high-speed static RAM organized as
Address access times as fast as 20ns are available with power
The IDT71256 is packaged in a 28-pin (300 or 600 mil) ceramic DIP,
The IDT71256 military RAM is manufactured in compliance with the
MEMORY ARRAY
I/O CONTROL
262,144 BIT
NOVEMBER 2006
IDT71256S
IDT71256L
V
GND
CC
DSC-2946/10
2946 drw 01
,

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IDT71256S35DB Summary of contents

Page 1

... I CONTROL OE CIRCUIT WE ©2006 Integrated Device Technology, Inc. CMOS Static RAM 256K (32K x 8-Bit) Description The IDT 71256 is a 262,144-bit high-speed static RAM organized as 32K fabricated using IDT's high-performance, high-reliability CMOS technology. Address access times as fast as 20ns are available with power consumption of only 350mW (typ ...

Page 2

IDT71256S/L CMOS Static RAM 256K (32K x 8-Bit) Pin Configurations D28 P28 D28 SO28 ...

Page 3

IDT71256S/L CMOS Static RAM 256K (32K x 8-Bit) Recommended Operating Temperature and Supply Voltage Grade Temperature O O Military - +125 Industrial - + Commercial +70 C ...

Page 4

IDT71256S/L CMOS Static RAM 256K (32K x 8-Bit) AC Test Conditions Input Pulse Levels Input Rise/Fall Times Input Timing Reference Levels Output Reference Levels AC Test Load 5V DATA OUT 255Ω Figure 1. AC Test Load DC Electrical Characteristics Symbol ...

Page 5

IDT71256S/L CMOS Static RAM 256K (32K x 8-Bit) Low V Data Retention Waveform CDR CS AC Electrical Characteristics Symbol Parameter Read Cycle t Read Cycle Time RC t Address Access Time AA t Chip Select Access ...

Page 6

IDT71256S/L CMOS Static RAM 256K (32K x 8-Bit) AC Electrical Characteristics Symbol Parameter Read Cycle t Read Cycle Time RC t Address Access Time AA t Chip Select Access Time ACS (2) Chip Select to Output in Low-Z t CLZ ...

Page 7

IDT71256S/L CMOS Static RAM 256K (32K x 8-Bit) Timing Waveform of Read Cycle No. 1 ADDRESS OE CS DATA OUT Timing Waveform of Read Cycle No. 2 ADDRESS DATA OUT Timing Waveform of Read Cycle No DATA OUT ...

Page 8

IDT71256S/L CMOS Static RAM 256K (32K x 8-Bit) Timing Waveform of Write Cycle No. 1 (WE Controlled Timing) ADDRESS DATA OUT DATA IN Timing Waveform of Write Cycle No. 2 (CS Controlled Timing) ADDRESS CS ...

Page 9

IDT71256S/L CMOS Static RAM 256K (32K x 8-Bit) Ordering Information — Commercial & Industrial Ordering Information — Military IDT 71256 X XXX Device Power Speed Type Military, Commercial, and Industrial Temperature Ranges XXX X Package Process/ Temperature Range B TD ...

Page 10

... Changed power limits for commercial and industrial. Refer to PCN SR-0602-03. Added Restricted hazardous substance devce to ordering information. CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 The IDT logo is a registered trademark of Integrated Device Technology, Inc. Military, Commercial, and Industrial Temperature Ranges for SALES: for Tech Support: 800-345-7015 or ipchelp@idt ...

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