71256SA15TPG IDT, 71256SA15TPG Datasheet

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71256SA15TPG

Manufacturer Part Number
71256SA15TPG
Description
SRAM 32Kx8 ASYNCHRONOUS 5.0V STATIC RAM
Manufacturer
IDT
Series
IDT71256SAr
Type
Asyncronous Static RAMr
Datasheet

Specifications of 71256SA15TPG

Rohs
yes
Memory Size
256 kbit
Organization
32 K x 8
Access Time
15 ns
Supply Voltage - Max
5.5 V
Supply Voltage - Min
4.5 V
Maximum Operating Current
150 mA
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Mounting Style
Through Hole
Package / Case
PDIP-28
Memory Type
CMOS
Part # Aliases
IDT71256SA15TPG
Features
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Functional Block Diagram
©2011 Integrated Device Technology, Inc.
32K x 8 advanced high-speed CMOS static RAM
Commercial (0° to 70°C) and Industrial (-40° to 85°C)
temperature options
Equal access and cycle times
– Commercial and Industrial: 12/15/20/25ns
One Chip Select plus one Output Enable pin
Bidirectional data inputs and outputs directly
Low power consumption via chip deselect
Commercial product available in 28-pin 300-mil Plastic DIP,
300 mil Plastic SOJ and TSOP packages
Industrial product available in 28-pin 300 mil Plastic SOJ
and TSOP packages
TTL-compatible
I/O
A
A
A
A
A
0 -
A
A
A
A
A
A
A
A
A
A
10
11
12
13
14
0
1
2
3
4
5
6
7
8
9
I/O
WE
OE
CS
7
8
DECODER
ADDRESS
CONTROL
LOGIC
CMOS Static RAM
256K (32K x 8-Bit)
8
1
Description
as 32K x 8. It is fabricated using IDT’s high-perfomance, high-reliability
CMOS technology. This state-of-the-art technology, combined with
innovative circuit design techniques, provides a cost-effective solution for
high-speed memory needs.
6ns, with address access times as fast as 12ns. All bidirectional inputs and
outputs of the IDT71256SA are TTL-compatible and operation is from a
single 5V supply. Fully static asynchronous circuitry is used, requiring no
clocks or refresh for operation.
300 mil Plastic SOJ and TSOP.
The IDT71256SA is a 262,144-bit high-speed Static RAM organized
The IDT71256SA has an output enable pin which operates as fast as
The IDT71256SA is packaged in 28-pin 300-mil Plastic DIP, 28-pin
I/O CONTROL
262,144-BIT
MEMORY
ARRAY
2948 drw 01
IDT71256SA
,
APRIL 2011
DSC-2948/10

Related parts for 71256SA15TPG

71256SA15TPG Summary of contents

Page 1

... CMOS technology. This state-of-the-art technology, combined with innovative circuit design techniques, provides a cost-effective solution for high-speed memory needs. The IDT71256SA has an output enable pin which operates as fast as 6ns, with address access times as fast as 12ns. All bidirectional inputs and outputs of the IDT71256SA are TTL-compatible and operation is from a single 5V supply ...

Page 2

... CC 0V 4.5V ± 5.5V GND 0V 4.5V ± 5. 2948 tbl NOTE (min.) = –1.5V for pulse width less than 10ns, once per cycle Commercial and Industrial Temperature Ranges Rating Value Supply Voltage -0.5 to +7.0 Relative to GND Terminal Voltage -0 Relative to GND Temperature Under Bias ...

Page 3

... See Figures 1 and 2 NOTE: 1. This parameter is guaranteed by device characterization, but not production 2948 tbl 07 tested. 480Ω DATA 255Ω , 2948 drw 03 *Including jig and scope capacitance. 6.42 3 Commercial and Industrial Temperature Ranges IDT71256SA Min. ___ ___ CC ___ 2.4 71256SA15 71256SA20 71256SA25 150 145 145 40 ...

Page 4

... Write Cycle t Write Cycle Time WC t Address Valid to End-of-Write AW t Chip Select to End-of-Write CW t Address Set-up Time AS t Write Pulse Width WP t Write Recovery Time WR t Data Valid to End-of-Write DW t Data Hold Time DH (1) Output Active from End-of-Write t ...

Page 5

... IDT71256SA CMOS Static RAM 256K (32K x 8-Bit) Timing Waveform of Read Cycle No. 1 ADDRESS OE CS DATA OUT SUPPLY CC CURRENT I SB Timing Waveform of Read Cycle No. 2 ADDRESS DATA PREVIOUS DATA OUT NOTES HIGH for Read Cycle. 2. Device is continuously selected LOW. ...

Page 6

... IDT71256SA CMOS Static RAM 256K (32K x 8-Bit) Timing Waveform of Write Cycle No. 1 (WE Controlled Timing) ADDRESS DATA (3) OUT DATA IN Timing Waveform of Write Cycle No. 2 (CS Controlled Timing) ADDRESS DATA IN NOTES write occurs during the overlap of a LOW CS and a LOW WE. ...

Page 7

... IDT71256SA CMOS Static RAM 256K (32K x 8-Bit) Ordering Information 71256 SA XX XXX Device Power Speed Package Type Commercial and Industrial Temperature Ranges Process/ Temperature Range Blank 8 Blank 6.42 7 Tube or Tray Tape and Reel Commercial (0°C to +70°C) Industrial (-40° ...

Page 8

... Pg CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 The IDT logo is a registered trademark of Integrated Device Technology, Inc. Updated to new format Revised Industrial Temperature range offerings Removed Note No. 1 for Write Cycle diagrams, renumbered footnotes and notes ...

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