W24L257AJ-12 Winbond, W24L257AJ-12 Datasheet

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W24L257AJ-12

Manufacturer Part Number
W24L257AJ-12
Description
32K*8 high speed, low power CMOS static RAM
Manufacturer
Winbond
Datasheet

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Part Number:
W24L257AJ-12
Manufacturer:
SAMSUNG
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Part Number:
W24L257AJ-12
Manufacturer:
WINBOND/华邦
Quantity:
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GENERAL DESCRIPTION
The W24L257A is a high-speed, low-power CMOS static RAM organized as 32768
operates on a single 3.3-volt power supply. This device is manufactured using Winbond's high
performance CMOS technology.
FEATURES
PIN CONFIGURATION
High-speed access time: 12/15/20 nS (max.)
Low-power consumption:
Single 3.3V power supply
Fully static operation
Active: 200 mW (typ.)
V
A14
A12
WE
A11
A13
OE
A7
A6
A5
A4
A3
A9
A8
DD
A12
I/O2
I/O3
A14
I/O1
V
A7
A6
A5
A4
A0
A3
A2
SS
A1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28-DIP
32K
28-pin
TSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
28
27
26
25
24
23
22
21
20
19
18
17
16
15
8 HIGH-SPEED CMOS STATIC RAM
V
A13
OE
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
WE
A8
A9
A11
DD
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
V
I/O3
I/O2
I/O1
A0
A1
A2
SS
- 1 -
BLOCK DIAGRAM
PIN DESCRIPTION
All inputs and outputs directly TTL compatible
Three-state outputs
Available packages: 28-pin 300 mil SOJ,
skinny DIP and standard type one TSOP
(8 mm
I/O1 I/O8
SYMBOL
A0 A14
V
V
WE
OE
CS
DD
SS
A14
CS
V
V
A0
OE
WE
.
.
DD
SS
Publication Release Date: December 1996
13.4 mm)
DECODER
CONTROL
Address Inputs
Data Inputs/Outputs
Chip Select Input
Write Enable Input
Output Enable Input
Power Supply
Ground
DESCRIPTION
DATA I/O
CORE
ARRAY
ARRAY
W24L257A
I/O1
I/O8
.
.
Revision A5
8 bits that

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W24L257AJ-12 Summary of contents

Page 1

... GENERAL DESCRIPTION The W24L257A is a high-speed, low-power CMOS static RAM organized as 32768 operates on a single 3.3-volt power supply. This device is manufactured using Winbond's high performance CMOS technology. FEATURES High-speed access time: 12/15/20 nS (max.) Low-power consumption: Active: 200 mW (typ.) Single 3.3V power supply ...

Page 2

TRUTH TABLE Not Selected Output Disable Read Write DC CHARACTERISTICS Absolute Maximum Ratings PARAMETER Supply Voltage to V Potential SS Input/Output to V Potential SS ...

Page 3

CAPACITANCE (V = 3.3V MHz) DD PARAMETER Input Capacitance Input/Output Capacitance Note: These parameters are sampled but not 100% tested. AC CHARACTERISTICS AC Test Conditions PARAMETER Input Pulse Levels Input Rise and Fall ...

Page 4

AC Characteristics, continued (V = 3. (1) Read Cycle PARAMETER Read Cycle Time Address Access Time Chip Select Access Time Output Enable to Output Valid Chip Selection to ...

Page 5

TIMING WAVEFORMS Read Cycle 1 (Address Controlled) Address D OUT Read Cycle 2 (Chip Select Controlled OUT Read Cycle 3 (Output Enable Controlled) Address OUT ACS T CLZ ...

Page 6

Timing Waveforms, continued Write Cycle 1 (OE Clock) Address OUT D IN Write Cycle 2 ( Fixed) IL Address OUT D IN Notes: 1. During this period, I/O pins are in ...

Page 7

... ORDERING INFORMATION PART NO. ACCESS TIME (nS) W24L257AK-12 12 W24L257AK-15 15 W24L257AK-20 20 W24L257AJ-12 12 W24L257AJ-15 15 W24L257AJ-20 20 W24L257AQ-12 12 W24L257AQ-15 15 W24L257AQ-20 20 Notes: 1. Winbond reserves the right to make changes to its products without prior notice. 2. Purchasers are responsible for performing appropriate quality assurance testing on products intended for use in applications where personal injury might occur as a consequence of product failure. ...

Page 8

PACKAGE DIMENSIONS 28-pin P-DIP Skinny 28-pin Small Outline J Band Seating Plane Base ...

Page 9

... L 1 0.010 0.25 Y 0.000 0.004 0.00 0. Controlling dimension: Millimeters Winbond Electronics North America Corp. Winbond Memory Lab. Winbond Microelectronics Corp. Winbond Systems Lab. 2730 Orchard Parkway, San Jose, CA 95134, U.S.A. TEL: 1-408-9436666 FAX: 1-408-9436668 Publication Release Date: December 1996 Revision A5 ...

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