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W24L257ACQ-15

Description
Standard SRAM, 32KX8, 15ns, CMOS, PDSO28, 8 X 13.40 MM, TSOP1-28
Categorystorage    storage   
File Size174KB,10 Pages
ManufacturerWinbond Electronics Corporation
Websitehttp://www.winbond.com.tw
Download Datasheet Parametric Compare View All

W24L257ACQ-15 Overview

Standard SRAM, 32KX8, 15ns, CMOS, PDSO28, 8 X 13.40 MM, TSOP1-28

W24L257ACQ-15 Parametric

Parameter NameAttribute value
Parts packaging codeTSOP
package instructionTSOP1,
Contacts28
Reach Compliance Codeunknow
ECCN codeEAR99
Maximum access time15 ns
JESD-30 codeR-PDSO-G28
JESD-609 codee3
length11.8 mm
memory density262144 bi
Memory IC TypeSTANDARD SRAM
memory width8
Number of functions1
Number of terminals28
word count32768 words
character code32000
Operating modeASYNCHRONOUS
Maximum operating temperature70 °C
Minimum operating temperature
organize32KX8
Package body materialPLASTIC/EPOXY
encapsulated codeTSOP1
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE
Parallel/SerialPARALLEL
Certification statusNot Qualified
Maximum seat height1.2 mm
Maximum supply voltage (Vsup)3.465 V
Minimum supply voltage (Vsup)3.135 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelCOMMERCIAL
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch0.55 mm
Terminal locationDUAL
width8 mm
Base Number Matches1
W24L257AC
32K
×
8 HIGH SPEED CMOS STATIC RAM
GENERAL DESCRIPTION
The W24L257AC is a high speed, low power CMOS static RAM organized as 32768
×
8 bits that
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
Fully static operation
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
×
13.4 mm)
PIN CONFIGURATIONS
BLOCK DIAGRAM
V
DD
V
SS
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O1
I/O2
I/O3
V
SS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28-DIP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
DD
WE
A13
A8
A9
A11
OE
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
A0
.
.
A14
DECODER
CORE
ARRAY
ARRAY
CS
OE
WE
CONTROL
DATA I/O
I/O1
.
.
I/O8
PIN DESCRIPTION
SYMBOL
DESCRIPTION
Address Inputs
Data Inputs/Outputs
Chip Select Input
Write Enable Input
Output Enable Input
Power Supply
Ground
A0−A14
I/O1−I/O8
CS
WE
OE
V
DD
V
SS
OE
A11
A9
A8
A13
WE
V
DD
A14
A12
A7
A6
A5
A4
A3
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28-pin
TSOP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
V
SS
I/O3
I/O2
I/O1
A0
A1
A2
-1-
Publication Release Date: November 1998
Revision A1

W24L257ACQ-15 Related Products

W24L257ACQ-15 W24L257ACK-12 W24L257ACQ-12 W24L257ACJ-20 W24L257ACQ-20 W24L257ACJ-12 W24L257ACK-20 W24L257ACK-15 W24L257ACJ-15
Description Standard SRAM, 32KX8, 15ns, CMOS, PDSO28, 8 X 13.40 MM, TSOP1-28 Standard SRAM, 32KX8, 12ns, CMOS, PDIP28, 0.300 INCH, SKINNY, PLASTIC, DIP-28 Standard SRAM, 32KX8, 12ns, CMOS, PDSO28, 8 X 13.40 MM, TSOP1-28 Standard SRAM, 32KX8, 20ns, CMOS, PDSO28, 0.300 INCH, SOJ-28 Standard SRAM, 32KX8, 20ns, CMOS, PDSO28, 8 X 13.40 MM, TSOP1-28 Standard SRAM, 32KX8, 12ns, CMOS, PDSO28, 0.300 INCH, SOJ-28 Standard SRAM, 32KX8, 20ns, CMOS, PDIP28, 0.300 INCH, SKINNY, PLASTIC, DIP-28 Standard SRAM, 32KX8, 15ns, CMOS, PDIP28, 0.300 INCH, SKINNY, PLASTIC, DIP-28 Standard SRAM, 32KX8, 15ns, CMOS, PDSO28, 0.300 INCH, SOJ-28
Parts packaging code TSOP DIP TSOP SOJ TSOP SOJ DIP DIP SOJ
package instruction TSOP1, DIP, TSOP1, SOJ, TSOP1, SOJ, DIP, DIP, SOJ,
Contacts 28 28 28 28 28 28 28 28 28
Reach Compliance Code unknow unknow unknow unknow unknow unknow unknow unknow unknow
ECCN code EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99 EAR99
Maximum access time 15 ns 12 ns 12 ns 20 ns 20 ns 12 ns 20 ns 15 ns 15 ns
JESD-30 code R-PDSO-G28 R-PDIP-T28 R-PDSO-G28 R-PDSO-J28 R-PDSO-G28 R-PDSO-J28 R-PDIP-T28 R-PDIP-T28 R-PDSO-J28
length 11.8 mm 35.26 mm 11.8 mm 18.03 mm 11.8 mm 18.03 mm 35.26 mm 35.26 mm 18.03 mm
memory density 262144 bi 262144 bi 262144 bi 262144 bi 262144 bi 262144 bi 262144 bi 262144 bi 262144 bi
Memory IC Type STANDARD SRAM STANDARD SRAM STANDARD SRAM STANDARD SRAM STANDARD SRAM STANDARD SRAM STANDARD SRAM STANDARD SRAM STANDARD SRAM
memory width 8 8 8 8 8 8 8 8 8
Number of functions 1 1 1 1 1 1 1 1 1
Number of terminals 28 28 28 28 28 28 28 28 28
word count 32768 words 32768 words 32768 words 32768 words 32768 words 32768 words 32768 words 32768 words 32768 words
character code 32000 32000 32000 32000 32000 32000 32000 32000 32000
Operating mode ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS ASYNCHRONOUS
Maximum operating temperature 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C
organize 32KX8 32KX8 32KX8 32KX8 32KX8 32KX8 32KX8 32KX8 32KX8
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code TSOP1 DIP TSOP1 SOJ TSOP1 SOJ DIP DIP SOJ
Package shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE, THIN PROFILE IN-LINE SMALL OUTLINE, THIN PROFILE SMALL OUTLINE SMALL OUTLINE, THIN PROFILE SMALL OUTLINE IN-LINE IN-LINE SMALL OUTLINE
Parallel/Serial PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL
Certification status Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Maximum seat height 1.2 mm 4.45 mm 1.2 mm 3.56 mm 1.2 mm 3.56 mm 4.45 mm 4.45 mm 3.56 mm
Maximum supply voltage (Vsup) 3.465 V 3.465 V 3.465 V 3.465 V 3.465 V 3.465 V 3.465 V 3.465 V 3.465 V
Minimum supply voltage (Vsup) 3.135 V 3.135 V 3.135 V 3.135 V 3.135 V 3.135 V 3.135 V 3.135 V 3.135 V
Nominal supply voltage (Vsup) 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
surface mount YES NO YES YES YES YES NO NO YES
technology CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
Terminal form GULL WING THROUGH-HOLE GULL WING J BEND GULL WING J BEND THROUGH-HOLE THROUGH-HOLE J BEND
Terminal pitch 0.55 mm 2.54 mm 0.55 mm 1.27 mm 0.55 mm 1.27 mm 2.54 mm 2.54 mm 1.27 mm
Terminal location DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
width 8 mm 7.62 mm 8 mm 7.62 mm 8 mm 7.62 mm 7.62 mm 7.62 mm 7.62 mm
Base Number Matches 1 1 1 1 1 1 1 1 1
JESD-609 code e3 e3 e3 - e3 - e3 e3 -
Terminal surface MATTE TIN MATTE TIN MATTE TIN - MATTE TIN - MATTE TIN MATTE TIN -
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