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WPS256K16C-20LJIGA

Description
Standard SRAM, 256KX16, 20ns, CMOS, PDSO44, ROHS COMPLIANT, PLASTIC, SOJ-44
Categorystorage    storage   
File Size603KB,8 Pages
ManufacturerWhite Electronic Designs Corporation
Websitehttp://www.wedc.com/
Environmental Compliance
Download Datasheet Parametric View All

WPS256K16C-20LJIGA Overview

Standard SRAM, 256KX16, 20ns, CMOS, PDSO44, ROHS COMPLIANT, PLASTIC, SOJ-44

WPS256K16C-20LJIGA Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
package instructionROHS COMPLIANT, PLASTIC, SOJ-44
Reach Compliance Codeunknown
Maximum access time20 ns
JESD-30 codeR-PDSO-J44
length28.55 mm
memory density4194304 bit
Memory IC TypeSTANDARD SRAM
memory width16
Number of functions1
Number of terminals44
word count262144 words
character code256000
Operating modeSYNCHRONOUS
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
organize256KX16
Package body materialPLASTIC/EPOXY
encapsulated codeSOJ
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Parallel/SerialPARALLEL
Peak Reflow Temperature (Celsius)NOT SPECIFIED
Certification statusNot Qualified
Maximum seat height3.76 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyCMOS
Temperature levelINDUSTRIAL
Terminal formJ BEND
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width10.16 mm
Base Number Matches1
White Electronic Designs
256Kx16 PLASTIC SRAM
PLASTIC PLUS® FEATURES
Access Times of 15, 17, 20, 25ns
Standard Commercial Off-The-Shelf (COTS)
Memory Devices for Extended Temperature Range
Industry Standard 44 Lead Plastic SOJ Package
Electrical and Speed Characteristics for:
Military Temperature (-55°C to +125°C)
Industrial Temperature (-40°C to +85°C)
Commercial Temperature (0°C to +70°C)
EDI816256CA-XM44XG
WPS256K16X-XLJXG
PIN CONFIGURATION FOR WPS256K16X-XLJXG
Top View
A0
A1
A2
A3
A4
CS#
I/O1
I/O2
I/O3
I/O4
V
CC
V
SS
I/O5
I/O6
I/O7
I/O8
WE#
A5
A6
A7
A8
A9
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
A17
A16
A15
OE#
UB#
LB#
I/O16
I/O15
I/O14
I/O13
V
SS
V
CC
I/O12
I/O11
I/O10
I/O9
NC
A14
A13
A12
A11
A10
Burn-in and Temperature Cycling Available
Organized as 256K x 16
Center Power/Ground Pins (Revolutionary)
Data Byte Control:
Lower Byte (LB) = I/O
1-8
Upper Byte (UB) = I/O
9-16
5 Volt Power Supply
Low Power Dissipation CMOS
Battery Back-Up Operation
RoHS Compliant
* This product is subject to change without notice.
PIN DESCRIPTION
A
0-17
LB#
UB#
I/0A
1-16
WE#
CS#
OE#
V
CC
V
SS
NC
Address Inputs
Lower-Byte Control (I/O
1-8)
Upper-Byte Control (I/O
9-16
)
Data Input/Output
Chip Select
Output Enable
Write Enable
+5.0V Power
Ground
Not Connected
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2009
Rev. 1
1
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
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