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WMS256K16-17DLCA

Description
Standard SRAM, 256KX16, 17ns, CMOS, CDSO44, CERAMIC, SOJ-44
Categorystorage    storage   
ManufacturerMicrosemi
Websitehttps://www.microsemi.com
Download Datasheet Parametric View All

WMS256K16-17DLCA Overview

Standard SRAM, 256KX16, 17ns, CMOS, CDSO44, CERAMIC, SOJ-44

WMS256K16-17DLCA Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
Objectid1546389990
package instructionCERAMIC, SOJ-44
Reach Compliance Codeunknown
Maximum access time17 ns
Other features2V MINIMUM DATA RETENTION FOR BATTERY BACK UP OPERATION
JESD-30 codeR-CDSO-J44
JESD-609 codee0
length28.7 mm
memory density4194304 bit
Memory IC TypeSTANDARD SRAM
memory width16
Number of functions1
Number of terminals44
word count262144 words
character code256000
Operating modeASYNCHRONOUS
Maximum operating temperature70 °C
Minimum operating temperature
organize256KX16
Package body materialCERAMIC, METAL-SEALED COFIRED
encapsulated codeSOJ
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Parallel/SerialPARALLEL
Certification statusNot Qualified
Maximum seat height3.96 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 levelCOMMERCIAL
Terminal surfaceTIN LEAD
Terminal formJ BEND
Terminal pitch1.27 mm
Terminal locationDUAL
WMS256K16-XXX
256Kx16 MONOLITHIC SRAM, SMD 5962-96902
FEATURES

Access Times 17, 20, 25, 35ns

MIL-STD-883 Compliant Devices Available

Packaging
• 44 pin Ceramic SOJ (Package 102)
• 44 lead Ceramic Flatpack (Package 225)

Organized as 256Kx16

Data Byte Control:
• Lower Byte (LB#) = I/O
1-8
• Upper Byte (UB#) = I/O
9-16

2V Minimum Data Retention for battery back up operation
(WMS256K16L-XXX Low Power Version Only)

Commercial, Industrial and Military Temperature Range

5V Power Supply

Low Power CMOS

TTL Compatible Inputs and Outputs
PIN CONFIGURATION FOR WMS256K16-XXX
44 CSOJ
44 FlatpacK
TOP VIEW
A0
A1
A2
A3
A4
CS#
I/O1
I/O2
I/O3
I/O4
V
CC
GND
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
GND
V
CC
I/O12
I/O11
I/O10
I/O9
NC
A14
A13
A12
A11
A10
PIN DESCRIPTION
A
0-17
LB#
UB#
I/O
1-16
CS#
OE#
WE#
V
CC
GND
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
No Connection
Microsemi Corporation reserves the right to change products or specifications without notice.
May 2013
Rev. 8
© 2013 Microsemi Corporation. All rights reserved.
1
Microsemi Corporation • (602) 437-1520 • www.microsemi.com
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