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WSF128K32 Datasheet, PDF (5/12 Pages) List of Unclassifed Manufacturers – 128K x 32 SRAM/FLASH MODULE
White Electronic Designs WSF128K32-XH2X
FLASH AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS, FWE CONTROLLED
(VCC = 5.0V, TA = -55°C TO +125°C)
Parameter
Symbol
Write Cycle Time
Chip Select Setup Time
Write Enable Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Chip Select Hold Time
Write Enable Pulse Width High
Duration of Byte Programming Operation (min)
Chip and Sector Erase Time
Read Recovery Time Before Write
VCC Set-up Time
Chip Programming Time
Output Enable Setup Time
Output Enable Hold Time (1)
tAVAV
tELWL
tWLWH
tAVWL
tDVWH
tWHDX
tWLAX
tWHEH
tWHWL
tWHWH1
tWHWH2
tGHWL
tWC
tCS
tWP
tAS
tDS
tDH
tAH
tCH
tWPH
tVCS
tOES
tOEH
-70
Min
70
0
35
0
30
0
45
0
20
14
2.2
0
50
0
10
Max
60
12.5
-90
Min
Max
90
0
45
0
45
0
45
0
20
14
2.2
60
0
50
12.5
0
10
-120
Unit
Min
Max
120
ns
0
ns
50
ns
0
ns
50
ns
0
ns
50
ns
0
ns
20
ns
14
µs
2.2
60
sec
0
µs
50
µs
12.5 sec
0
ns
10
ns
1. For Toggle and Data Polling.
FLASH AC CHARACTERISTICS – READ ONLY OPERATIONS
(VCC = 5.0V, TA = -55°C TO +125°C)
Parameter
Symbol
Read Cycle Time
Address Access Time
Chip Select Access Time
OE to Output Valid
Chip Select to Output High Z (1)
OE High to Output High Z (1)
Output Hold from Address, FCS or OE Change,
whichever is first
1. Guaranteed by design, not tested.
tAVAV
tAVQV
tELQV
tGLQV
tEHQZ
tGHQZ
tAXQX
tRC
tACC
tCE
tOE
tDF
tDF
tOH
-70
Min
70
0
Max
70
70
35
20
20
-90
Min
Max
90
90
90
40
25
25
0
-120
Unit
Min
Max
120
ns
120 ns
120 ns
50
ns
30
ns
30
ns
0
ns
5
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com