WSF512K16-XXX データシートの表示（PDF） - White Electronic Designs Corporation
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WSF512K16-XXX Datasheet PDF : 15 Pages
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White Electronic Designs
WSF512K16-XXX
FLASH AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS, FWE# CONTROLLED
VCC = 5.0V, -55°C ≤ TA ≤ +125°C
Parameter
Write Cycle Time
Chip Select Setup Time
Write Enable Pulse Width
Address Setup Time
Data Setup Time
Data Hold Time
Address Hold Time
Write Enable Pulse Width High
Duration of Byte Programming Operation (1)
Sector Erase Time (2)
Read Recovery Time Before Write
VCC Set-up Time
Chip Programming Time
Chip Select Hold Time
Chip Erase Time (3)
Symbol
-90
-120
Unit
Min
Max
Min
Max
tAVAV
tWC
90
120
ns
tELWL
tCS
0
0
ns
tWLWH
tWP
45
50
ns
tAVWL
tAS
0
0
ns
tDVWH
tDS
45
50
ns
tWHDX
tDH
0
0
ns
tWLAX
tAH
45
50
ns
tWHWL
tWPH
20
20
ns
tWHWH1
300
300
µs
tWHWH2
15
15
sec
tGHWL
0
0
µs
tVCS
50
50
µs
11
11
sec
tOEH
10
10
ns
64
64
sec
NOTES:
1. Typical value for tWHWH1 is 7ns.
2. Typical value for tWHWH2 is 1sec.
3. Typical value for Chip Erase Time is 8sec.
FLASH AC CHARACTERISTICS – READ ONLY OPERATIONS
VCC = 5.0V, -55°C ≤ TA ≤ +125°C
Parameter
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, CS# or OE# Change, whichever is first
Symbol
-90
-120
Unit
Min
Max
Min
Max
tAVAV
tRC
90
120
ns
tAVQV
tACC
90
120
ns
tELQV
tCE
90
120
ns
tGLQV
tOE
35
50
ns
tEHQZ
tDF
20
30
ns
tGHQZ
tDF
20
30
ns
tAXQX
tOH
0
0
ns
1. Guaranteed by design, not tested.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
May 2006
Rev. 6
6
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
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