WF4M16-120DTC5 データシートの表示（PDF） - White Electronic Designs Corporation
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WF4M16-120DTC5 Datasheet PDF : 11 Pages
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WF4M16-XDTX5
AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS - WE CONTROLLED
(VCC = 5.0V, TA = -55°C to +125°C)
Parameter
Write Cycle Time
Symbol
tAVAV
tWC
-90
Min
Max
90
-120
-150
Unit
Min
Max
Min
Max
120
150
ns
Chip Select Setup Time
tELWL
tCS
0
0
0
ns
Write Enable Pulse Width
tWLWH
tWP
45
50
50
ns
Address Setup Time
tAVWL
tAS
0
0
0
ns
Data Setup Time
tDVWH
tDS
45
50
50
ns
Data Hold Time
tWHDX
tDH
0
0
0
ns
Address Hold Time
tWLAX
tAH
45
50
50
ns
Write Enable Pulse Width High
tWHWL
tWPH
20
20
20
ns
Duration of Byte Programming Operation (1)
tWHWH1
300
300
300
µs
Sector Erase (2)
tWHWH2
15
15
15
sec
Read Recovery Time before Write
tGHWL
0
0
0
µs
VCC Setup Time
tVCS
50
50
50
µs
Chip Programming Time
44
44
44
sec
Chip Erase Time (3)
256
256
256
sec
Output Enable Hold Time (4)
tOEH
10
10
10
ns
NOTES:
1. Typical value for tWHWH1 is 7µs.
2. Typical value for tWHWH2 is 1sec.
3. Typical value for Chip Erase Time is 32sec.
4. For Toggle and Data Polling.
AC CHARACTERISTICS – READ-ONLY OPERATIONS
(VCC = 5.0V, TA = -55°C to +125°C)
Parameter
Read Cycle Time
Address Access Time
Chip Select Access Time
Output Enable to Output Valid
Chip Select High to Output High Z (1)
Output Enable High to Output High Z (1)
Output Hold from Addresses, CS or OE Change,
whichever is First
1. Guaranteed by design, not tested.
Symbol
tAVAV
tAVQV
tELQV
tGLQV
tEHQZ
tGHQZ
tAXQX
tRC
tACC
tCE
tOE
tDF
tDF
tOH
-90
Min
Max
90
90
90
40
20
20
0
-120
Min
Max
120
120
120
50
30
30
0
-150
Unit
Min
Max
150
ns
150
ns
150
ns
55
ns
35
ns
35
ns
0
ns
3
White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com
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