M29W320ET, M29W320EB
Figure 12. Write AC Waveforms, Write Enable Controlled
tAVAV
A0-A20/
VALID
A–1
tWLAX
tAVWL
tWHEH
tWHGL
E
tELWL
G
tGHWL
tWLWH
W
tWHWL
tWHDX
tDVWH
VALID
DQ0-DQ7/
DQ8-DQ15
V
CC
tVCHEL
RB
tWHRL
AI05560
Table 13. Write AC Characteristics, Write Enable Controlled
M29W320E
Unit
Symbol
Alt
Parameter
70
70
0
90
90
0
t
t
WC
Address Valid to Next Address Valid
Chip Enable Low to Write Enable Low
Write Enable Low to Write Enable High
Input Valid to Write Enable High
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Max
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
AVAV
t
t
CS
ELWL
t
t
45
45
0
50
50
0
WLWH
WP
t
t
DVWH
DS
DH
CH
t
t
t
Write Enable High to Input Transition
Write Enable High to Chip Enable High
Write Enable High to Write Enable Low
Address Valid to Write Enable Low
Write Enable Low to Address Transition
Output Enable High to Write Enable Low
Write Enable High to Output Enable Low
Program/Erase Valid to RB Low
WHDX
t
0
0
WHEH
t
t
WPH
30
0
30
0
WHWL
t
t
AS
AVWL
t
t
45
0
50
0
WLAX
AH
t
GHWL
t
t
OEH
0
0
WHGL
(1)
t
30
50
35
50
t
BUSY
WHRL
t
t
V
High to Chip Enable Low
CC
Min
µs
VCHEL
VCS
Note: 1. Sampled only, not 100% tested.
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STMICROELECTRONICS [ ST ]
