M29W320ET, M29W320EB
Figure 13. Write AC Waveforms, Chip Enable Controlled
tAVAV
A0-A20/
VALID
A–1
tELAX
tAVEL
tEHWH
W
tWLEL
tEHGL
G
tGHEL
tELEH
E
tEHEL
tEHDX
tDVEH
DQ0-DQ7/
DQ8-DQ15
VALID
V
CC
tVCHWL
RB
tEHRL
AI05561
Table 14. Write AC Characteristics, Chip Enable Controlled
M29W320E
Symbol
Alt
Parameter
Unit
70
70
0
90
90
0
t
t
WC
Address Valid to Next Address Valid
Write Enable Low to Chip Enable Low
Chip Enable Low to Chip Enable High
Input Valid to Chip 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
WS
WLEL
t
t
45
45
0
50
50
0
ELEH
CP
DS
DH
t
t
t
DVEH
t
Chip Enable High to Input Transition
Chip Enable High to Write Enable High
Chip Enable High to Chip Enable Low
Address Valid to Chip Enable Low
Chip Enable Low to Address Transition
Output Enable High Chip Enable Low
Chip Enable High to Output Enable Low
Program/Erase Valid to RB Low
EHDX
t
t
WH
0
0
EHWH
t
t
30
0
30
0
EHEL
CPH
t
t
AS
AVEL
t
t
45
0
50
0
ELAX
AH
t
GHEL
t
t
0
0
EHGL
OEH
(1)
t
30
50
35
50
t
BUSY
EHRL
t
t
V
High to Write Enable Low
CC
Min
µs
VCHWL
VCS
Note: 1. Sampled only, not 100% tested.
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STMICROELECTRONICS [ ST ]
