M29W320E ST Microelectronics, M29W320E Datasheet - Page 25

• Manufacturer Part Number: M29W320E
• Description: 32 Mbit (4Mb x8 or 2Mb x16 / Boot Block) 3V Supply Flash Memory
• Manufacturer: ST Microelectronics

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