M29W800DB STMICROELECTRONICS [STMicroelectronics], M29W800DB Datasheet - Page 23

• Manufacturer Part Number: M29W800DB
• Description: 8 Mbit (1Mb x8 or 512Kb x16, Boot Block) 3V Supply Flash Memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

Figure 13. 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-A18/
A–1
E
G
W
DQ0-DQ7/
DQ8-DQ15
V CC
RB
(1)
t
t
t
BUSY
t
t
t
WPH
t
t
OEH
Alt
t
t
t
t
VCS
WC
WP
CS
DS
DH
CH
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
CC
tVCHEL
High to Chip Enable Low
tELWL
tGHWL
tAVWL
Parameter
tAVAV
VALID
tWLWH
tDVWH
tWHRL
VALID
Max
tWLAX
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
M29W800DT, M29W800DB
tWHEH
45
45
30
25
30
40
30
50
0
0
0
0
0
0
tWHGL
tWHWL
M29W800D
tWHDX
70
70
45
45
30
45
30
50
0
0
0
0
0
0
90
90
50
50
30
50
35
50
AI05449
0
0
0
0
0
0
Unit
23/42
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs