m29f800at STMicroelectronics, m29f800at Datasheet - Page 14

• Manufacturer Part Number: m29f800at
• Description: 8 Mbit 1mb X8 Or 512kb X16, Boot Block Single Supply Flash Memory
• Manufacturer: STMicroelectronics

M29F800AT, M29F800AB
Table 12. Write AC Characteristics, Write Enable Controlled
(T
Note: 1. Sampled only, not 100% tested.
Figure 8. Write AC Waveforms, Write Enable Controlled
14/21
A
t
Symbol
WHRL
t
t
t
t
t
= 0 to 70 C, –40 to 85 C or –40 to 125 C)
t
t
t
t
t
t
t
WHWL
VCHEL
WLWH
DVWH
WHDX
WHEH
GHWL
WHGL
AVWL
WLAX
ELWL
AVAV
A0-A18/
A–1
E
G
W
DQ0-DQ7/
DQ8-DQ15
V CC
RB
(1)
t
t
t
t
BUSY
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
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
tWHGL
tWHWL
tWHDX
70
70
45
30
20
45
30
50
0
0
0
0
0
0
M29F800A
90
90
45
45
20
45
35
50
0
0
0
0
0
0
AI02183
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s