m29f800at STMicroelectronics, m29f800at Datasheet - Page 15

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

Table 13. Write AC Characteristics, Chip Enable Controlled
(T
Note: 1. Sampled only, not 100% tested.
Figure 9. Write AC Waveforms, Chip Enable Controlled
A
t
Symbol
t
EHRL
t
= 0 to 70 C, –40 to 85 C or –40 to 125 C)
VCHWL
t
t
t
t
t
t
t
t
t
t
EHWH
WLEL
EHDX
GHEL
EHGL
ELEH
DVEH
EHEL
ELAX
AVAV
AVEL
A0-A18/
A–1
W
G
E
DQ0-DQ7/
DQ8-DQ15
V CC
RB
(1)
t
t
t
t
BUSY
t
t
t
t
CPH
OEH
Alt
t
t
t
t
VCS
WC
WS
WH
CP
DS
DH
AS
AH
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
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
V
tVCHWL
CC
High to Write Enable Low
tWLEL
tGHEL
tAVEL
Parameter
tAVAV
VALID
tELEH
tDVEH
tEHRL
VALID
tELAX
Max
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
tEHWH
M29F800AT, M29F800AB
tEHGL
tEHEL
tEHDX
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
AI02184
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
15/21
s