M29F400BB STMICROELECTRONICS [STMicroelectronics], M29F400BB Datasheet - Page 32

• Manufacturer Part Number: M29F400BB
• Description: 4 Mbit (512Kb x8 or 256Kb x16, Boot Block) single supply Flash memory
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

DC and AC parameters
32/40
Figure 9.
Table 13.
1. T
2. Sampled only, not 100% tested.
A0-A17/
A–1
E
G
W
DQ0-DQ7/
DQ8-DQ15
V CC
RB
Symbol
t
WHRL
t
t
t
t
t
t
t
t
t
t
t
VCHEL
t
WHWL
WLWH
DVWH
WHDX
WHEH
GHWL
WHGL
WLAX
AVWL
ELWL
AVAV
A
= 0 to 70 °C, –40 to 85 °C or –40 to 125 °C
(2)
t
t
t
BUSY
t
t
t
WPH
t
t
t
t
t
OEH
Alt
t
VCS
WC
WP
CS
DS
DH
CH
AS
AH
Write AC waveforms, Write Enable controlled
Write AC characteristics, Write Enable controlled
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
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
tWLAX
M29F400BT, M29F400BB
(1)
45
45
40
20
40
30
25
50
0
0
0
0
0
0
tWHEH
tWHGL
M29F400B
tWHWL
tWHDX
55
55
40
25
20
40
30
50
0
0
0
0
0
0
70 / 90
70
45
30
20
45
30
50
0
0
0
0
0
0
AI01869C
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µ
s