M29W400B STMICROELECTRONICS [STMicroelectronics], M29W400B Datasheet - Page 15
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M29W400B
Manufacturer Part Number
M29W400B
Description
4 Mbit 512Kb x8 or 256Kb x16, Boot Block Low Voltage Single Supply Flash Memory
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.M29W400B.pdf
(34 pages)
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Table 14B. Read AC Characteristics
(T
Notes: 1. Sampled only, not 100% tested.
t
Symbol
t
t
t
t
t
t
PLYH
ELQX
ELQV
GLQX
GLQV
EHQZ
GHQZ
A
t
t
t
t
t
t
t
t
t
t
t
GHQX
AVQV
EHQX
AXQX
BHQV
PHEL
PLPX
ELBH
BLQZ
AVAV
ELBL
= 0 to 70 C, –20 to 85 C or –40 to 85 C)
(1,3)
2. G may be delayed by up to t
3. To be considered only if the Reset pulse is given while the memory is in Erase or Program mode.
(1)
(2)
(1)
(2)
(1)
(1)
t
READY
t
t
t
t
t
t
FHQV
t
ELFH
FLQZ
Alt
t
t
t
t
t
t
ELFL
ACC
t
t
t
RRB
t
t
OLZ
RC
CE
OE
OH
OH
OH
RH
RP
LZ
HZ
DF
Address Valid to Next Address Valid
Address Valid to Output Valid
Chip Enable Low to Output
Transition
Chip Enable Low to Output Valid
Output Enable Low to Output
Transition
Output Enable Low to Output Valid
Chip Enable High to Output
Transition
Chip Enable High to Output Hi-Z
Output Enable High to Output
Transition
Output Enable High to Output Hi-Z
Address Transition to Output
Transition
RP Low to Read Mode
RP High to Chip Enable Low
RP Pulse Width
Chip Enable to BYTE Switching Low
or High
BYTE Switching Low to Output
High Z
BYTE Switching High to Output
Valid
Parameter
ELQV
- t
GLQV
after the falling edge of E without increasing t
Condition
E = V
G = V
E = V
G = V
G = V
G = V
G = V
G = V
E = V
G = V
E = V
E = V
E = V
E = V
Test
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
IL
,
,
,
V
CC
Min
120
500
50
0
0
0
0
0
= 2.7V to 3.6V V
-120
M29W400T / M29W400B
ELQV
Max
120
120
.
50
30
30
10
60
60
5
M29W400T, M29W400B
CC
Min
150
500
50
0
0
0
0
0
= 2.7V to 3.6V
-150
Max
150
150
55
40
40
10
60
60
5
Unit
15/34
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s