M29F400BT, M29F400BB
Table 17. Reset/Block Temporary Unprotect AC Characteristics
(T = 0 to 70 °C, –40 to 85 °C or –40 to 125 °C)
A
M29F400B
Unit
Symbol
Alt
Parameter
45
55
70 / 90
(1)
t
PHWL
RP High to Write Enable Low, Chip Enable
Low, Output Enable Low
t
t
Min
Min
50
50
50
ns
ns
PHEL
RH
(1)
t
PHGL
(1)
(1)
(1)
t
t
RHWL
RB High to Write Enable Low, Chip Enable
Low, Output Enable Low
t
0
0
0
t
RB
RHEL
RHGL
t
t
RP Pulse Width
Min
Max
Min
500
10
500
10
500
10
ns
µs
ns
PLPX
(1)
RP
t
RP Low to Read Mode
t
READY
PLYH
(1)
t
RP Rise Time to V
500
500
500
t
VIDR
ID
PHPHH
Note: 1. Sampled only, not 100% tested.
Figure 11. Reset/Block Temporary Unprotect AC Waveforms
W, E, G
tPHWL, tPHEL, tPHGL
RB
tRHWL, tRHEL, tRHGL
tPHPHH
tPLPX
RP
tPLYH
AI02931
17/22
STMICROELECTRONICS [ ST ]
