M29W320DT, M29W320DB
Figure 16. Reset/Block Temporary Unprotect AC Waveforms
W, E, G
tPHWL, tPHEL, tPHGL
RB
tRHWL, tRHEL, tRHGL
tPLPX
RP
tPHPHH
tPLYH
AI02931B
Table 14. Reset/Block Temporary Unprotect AC Characteristics
M29W320D
Symbol
Alt
Parameter
Unit
70
90
(1)
t
PHWL
RP High to Write Enable Low, Chip Enable Low,
Output Enable Low
t
t
Min
Min
50
50
0
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
ns
t
RB
RHEL
RHGL
t
t
RP Pulse Width
Min
Max
Min
Min
500
10
500
10
ns
µs
ns
ns
PLPX
RP
(1)
t
RP Low to Read Mode
t
READY
PLYH
(1)
(1)
t
RP Rise Time to V
500
250
500
250
t
VIDR
ID
PHPHH
V
PP
Rise and Fall Time
t
VHVPP
Note: 1. Sampled only, not 100% tested.
Figure 17. Accelerated Program Timing Waveforms
V
PP
V
/WP
PP
V
or V
IH
IL
tVHVPP
tVHVPP
AI90202
29/46
STMICROELECTRONICS [ ST ]
