DC and AC parameters
M29W320DT, M29W320DB
Figure 12. Reset/Block Temporary Unprotect AC Waveforms
W, E, G
tPHWL, tPHEL, tPHGL
RB
tRHWL, tRHEL, tRHGL
tPLPX
RP
tPHPHH
tPLYH
AI02931c
Table 15. Reset/Block Temporary Unprotect AC Characteristics
M29W320D
Symbol
Alt
Parameter
Unit
ns
70
90
(1)
tPHWL
RP High to Write Enable Low, Chip Enable
Low, Output Enable Low
tPHEL
tRH
Min
Min
50
50
(1)
tPHGL
(1)
tRHWL
RB High to Write Enable Low, Chip Enable
Low, Output Enable Low
(1)
tRHEL
tRB
0
0
ns
(1)
tRHGL
tPLPX
tRP
RP Pulse Width
Min
Max
Min
Min
500
25
500
25
ns
µs
ns
ns
(1)
tPLYH
tREADY RP Low to Read Mode
(1)
tPHPHH
tVIDR
RP Rise Time to VID
500
250
500
250
(1)
tVHVPP
VPP Rise and Fall Time
1. Sampled only, not 100% tested.
Figure 13. Accelerated Program Timing Waveforms
V
PP
V
/WP
PP
V
or V
IH
IL
tVHVPP
tVHVPP
AI90202
36/56
NUMONYX [ NUMONYX B.V ]
