M29W640GH, M29W640GL, M29W640GT, M29W640GB
DC and ac parameters
Figure 17. Reset/Block Temporary Unprotect ac waveforms
W, E, G
tPHWL, tPHEL, tPHGL
RB
tRHWL, tRHEL, tRHGL
tPLPX
RP
tPHPHH
tPLYH
AI02931B
Figure 18. Accelerated Program Timing waveforms
V
PP
V
/WP
PP
V
or V
IH
IL
tVHVPP
tVHVPP
AI05563
Table 20. Reset/Block Temporary Unprotect ac Characteristics
M29W640GT,M29W640GB,
M29W640GH, M29W640GL
Symbol
Alt
Parameter
Unit
(1)
tPHWL
RP High to Write Enable Low, Chip Enable Low,
Output Enable Low
tPHEL
tRH
Min
Min
200
0
ns
(1)
tPHGL
(1)
tRHWL
RB High to Write Enable Low, Chip Enable Low,
Output Enable Low
(1)
tRHEL
tRB
ns
(1)
tRHGL
tPLPX
tPLYH
tRP
RP Pulse Width
Min
Max
Min
Min
500
50
ns
µs
ns
ns
tREADY RP Low to Read Mode
tVIDR RP Rise Time to VID
VPP Rise and Fall Time
(1)(2)
tPHPHH
500
500
(1)
tVHVPP
1. Sampled only, not 100% tested.
2. For Fast program operations using VPP/WP at 12V.
53/90
NUMONYX [ NUMONYX B.V ]
