M29W400DT Datasheet, PDF (34/48 Pages) STMicroelectronics – 4 Mbit (512Kb x8 or 256Kb x16, Boot Block) 3V Supply Flash Memory

DC and AC parameters
Figure 14. Reset/Block Temporary Unprotect AC waveforms
M29W400DT, M29W400DB
W, E, G
RB
RP
tPHWL, tPHEL, tPHGL
tPLPX
tPLYH
tRHWL, tRHEL, tRHGL
tPHPHH
AI02931
Table 15. Reset/Block Temporary Unprotect AC characteristics
Symbol
Alt
Parameter
t_PHWL(1)
t_PHEL
t_PHGL(1)
t_RHWL(1)
t_RHEL(1)
t_RHGL(1)
t_RH
RP High to Write Enable Low, Chip Enable
Low, Output Enable Low
t_RB
RB High to Write Enable Low, Chip Enable
Low, Output Enable Low
t_PLPX
t_PLYH(1)
t_PHPHH(1)
t_RP
t_READY
t_VIDR
RP Pulse width
RP Low to Read mode
RP Rise time to V_ID
1. Sampled only, not 100% tested.
Min
Min
Min
Max
Min
M29W400D
45 55 70
50 50 50
0
0
0
500 500 500
10 10 10
500 500 500
Unit
ns
ns
ns
µs
ns
34/48