M36W432T Datasheet, PDF (30/57 Pages) STMicroelectronics – 32 Mbit 2Mb x16, Boot Block Flash Memory and 4 Mbit 256K x16 SRAM, Multiple Memory Product

M36W432T, M36W432B
Figure 12. Flash Power-Up and Reset AC Waveforms
WF,EF,GF
RPF
VDDF, VDDQF
tPHWL
tPHEL
tPHGL
tVDHPH
Power-Up
tPHWL
tPHEL
tPHGL
tPLPH
Reset
AI05210
Table 18. Flash Power-Up and Reset AC Characteristics
Symbol
Parameter
Test Condition
Flash
70
85
During
t_PHWL
t_PHEL
t_PHGL
Reset High to Write Enable Low, Chip Enable
Low, Output Enable Low
Program and Min
Erase
50
50
others
Min
30
30
t_PLPH(1,2) Reset Low to Reset High
Min 100
100
t_VDHPH(3) Supply Voltages High to Reset High
Min
50
50
Note: 1. The device Reset is possible but not guaranteed if tPLPH < 100ns.
2. Sampled only, not 100% tested.
3. It is important to assert RPF in order to allow proper CPU initialization during power up or reset.
Unit
µs
ns
ns
µs
30/57