M39432 Datasheet, PDF (20/28 Pages) STMicroelectronics – Single Chip 4 Mbit Flash Memory and 256 Kbit Parallel EEPROM

M39432
Table 15. Write Mode AC Characteristics (W controlled)
(T_A = –40 to 85 °C; V_CC = 2.7 V to 3.6 V)
Symbol Alt.
Parameter
-100
Min Max
t_AVAV
Address Valid to Next Address Valid
100
t_ELWL3 ^tCS Chip Enable Low to Write Enable Low
0
t_WLWH t_WP Write Enable Low to Write Enable High 50
t_DVWH t_DS Input Valid to Write Enable High
50
t_WHDX t_DH Write Enable High to Input Transition
0
t_WHEH3 ^tCH Write Enable High to Chip Enable High
0
t_WHWL t_WPH Write Enable High to Write Enable Low 30
t_AVWL t_AS Address Valid to Write Enable Low
0
t_WLAX t_AH Write Enable Low to Address Transition 50
t_GHWL
Output Enable High to Write Enable Low 0
t_VCHEL4 ^tVCS ^VCC ^{High to Chip Enable Low}
50
t_WHQV11
Write Enable High to Output Valid
(Program)
15
t_WHQV21
Write Enable High to Output Valid
(Sector Erase)
2.0 30
t_WHWL0
Time-Out between two consecutive
Sector Erase
80
t_WHGL t_OEH Write Enable High to Output Enable Low 0
t_WHRL2,4
t_DB
Write Enable High to Ready/Busy
Output Low
150
Note: 1. Time is measured to Data Polling or Toggle Bit, tWHQV = tWHQ7V + tQ7VQV.
2. With a 3.3 kΩ pull-up resistor.
3. Chip Enable means (EE,EF) = (VIL,VIH) or (EE,EF) = (VIH,VIL).
4. Sampled only, not 100% tested.
M39432
-120
Min Max
120
0
50
50
0
0
30
0
50
0
50
15
2.0 30
80
0
150
-150
Min Max
150
0
65
65
0
0
35
0
65
0
50
15
2.0 30
80
0
150
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
µs
s
µs
ns
ns
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