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M39432 Datasheet(PDF) 20 Page - STMicroelectronics

Part # M39432
Description  Single Chip 4 Mbit Flash Memory and 256 Kbit Parallel EEPROM
PDF  28 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M39432 Datasheet(HTML) 20 Page - STMicroelectronics

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Table 15. Write Mode AC Characteristics (W controlled)
(TA = –40 to 85 °C; VCC = 2.7 V to 3.6 V)
Note: 1. Time is measured to Data Polling or Toggle Bit, tWHQV = tWHQ7V + tQ7VQV.
2. With a 3.3 k
Ω pull-up resistor.
3. Chip Enable means (EE,EF) = (VIL,VIH) or (EE,EF) = (VIH,VIL).
4. Sampled only, not 100% tested.
Symbol
Alt.
Parameter
M39432
Unit
-100
-120
-150
Min
Max
Min
Max
Min
Max
tAVAV
Address Valid to Next Address Valid
100
120
150
ns
tELWL
3
tCS
Chip Enable Low to Write Enable Low
0
0
0
ns
tWLWH
tWP
Write Enable Low to Write Enable High
50
50
65
ns
tDVWH
tDS
Input Valid to Write Enable High
50
50
65
ns
tWHDX
tDH
Write Enable High to Input Transition
0
0
0
ns
tWHEH
3
tCH
Write Enable High to Chip Enable High
0
0
0
ns
tWHWL
tWPH Write Enable High to Write Enable Low
30
30
35
ns
tAVWL
tAS
Address Valid to Write Enable Low
0
0
0
ns
tWLAX
tAH
Write Enable Low to Address Transition
50
50
65
ns
tGHWL
Output Enable High to Write Enable Low
0
0
0
ns
tVCHEL
4
tVCS
VCC High to Chip Enable Low
50
50
50
µs
tWHQV1
1
Write Enable High to Output Valid
(Program)
15
15
15
µs
tWHQV2
1
Write Enable High to Output Valid
(Sector Erase)
2.0
30
2.0
30
2.0
30
s
tWHWL0
Time-Out between two consecutive
Sector Erase
80
80
80
µs
tWHGL
tOEH
Write Enable High to Output Enable Low
0
0
0
ns
tWHRL
2,4
tDB
Write Enable High to Ready/Busy
Output Low
150
150
150
ns



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