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M27128A-3F1 View Datasheet(PDF) - STMicroelectronics

Part NameDescriptionManufacturer
M27128A-3F1 NMOS 128K (16K x 8) UV EPROM ST-Microelectronics
STMicroelectronics ST-Microelectronics
M27128A-3F1 Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
M27128A
Table 8. Programming Mode DC Characteristics (1)
(TA = 25 °C; VCC = 6V ± 0.25V; VPP = 12.5V ± 0.3V)
Symbol
Parameter
Test Condition
Min
Max
ILI
Input Leakage Current
VIL VIN VIH
±10
ICC
Supply Current
100
IPP
Program Current
E = VIL
50
VIL
Input Low Voltage
–0.1
0.8
VIH
Input High Voltage
2
VCC + 1
VOL
Output Low Voltage
IOL = 2.1mA
0.45
VOH
Output High Voltage
IOH = –400µA
2.4
VID
A9 Voltage
11.5
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
12.5
Unit
µA
mA
mA
V
V
V
V
V
Table 9. Programming Mode AC Characteristics (1)
(TA = 25 °C; VCC = 6V ± 0.25V; VPP = 12.5V ± 0.3V)
Symbol Alt
Parameter
Test Condition
Min
Max
Unit
tAVPL
tAS Address Valid to Program Low
2
µs
tQVPL
tDS Input Valid to Program Low
2
µs
tVPHPL
tVPS VPP High to Program Low
2
µs
tVCHPL
tVCS VCC High to Program Low
2
µs
tELPL
tCES
Chip Enable Low to Program
Low
2
µs
tPLPH
tPW Program Pulse Width (Initial)
Note 2
0.95
1.05
ms
tPLPH
tOPW
Program Pulse Width
(Overprogram)
Note 3
2.85
78.75
ms
tPHQX
tDH
Program High to Input
Transition
2
µs
tQXGL
tOES
Input Transition to Output
Enable Low
2
µs
tGLQV
tOE
Output Enable Low to
Output Valid
150
ns
tGHQZ (4)
tDFP
Output Enable High to
Output Hi-Z
0
130
ns
tGHAX
tAH
Output Enable High to
Address Transition
0
ns
Notes: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
2. The Initial Program Pulse width tolerance is 1 ms ± 5%.
3. The length of the Over-program Pulse varies from 2.85 ms to 78.95 ms, depending on the multiplication value of the iteration counter.
4. Sampled only, not 100% tested.
6/10
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