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27128 Scheda tecnica(PDF) 6 Page - STMicroelectronics

Il numero della parte 27128
Spiegazioni elettronici  NMOS 128K 16K x 8 UV EPROM
PDF  10 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

27128 Scheda tecnica(HTML) 6 Page - STMicroelectronics

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Symbol
Parameter
Test Condition
Min
Max
Unit
ILI
Input Leakage Current
VIL
≤ VIN ≤ VIH
±10
µA
ICC
Supply Current
100
mA
IPP
Program Current
E = VIL
50
mA
VIL
Input Low Voltage
–0.1
0.8
V
VIH
Input High Voltage
2
VCC + 1
V
VOL
Output Low Voltage
IOL = 2.1mA
0.45
V
VOH
Output High Voltage
IOH = –400
µA
2.4
V
VID
A9 Voltage
11.5
12.5
V
Note: 1. VCC must be applied simultaneously with or before VPP and removed simultaneously or after VPP.
Table 8. Programming Mode DC 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
0ns
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.
Table 9. Programming Mode AC Characteristics (1)
(TA = 25
°C; VCC = 6V ± 0.25V; VPP = 12.5V ± 0.3V)
6/10
M27128A



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