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AT73C202
Table 20. Digital Pins. (Continued)
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
FLASH-LED & LED-OUT Pins
T ON
T
V OL
ON Time
Period
Low Output Voltage
External Transistor is closed
I OUT = 5 mA
60
0.9
80
1
100
1.1
0.4
ms
s
V
I OL
I OH
V IL
V IH
I IL
I IH
Low Output Current
Leakage Current
Low Input Voltage
High Input Voltage
Input Low Current
Input High Current
1.5
5
1
0.4
0.1
0.1
mA
μA
V
V
μA
μA
R DOWN
Pull-down resistance
FLASH-LED pin
1
1.5
1.8
M ?
EN-RF1, EN-RF2
V IH
High input voltage
IIH(Max) = 20 μA
0.7 x V CORE
V-PAD
V
V IL
I IL
I IH
R DOWN
Low input voltage
Low input current
High input current
Pull-down resistance
IIL(Max) = 20 μA
1
GND
1.5
0.3 x V CORE
0.1
0.1
1.8
V
μA
μA
M ?
BUZ-IN
V IH
High Input Voltage
I IH(Max) = 20 μA
1.5
V-PAD
V
V IL
I IH
I IL
Low Input Voltage
High input current
Low input current
I IL(Max) = 20 μA
BUZ-IN pin
BUZ-IN pin
GND
0.6
0.1
0.1
V
μA
μA
R DOWN
Pull-down resistance
BUZ-IN pin
1
1.5
1.8
M ?
EN_VIB
V IH
High input voltage
I IH(Max) = 20 μA (EN-VIB)
1.5
V-PAD
V
V IL
I IL
I IH
Low input voltage
Low input current
High input current
I IL(Max) = 20 μA (EN-VIB)
(EN-VIB)
(EN-VIB)
GND
0.6
0.1
0.1
V
μA
μA
R DOWN
Pull-down resistance
EN-VIB pin
1
1.5
1.8
M ?
Note:
1. V IN = 1.2V to V PAD(MAX) . The reset generator has an open collector output. It is enabled only when V CORE is active.
17
2740B–PMGMT–05/03
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