MB3793-42 Datasheet, PDF (6/25 Pages) Fujitsu Component Limited. – POWER-VOLTAGE MONITORING IC WITH WATCHDOG TIMER

MB3793-42
■ ELECTRICAL CHARACTERISTICS
1. DC Characteristics
Parameter
Power current
Detection voltage
Detection voltage
hysteresis difference
CK input threshold voltage
CK input hysteresis
INH input voltage
Input current
(CK1,CK2,INH)
Reset output voltage
Reset-output minimum
power voltage
Symbol
ICC1
ICC2
VSL
VSH
Conditions
Watchdog timer operation*¹
Watchdog timer halt*²
Ta = +25°C
VCC falling
Ta = −40 to +85°C
VCC rising
Ta = +25°C
Ta = −40 to +85°C
Min
⎯
⎯
4.10
4.05
4.20
4.15
VSHYS VSH - VSL
50
VCIH
VCIL
VCHYS
VIIH
VIIL
IIH
IIL
VOH
VOL
⎯
⎯
⎯
⎯
⎯
VCK = VCC
VCK = 0 V
IRESET = −5 mA
IRESET = +5 mA
(1.4)
(0.8)
(0.4)
3.5
0
⎯
−1.0
4.5
⎯
VCCL
IRESET = +50 µA
⎯
(VCC = +5 V, Ta = +25°C)
Value
Typ
Unit
Max
27
50
µA
25
45
4.20
4.30
V
4.20
4.35
4.30
4.40
V
4.30
4.45
100
150 mV
1.9
(2.5) V
1.3
(1.8) V
0.6
(0.8) V
⎯
VCC
V
0
0.8 V
0
1.0 µA
0
⎯ µA
4.75
⎯
V
0.12
0.4 V
0.8
1.2 V
*1: At clock input terminals CK1 and CK2, the pulse input frequency is 1 kHz and the pulse amplitude is 0 V to VCC.
*2: Inhibition input is at High level.
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