MB3793-45PF-G-BND Datasheet, PDF (6/18 Pages) Fujitsu Component Limited. – Power Voltage Monitoring IC

MB3793-45
s ELECTRICAL CHARACTERISTICS
1. DC Characteristics
Parameter
Symbol
Conditions
Min.
Power supply current
ICC1 After exit from reset
—
Detection voltage
Ta = +25°C
4.40
VSL VCC falling
Ta = –40°C to +85°C (4.35)*
Ta = +25°C
4.50
VSH VCC rising
Ta = –40°C to +85°C (4.45)*
Detection voltage hysteresis
difference
VSHYS VSH – VSL
50
VCIH CK rising
Clock-input threshold voltage
VCIL CK falling
(1.4)*
0.8
Clock-input hysteresis
VCHTS
—
(0.4)*
VIIH
—
3.5
Inhibition-input voltage
VIIL
—
—
Input current
(CK1, CK2, INH)
IIH
VCK = 5 V
IIL
VCK = 0 V
—
–1.0
VOH IRESET = –5 mA
4.5
Reset output voltage
VOL IRESET = +5 mA
—
Reset-output minimum power
voltage
VCCL
IRESET = +50 µA
—
(VCC = +5 V, Ta = +25°C)
Value
Typ.
Unit
Max.
31
45
µA
4.50 4.60
V
4.50 (4.65)*
4.60 4.70
V
4.60 (4.75)*
100
150 mV
1.9
2.5
V
1.3 (1.8)* V
0.6 (0.8)* V
—
—
V
0
0.8
0
1.0 µA
0
—
µA
4.75
—
V
0.12
0.4
V
0.8
1.2
V
*: The values enclosed in parentheses () are setting assurance values.
2. AC Characteristics
Parameter
Symbol Conditions
Power-on reset hold time
Watchdog timer reset time
Watchdog timer reset time
Clock input pulse width
Clock input pulse cycle
Reset (RESET) output transition
time*
Rising
Falling
tPR
CTP = 0.1 µF
tWD
CTW = 0.01 µF,
CTP = 0.1 µF
tWR CTP = 0.1 µF
tCKW
—
tCKT
—
tr* CL = 50 pF
tf* CL = 50 pF
Min.
80
7.5
5
500
20
—
—
(VCC = +5 V, Ta = +25°C)
Value
Typ.
Unit
Max.
130
180 ms
15
22.5 ms
10
15
ms
—
—
ns
—
—
µs
—
500
ns
—
500
ns
*: The voltage range is 10% to 90% at testing the reset output transition time.
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