MB3793-42PNF-G-JN-6E1 Fujitsu Semiconductor America Inc, MB3793-42PNF-G-JN-6E1 Datasheet - Page 10

• Manufacturer Part Number: MB3793-42PNF-G-JN-6E1
• Description: IC PWR SUPP MON DUAL WD 8SOP
• Manufacturer: Fujitsu Semiconductor America Inc
• Type: Simple Reset/Power-On Resetr

Specifications of MB3793-42PNF-G-JN-6E1

• Number Of Voltages Monitored: 1
• Output: CMOS Inverted
• Reset: Active Low
• Reset Timeout: 80 ms Minimum
• Voltage - Threshold: 4.2V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 865-1028-2

10
MB3793-42
3. Single-clock input monitoring (Positive clock pulse)
Note: The MB3793 can monitor only one clock.
RESET
CTW
CK1
CK2
CTP
The MB3793 checks the clock signal at every other input pulse. Therefore, set watchdog
timer monitor time t
long as the input clock pulse.
V
V
V
th
H
L
WD
to the time that allows the MB3793 to monitor the period twice as
t
CKW
t
WD
t
CKT
t
WR