MB3793-27A Datasheet, PDF (2/30 Pages) Fujitsu Component Limited. – Power Voltage Monitoring IC with Watchdog Timer

MB3793-27A
Contents
Pin Assignment ................................................................ 3
Pin Description ................................................................. 3
Block Diagram .................................................................. 4
Block Description ............................................................. 5
Absolute Maximum Ratings ............................................ 5
Recommended Operating Conditions ............................ 6
Electrical Characteristics ................................................. 7
DC Characteristics .............................................................. 7
AC Characteristics .............................................................. 8
Diagram ............................................................................. 9
Basic operation (Positive clock pulse) ............................... 9
Basic operation (Negative clock pulse) ........................... 10
Single-clock input monitoring (Positive clock pulse) ......... 11
Inhibition operation (Positive clock pulse) ........................ 12
Clock pulse input supplementation
(Positive clock pulse) ........................................................ 13
Operation Sequence ....................................................... 14
Positive clock pulse input ................................................. 14
Negative clock pulse input ................................................ 14
Clock monitoring ............................................................... 14
Description of Operations ................................................. 14
Typical Characteristics .................................................. 16
Application Example ...................................................... 20
Supply voltage monitor and watchdog timer
(1-clock monitor) ............................................................... 20
Supply voltage monitor and watchdog timer stop ............. 21
Typical Application ......................................................... 22
Notes On Use .................................................................. 23
Ordering Information ...................................................... 23
RoHS Compliance Information of
Lead (Pb) Free version ................................................... 23
Marking Format (Lead Free version) ........................... 24
Labeling Sample (Lead free version) ........................... 25
MB3793-27APF-❏❏❏E1, MB3793-27APNF-❏❏❏E1
Recommended Conditions Of Moisture
Sensitivity Level ............................................................. 26
Package Dimensions ...................................................... 28
Major Changes ................................................................ 30
Document Number: 002-08550 Rev. *A
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