MB3793-34A

Document Number: 002-08556 Rev. *A

Page 2 of 26

Contents

Pin Assignment ................................................................ 3

Pin Description ................................................................. 3

Block Diagram .................................................................. 4

Block Functions ................................................................ 5

Absolute Maximum Ratings ............................................ 6

Recommended Operating Conditions ............................ 6

Electrical Characteristics ................................................. 7

DC Characteristics ...................................................... 7

AC Characteristics ....................................................... 8

Timing 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

Single-clock input monitoring .................................... 14

Description of Operations .......................................... 14

Typical Characteristics ................................................. 16

Application Example ...................................................... 19

Supply voltage monitor and watchdog timer ............. 19

Supply voltage monitor and watchdog timer stop ...... 20

Usage Precaution ........................................................... 21

Ordering Information ...................................................... 21

RoHS Compliance Information of

Lead (Pb) Free version ................................................... 22

Labeling Sample (Lead free version) ........................... 22

Marking Format (Lead Free version) ........................... 22

MB3793-34APNF Recommended Conditions

Of Moisture Sensitivity Level ........................................ 23

Package Dimensions 2...................................................... 4

Document History ........................................................... 25