MB3793-34A Datasheet, PDF (2/26 Pages) Cypress Semiconductor – Precise detection of power voltage fall: 2.5%

MB3793-34A
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
Document Number: 002-08556 Rev. *A
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