ADM1068
Preliminary Technical Data
TABLE OF CONTENTS
General Description......................................................................... 3
Warnings...................................................................................... 15
SMBus Jump/Unconditional Jump .......................................... 15
Sequencing Engine Application Example ............................... 16
Sequence Detector...................................................................... 17
Monitoring Fault Detector........................................................ 17
Timeout Detector....................................................................... 17
Fault Reporting........................................................................... 17
Applications Diagram.................................................................... 18
Communicating with the ADM1068........................................... 19
Configuration Download at Power-Up................................... 19
Updating the Configuration ..................................................... 19
Updating the Sequencing Engine............................................. 20
Internal Registers........................................................................ 20
EEPROM ..................................................................................... 20
Serial Bus Interface..................................................................... 20
Write Operations........................................................................ 22
Read Operations......................................................................... 24
Outline Dimensions....................................................................... 26
Ordering Guide .......................................................................... 26
Specifications..................................................................................... 4
Pin Configuration and Function Descriptions............................. 6
Absolute Maximum Ratings............................................................ 7
Thermal Characteristics .............................................................. 7
ESD Caution.................................................................................. 7
Typical Performance Characteristics ............................................. 8
Powering the ADM1068 ................................................................ 10
Inputs................................................................................................ 11
Supply Supervision..................................................................... 11
Programming the Supply Fault Detectors............................... 11
Input Comparator Hysteresis.................................................... 12
Input Glitch Filtering ................................................................. 12
Supply Supervision with VXn Inputs....................................... 12
VXn Pins as Digital Inputs........................................................ 13
Outputs ............................................................................................ 14
Supply Sequencing through Configurable Output Drivers .. 14
Sequencing Engine ......................................................................... 15
Overview...................................................................................... 15
REVISION HISTORY
11/04—Preliminary PrB: Preliminary Version
Rev. PrB | Page 2 of 28