Data Sheet

ZL40293

ZL40293

March 2019

© 2019 Microsemi Corporation

2

Table of Contents

Features..................................................................................................................................... 1

Applications................................................................................................................................ 1

Table of Contents ...................................................................................................................... 2

Pin Diagram ............................................................................................................................... 5

Pin Descriptions ......................................................................................................................... 6

Functional Description ............................................................................................................... 8

Clock Inputs ............................................................................................................................... 8

Clock Outputs ............................................................................................................................ 9

Termination of unused outputs ................................................................................................ 10

Power Supply Filtering............................................................................................................. 10

OE# and Output Enables (Control Register) ........................................................................... 10

OE# Assertion (Transition from ‘1’ to ‘0’) ................................................................................. 10

OE# De-

Assertion (Transition from ‘0’ to ‘1’) ........................................................................... 11

PWRGD / PWRDN# ................................................................................................................ 11

PWRDN# Assertion ................................................................................................................. 11

PWRGD Assertion ................................................................................................................... 11

Programming via SMBus ......................................................................................................... 13

SMBus Byte Read/Write .......................................................................................................... 13

SMBus Block Read/Write ........................................................................................................ 14

Register Map ........................................................................................................................... 16

AC and DC Electrical Characteristics ...................................................................................... 19

Absolute Maximum Ratings ..................................................................................................... 19

Current Consumption............................................................................................................... 19

DC Electrical Specification....................................................................................................... 20

Power Noise Tolerance ........................................................................................................... 20

PCIe Electrical Characteristics ................................................................................................ 21

Input Clock Requirements ....................................................................................................... 25

SMBus Electrical Characteristics............................................................................................. 26

Package Outline ...................................................................................................................... 28