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  Microsemi Electronic Components Datasheet  

ZL40292 Datasheet

20-Output DB2000Q Buffer

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Data Sheet
ZL40292
20-Output DB2000Q Buffer with Ultra Low Additive Jitter
Features
Fully Compliant with Intel DB2000Q Specification
20 Low-Power Push-Pull HCSL PCIe Outputs
Ultra-low additive jitter: 20fs maximum
Supports clock frequencies from 0 to 250MHz
Supports 3.3V power supplies
Embedded Low Drop Out (LDO) Voltage regulator
provides superior Power Supply Noise Rejection
Maximum output to output skew of 50ps
SMBus Interface
Eight OE pins
Ordering Information
ZL40292LDG1
ZL40292LDF1
72 pin QFN Trays
72 pin QFN Tape and Reel
Package size: 10 x 10 mm
-40C to +85C
Applications
PCI Express generation 1/2/3/4/5 clock distribution
Intel QPI
Servers
Storage and Data Centers
Switches and Routers
Embedded series terminations adjusted for 85
differential transmission line
Transparent for Spread-Spectrum Clock
VDD VDD_A
CLK_IN
CLK_IN#
SA_0
SA_1
SDA
SCL
PWRGD/PWRDN#
OE#[12:5]
RFU
CK[19:0]
Control
Logic
R_COMP
GND GND_A
March 2019
© 2019 Microsemi Corporation
Figure 1. Functional Block Diagram
ZL40292
1


  Microsemi Electronic Components Datasheet  

ZL40292 Datasheet

20-Output DB2000Q Buffer

No Preview Available !

Table of Contents
Data Sheet
ZL40292
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
DC Electrical Specification....................................................................................................... 20
AC Electrical Specification....................................................................................................... 22
SMBus Electrical Characteristics............................................................................................. 25
Package Outline ...................................................................................................................... 27
March 2019
© 2019 Microsemi Corporation
ZL40292
2


Part Number ZL40292
Description 20-Output DB2000Q Buffer
Maker Microsemi
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ZL40292 Datasheet PDF






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