ZL40292LDG1

Data Sheet ZL40292 20-Output DB2000Q Buffer with Ultra Low Additive Jitter Ordering Information Features ZL40292LDG1 72 pin QFN Trays Fully Compliant with Intel DB2000Q Specification ZL40292LDF1 72 pin QFN Tape and Reel 20 Low-Power Push-Pull HCSL PCIe Outputs Package size: 10 x 10 mm Ultra-low additive jitter: 20fs maximum -40 C to +85 C Supports clock frequencies from 0 to 250MHz Applications Supports 3.3V power supplies PCI Express generation 1/2/3/4/5 clock distribution Embedded Low Drop Out (LDO) Voltage regulator Intel QPI provides superior Power Supply Noise Rejection Servers Maximum output to output skew of 50ps Storage and Data Centers SMBus Interface Switches and Routers Eight OE pins Embedded series terminations adjusted for 85 differential transmission line Transparent for Spread-Spectrum Clock VDD VDD A CLK IN CK 19:0 CLK IN SA 0 SA 1 SDA Control SCL Logic PWRGD/PWRDN OE 12:5 RFU GND A GND R COMP Figure 1. Functional Block Diagram ZL40292 March 2019 1 2019 Microsemi Corporation Data Sheet ZL40292 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 DC Electrical Specification ....................................................................................................... 20 AC Electrical Specification ....................................................................................................... 22 SMBus Electrical Characteristics ............................................................................................. 25 Package Outline ...................................................................................................................... 27 ZL40292 March 2019 2 2019 Microsemi Corporation