9DMV0141BKILF datasheet(1/13 Pages) RENESAS

Part #	9DMV0141BKILF

Description	2:1 1.8V PCIe Gen1–5 Clock Mux

PDF	13 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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R31DS0040EU0300 December 15,

Description

The 9DMV0131B/9DMV0141B are 1.8V members of IDT’s

full-featured PCIe clock family. The 9DMV0131B uses external

series resistors for maximum flexibility, while the 9DMV0141B

integrates output terminations for direct connection to 100Ω

transmission lines. An OE# pin provides optimal system control

and power management. The parts provide asynchronous or

glitch-free switching modes.

PCIe Clocking Architectures

▪ Common Clocked (CC)

▪ Independent Reference (IR) with and without spread spectrum

Typical Applications

▪ Servers

▪ nVME drives

▪ Embedded systems/Industrial control

▪ High-performance computing

▪ Accelerators

Key Specifications

▪ Additive cycle-to-cycle jitter < 5ps

▪ Additive PCIe Gen5 phase jitter < 38fs RMS

▪ 156.25MHz additive phase jitter 130fs RMS typical (12kHz to

20MHz)

Features

▪ Direct connection to 100Ω loads saves 4 resistors

(9DMV0141B)

▪ External series resistors allow use in 85Ω or 100Ω systems

(9DMV0131B)

▪ 1.8V operation; 12mW typical power consumption

▪ Selectable asynchronous or glitch-free switching; allows the

mux to be selected at power up even if both inputs are not

running, then transition to glitch-free switching mode

▪ OE# pin for flexible power sequencing

▪ HCSL differential inputs

▪ Spread spectrum tolerant; allows reduction of EMI

▪ 1MHz to 200MHz operating frequency

▪ Configuration accomplished with strapping pins, no SMBus

needed

▪ Space-saving 3 × 3 mm 16-VFQFPN; minimal board space

Output Features

▪ 1 Low-Power HCSL (LP-HCSL) DIF pair

Block Diagram

A

B

EPAD/GND

GNDR x2

VDD1.8

VDDR1.8 x2

^OE0#

DIF_INA#

DIF_INA

DIF_INB#

DIF_INB

vSW_MODE

^SEL_A_B#

Resistors are internal on 9DMV0141

DIF0

DIF0#

9DMV0131B/9DMV0141B

Datasheet

2:1 1.8V PCIe Gen1–5

Clock Mux

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