MAX9312, MAX9314 Dual 1:5 Differential LVPECL/LVECL/HSTL Clock and Data Drivers

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The MAX9312/MAX9314 are low skew, dual 1-to-5 differential drivers designed for clock and data distribution. These devices accept two inputs. Each input is reproduced at five differential outputs. The differential inputs can be adapted to accept single-ended inputs by connecting the on-chip V_BB supply to one input as a reference voltage.

The MAX9312/MAX9314 feature low part-to-part skew (30ps) and output-to-output skew (12ps), making them ideal for clock and data distribution across a backplane or a board. For interfacing to differential HSTL and LVPECL signals, these devices operate over a +2.25V to +3.8V supply range, allowing high-performance clock or data distribution in systems with a nominal +2.5V or +3.3V supply. For differential LVECL operation, these devices operate from a -2.25V to -3.8V supply.

The MAX9312 features an on-chip V_BB reference output of 1.425V below the positive supply voltage. The MAX9314 offers an on-chip V_BB reference output of 1.32V below the positive supply voltage.

Both devices are offered in space-saving, 32-pin 5mm x 5mm TQFP, 5mm x 5mm QFN, and industry-standard 32-pin 7mm x 7mm TQFP packages.

Key Features

Applications/Uses

+2.25V to +3.8V Differential HSTL/LVPECL Operation
-2.25V to -3.8V Differential LVECL Operation
30ps (typ) Part-to-Part Skew
12ps (typ) Output-to-Output Skew
312ps (typ) Propagation Delay
> 300mV Differential Output at 3GHz
On-Chip Reference for Single-Ended Inputs
Output Low with Open Input
Pin Compatible with MC100LVEP210 (MAX9312) and MC100EP210 (MAX9314)
Offered in Tiny QFN* Package (70% Smaller Footprint than LQFP)

	Low-Jitter Data Repeater
	Precision Clock Distribution

Key Specifications: High-Speed Interconnect (Differential Signaling)

Part Number

Features

Rx Signal Type

Tx Signal Type

Functions

Number of Rx

Number of Tx

Propagation Delay (max) (ps)

Supply Voltage (V)

Random Jitter (max) (ps RMS)

Deterministic Jitter (max) (ps pp)

Channel-to-Channel Skew (max) (ps)

Output Transition Time (max) (ps)

ESD Protection (±kV)

RoHS Available

Package

Smallest Available Package (max w/pins) (mm²)

Price^**

MAX9312

•	Fail-Safe Inputs

HSTL
LVECL
LVPECL

LVECL
LVPECL

•	Fan-Out Buffer

400

3.3

2.6

140

Yes

LQFP/32
THIN QFN/32

$5.24 @ 1k

MAX9314

See Data Sheet

See All High-Speed Interconnect (Differential Signaling) (131)

Notes:
^**This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.