MAX9205, MAX9207 10-Bit, Bus LVDS Serializers

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The MAX9205/MAX9207 serializers transform 10-bit-wide parallel LVCMOS/LVTTL data into a serial high-speed bus low-voltage differential signaling (LVDS) data stream. The serializers typically pair with deserializers like the MAX9206*/MAX9208*, which receive the serial output and transform it back to 10-bit-wide parallel data.

The MAX9205/MAX9207 transmit serial data at speeds up to 400Mbps and 660Mbps, respectively, over PC board traces or twisted-pair cables. Since the clock is recovered from the serial data stream, clock-to-data and data-to-data skew that would be present with a parallel bus are eliminated.

The serializers require no external components and few control signals. The input data strobe edge is selected by TCLK_R/F. Active-low PWRDN is used to save power when the devices are not in use. Upon power-up, a synchronization mode is activated, which is controlled by two SYNC inputs, SYNC1 and SYNC2.

The MAX9205 can lock to a 16MHz to 40MHz system clock, while the MAX9207 can lock to a 40MHz to 66MHz system clock. The serializer output is held in high impedance until the device is fully locked to the local system clock, or when the device is in power-down mode.

Both the devices operate from a single +3.3V supply, are specified for operation from -40°C to +85°C, and are available in 28-pin SSOP packages.

Key Features

Applications/Uses

Standalone Serializer (vs. SerDes) Ideal for Unidirectional Links
Framing Bits for Deserializer Resync Allow Hot Insertion Without System Interruption
LVDS Serial Output Rated for Point-to-Point and Bus Applications
Wide Reference Clock Input Range
- 16MHz to 40MHz (MAX9205)
- 40MHz to 66MHz (MAX9207)
Low 140ps (pk-pk) Deterministic Jitter (MAX9207)
Low 34mA Supply Current (MAX9205)
10-Bit Parallel LVCMOS/LVTTL Interface
Up to 660Mbps Payload Data Rate (MAX9207)
Programmable Active Edge on Input Latch
Pin-Compatible Upgrades to DS92LV1021 and DS92LV1023

	Add/Drop Multiplexers
	Backplane and Interconnect Applications
	Cell Phone Base Stations
	Digital Cross-Connects
	DSLAM
	Network Routers and Switches

Key Specifications: High-Speed Interconnect (Differential Signaling)

Part Number

Features

Rx Signal Type

Tx Signal Type

Functions

Number of Rx

Number of Tx

Data Rates (Mbps)

Supply Voltage (V)

Random Jitter (max) (ps RMS)

Deterministic Jitter (max) (ps pp)

Output Transition Time (max) (ps)

ESD Protection (±kV)

RoHS Available

Industry Qualified

Package

Price^**

MAX9205

•	Programmable Active Edge on Input Latch

•	Standalone Serializer

CMOS
LVTTL

LVDS

•	Serializer

400

3.3

200

500

Yes

Automotive - AECQ100
Automotive - General

SSOP/28

$5.00 @ 1k

MAX9207

660

140

$5.20 @ 1k

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.