Datasheet > MAX3690_V01

MAX3690_V01

更新时间： 2022-05-14 22:22:23

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
8页	444K
描述
3.3V, 622Mbps, SDH/SONET 8:1 Serializer with Clock Synthesis and TTL Inputs

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MAX3690_V01 数据手册

19-4774; Rev 2; 7/04

+3.3V, 622Mbps, SDH/SONET 8:1 Serializer

with Clock Synthesis and TTL Inputs

General Description

____________________________Features

The MAX3690 serializer is ideal for converting 8-bit-

wide, 77Mbps parallel data to 622Mbps serial data in

ATM and SDH/SONET applications. Operating from a

single +3.3V supply, this device accepts TTL clock and

data inputs, and delivers a 3.3V differential PECL serial-

data output. A fully integrated PLL synthesizes an inter-

nal 622MHz serial clock from a low-speed crystal

reference clock (77.76MHz, 51.84MHz, or 38.88MHz).

ꢀ Selectable Reference Clock Frequency:

77.76MHz, 51.84MHz, or 38.88MHz

ꢀ Single +3.3V Supply

ꢀ 77Mbps (8-bit) Parallel to 622Mbps Serial

Conversion

ꢀ Clock Synthesis for 622Mbps Serial Data

ꢀ 200mW Power

The MAX3690 is available in the extended-industrial

temperature range (-40°C to +85°C) in a 32-pin TQFP

package.

ꢀ TTL Parallel Clock and Data Inputs

ꢀ Differential 3.3V PECL Serial-Data Output

________________________Applications

622Mbps SDH/SONET Transmission Systems

622Mbps ATM/SONET Access Nodes

Add/Drop Multiplexers

Ordering Information

PART

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

32 TQFP

MAX3690ECJ

MAX3690ECJ+

32 TQFP

+Denotes lead-free package.

Digital Cross Connects

Pin Configuration appears at end of data sheet.

Typical Operating Circuit

= +3.3V

38.88MHz TTL CRYSTAL

REFERENCE

1µF

PCLKI

PD0

RCLK

CKSET

PD1

PD2

PD3

PD4

PD5

PD6

PD7

OVERHEAD

GENERATION

MAX3690

FIL+

FIL-

PCLKO

SD- SD+

GND

= +3.3V

130Ω

MAX3668

82Ω

THIS SYMBOL REPRESENTS A TRANSMISSION LINE

OF CHARACTERISTIC IMPEDANCE (Z = 50Ω).

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7 8

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