参数资料
型号: XRT8001ID-F
厂商: Exar Corporation
文件页数: 1/48页
文件大小: 0K
描述: IC WAN T1/E1 DUAL 18SOIC
标准包装: 20
类型: 时钟/频率发生器
PLL:
主要目的: 以太网(WAN),T1/E1
输入: 时钟
输出: 时钟
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 无/无
频率 - 最大: 16.384kHz
电源电压: 3.3 V ~ 5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 18-SOIC(0.295",7.50mm 宽)
供应商设备封装: 18-SOIC
包装: 管件
其它名称: 1016-1358-5
EXAR Corporation, 48720 Kato Road, Fremont, CA 94538
(510) 668-7000 FAX (510) 668-7017 www.exar.com
Rev. 1.01
XRT8001
WAN Clock for T1 and E1 Systems
October 2001-1
GENERAL DESCRIPTION
The XRT8001 WAN Clock is a dual-phase-locked loop
chip that generates two very low jitter output clock
signals that can be used for synchronization clocks in
wide area networking systems. The XRT8001 has pre-
programmed multipliers and dividers that are selected
via the serial port. It generates two integer multiples of
8kHz, 56kHz, and 64kHz while locked onto an incom-
ing reference of 1.54MHz (T1), 2.048MHz (E1), 8kHz,
56kHz, or 64kHz
The XRT8001 WAN Clock can be configured to oper-
ate in one of six modes:
1.
The Forward/Master Mode
2.
The Reverse/Master Mode
3.
The “Fractional T1/E1" Reverse/Master Mode
4.
The “E1 to T1 - Forward/Master" Mode
5.
The “High Speed - Reverse" Mode
6.
The “Slave” Mode
FEATURES
Dual Phased Locked Loops with
Pre-Programmed Multipliers and Dividers
Pre-ProgrammedwithPopularFrequency
Conversions for Communications Systems
Part Number
Package
Operating Temperature Range
XRT8001IP
18-Lead 300 Mil PDIP
-40
°C to +85°C
XRT8001ID
18-Lead 300 Mil JEDEC SOIC
-40
°C to +85°C
ORDERING INFORMATION
Reference Clock
8kHz to 16.384 MHz
Sync Out
8kHz or 64kHz
Master/Slave
Clock Output 1
Clock Output 2
PLL Lock Detect
C/P Serial I/O
FIN
SYNC
MSB
CLK1
CLK2
LOCKDET
XRT8001
3
2
8
6
13
11
SCLK
SDI
SDO
CS
3.3V or 5V
CC
V
Figure 1. System Diagram
Generates Output Clock Frequencies Ranging
From 8kHz up to 16.384MHz
Serial Port Control for Optimal Performance
Sync Output: 8kHz or 64kHz
Low Jitter
Cascadable (Master / Slave Modes)
NoExternalComponentsNeeded
Pin Compatible with the XRT8000
Low Power (3.3V or 5V): 40 - 100mW
- 40°C to +85°C Temperature Range
18-Lead PDIP or SOIC Packages
APPLICATIONS
T1/E1 Access Equipment (DSU/CSU)
Frame Relay Access Devices (FRAD)
Basic Rate and Primary Rate ISDN Equipment
ISDNRouters
Terminals
Remote Access Servers
T1/E1Concentrators
T1/E1 Multiplexers
T1/E1 Clock Rate Converters
Internal Timing Generators
System Synchronizers
相关PDF资料
PDF描述
XRT8000ID-F IC WAN CLOCK E1/E1 DUAL 18SOIC
D38999/24FH53SA CONN RCPT 53POS JAM NUT W/SCKT
VE-BW0-MW-F2 CONVERTER MOD DC/DC 5V 100W
MS3110F22-55SY CONN RCPT 55POS WALL MNT W/SCKT
VE-BW0-MW-F1 CONVERTER MOD DC/DC 5V 100W
相关代理商/技术参数
参数描述
XRT8001ID-F 制造商:Exar Corporation 功能描述:WAN Clock IC
XRT8001IDTR-F 功能描述:锁相环 - PLL RoHS:否 制造商:Silicon Labs 类型:PLL Clock Multiplier 电路数量:1 最大输入频率:710 MHz 最小输入频率:0.002 MHz 输出频率范围:0.002 MHz to 808 MHz 电源电压-最大:3.63 V 电源电压-最小:1.71 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:QFN-36 封装:Tray
XRT8001IP 制造商:EXAR 制造商全称:EXAR 功能描述:WAN Clock for T1 and E1 Systems
XRT8001IP-F 功能描述:锁相环 - PLL RoHS:否 制造商:Silicon Labs 类型:PLL Clock Multiplier 电路数量:1 最大输入频率:710 MHz 最小输入频率:0.002 MHz 输出频率范围:0.002 MHz to 808 MHz 电源电压-最大:3.63 V 电源电压-最小:1.71 V 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:QFN-36 封装:Tray
XRT8010 制造商:EXAR 制造商全称:EXAR 功能描述:312MHZ CLOCK & CRYSTAL MULTIPLIER WITH LVDS OUTPUTS