参数资料
型号: 78P2352-IGT/F
厂商: Maxim Integrated Products
文件页数: 13/42页
文件大小: 0K
描述: IC LIU SDH SONET 2CH 128-LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 90
类型: 线路接口装置(LIU)
驱动器/接收器数: 2/2
规程: E4,OC-3,STM1-E
电源电压: 3.15 V ~ 3.45 V
安装类型: 表面贴装
封装/外壳: 128-LQFP 裸露焊盘
供应商设备封装: 128-LQFP-EP(14x14)
包装: 管件
78P2352
Dual Channel
OC-3/ STM1-E/ E4 LIU
Page: 20 of 42
2006 Teridian Semiconductor Corporation
Rev. 2.4
PIN DESCRIPTION (CONTINUED)
CONTROL PINS (continued)
NAME
PIN
TYPE
DESCRIPTION
TXOUT1
1
CIT
Advanced Tx Control 1:
Low: Enables fixed LVPECL equalizer at the transmit inputs SIDP/N for
FR4 trace lengths up to 1.5m.
Float: Normal operation
High: Normal operation
TXOUT0
2
CIT
Advanced Tx Control 0:
Low: Nominal amplitude
Float: 5% amplitude boost
High: 10% amplitude boost
TXPD
14
CID
Transmitter Power Down:
When high, powers down and tr-states the transmitt driver on both channels.
SPSL
77
CID
Serial Port Selection:
When high, chip is software controlled through the serial port.
CKSL
81
CIT
Reference Clock Frequency Selection:
Selects the reference frequency that is supplied at the CKREFP/N pins. Its
level is read in only at power-up or on the rising edge of a reset signal at the
PORB pin.
Low: 19.44MHz or 17.408MHz
Float: 77.76MHz
High: 155.52MHz or 139.264MHz
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