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参数资料
型号： DS26303LN-75+
厂商： Maxim Integrated Products
文件页数： 31/101页
文件大小： 0K
描述： IC LIU E1/T1/J1 3.3V 144-ELQFP
产品培训模块： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装： 13
类型： 线路接口装置（LIU）
驱动器/接收器数： 8/8
规程： T1/E1/J1
电源电压： 3.135 V ~ 3.465 V
安装类型： 表面贴装
封装/外壳： 144-LQFP 裸露焊盘
供应商设备封装： 144-LQFP 裸露焊盘
包装： 托盘
DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
35 of 101
Register Name:
TST
Register Description:
Template Select Transceiver Register
Register Address:
10h
Bit #
7
6
5
4
3
2
1
0
Name
—
TST2
TST1
TST0
Default
0
Bits 2 to 0: TST Template Select Transceiver [2:0] (TST [2:0]).
TST[2:0] is used to select the transceiver that the
transmit template select register (hex 11) applies to. See Table 5-10.
Table 5-10. TST Template Select Transceiver Register
TST[2:0]
CHANNEL
TST[2:0]
CHANNEL
000
1
100
5
001
2
101
6
010
3
110
7
011
4
111
8
Register Name:
TS
Register Description:
Template Select Register
Register Address:
11h
Bit #
7
6
5
4
3
2
1
0
Name
RIMPOFF
TIMPOFF
—
TIMPRM
TS2
TS1
TS0
Default
0
—
0
Bit 7: Receive Impedance Match Off (RIMPOFF).
If this bit is set, all the receive impedance match is turned off.
Bit 6: Transmit Impedance Termination Off (TIMPOFF).
If this bit is set, all the internal transmit terminating
impedance is turned off.
Bit 3: Transmit Impedance Receive Match (TIMPRM).
This bit selects the internal transmit termination
impedance and receive impedance match for E1 mode and T1/J1 mode. Note: If the part number ends with –120,
then the default is 120
Ω and 75Ω when set for El mode only.
DEVICE
BIT SETTING
E1 MODE (
Ω)
T1 MODE (
Ω)
DS26303L-120
0
120
100
DS26303L-120
1
75
110
DS26303L-75
0
75
100
DS26303L-75
1
120
110
Bits 2 to 0: Template Selection [2:0] (TS[2:0]).
Bits TS[2:0] are used to select E1 or T1/J1 mode, the template,
and the settings for various cable lengths. The impedance termination for the transmitter and impedance match for
the receiver are specified by bit TIMPRM. See Table 5-11 for bit selection of TS[2:0].
Table 5-11. Template Selection
TS[2:0]
LINE LENGTH
CABLE LOSS
(dB)
IMPEDANCE (
Ω)1
OPERATION MODE
011
0–133ft. ABAM
0.6
100/110
T1/J1
100
133–266ft. ABAM
1.2
100/110
T1
101
266–399ft. ABAM
1.8
100/110
T1
110
399–533ft. ABAM
2.4
100/110
T1
111
533–655ft. ABAM
3.0
100/110
T1
000
G.703 coaxial and twisted pair cable
75/120
E1
001 and 010
Reserved
—
1
See TIMPRM bit in SWM or TIMPRM pin in HWM for transmit impedance and receive match selection.
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相关代理商/技术参数
参数描述
DS26303LN-75+ 功能描述:电信线路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
DS26303LN-75+A3 功能描述:电信线路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
DS26303LN-75A3 功能描述:电信线路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 产品:PHY 接口类型:UART 电源电压-最大:18 V 电源电压-最小:8 V 电源电流:30 mA 最大工作温度:+ 85 C 最小工作温度:- 40 C 安装风格:SMD/SMT 封装 / 箱体:VFQFPN-48 封装:Tray
DS26303LN-XXX 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
DS26303LN-XXX+ 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit
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