参数资料
型号: DS21Q348N
厂商: Maxim Integrated Products
文件页数: 13/76页
文件大小: 0K
描述: IC LIU T1/E1/J1 QUAD 3.3V 144BGA
标准包装: 90
类型: 线路接口装置(LIU)
规程: E1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 144-BBGA
供应商设备封装: 144-PBGA(17x17)
包装: 管件
DS21348/DS21Q348
20 of 76
NAME
PIN
I/O
FUNCTION
TEST
26
I
Tri-State Control. Set high to tri-state all outputs and I/O pins
(including the parallel control port). Set low for normal operation.
Useful in board-level testing.
TNEG
42
I
Transmit Negative Data. Sampled on the falling edge (CES = 0) or
the rising edge (CES = 1) of TCLK for data to be transmitted out
onto the line.
TPD
13
I
Transmit Power-Down
0 = normal transmitter operation
1 = powers down the transmitter and tri-states the TTIP and TRING
pins
TPOS
41
I
Transmit Positive Data. Sampled on the falling edge (CES = 0) or
the rising edge (CES = 1) of TCLK for data to be transmitted out
onto the line.
TTIP/TRING
34/37
O
Transmit Tip and Ring [TTIP and TRING]. Analog line driver
outputs. These pins connect via a step-up transformer to the line.
See Section 5 for details.
TX0/TX1
14/15
I
Transmit Data Source Select Bits 0 and 1 [H/W Mode]. These
inputs determine the source of the transmit data. See Table 2-9.
VDD
21/36
Positive Supply. 3.3V ±5%
VSM
20
I
Voltage Supply Mode. Should be tied low for 3.3V operation.
VSS
22/35
Signal Ground
Note: G.703 requires an accuracy of ±50ppm for both T1 and E1. TR62411 and ANSI specs require an accuracy of ±32ppm for
T1 interfaces.
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参数描述
DS21Q348NB 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21Q348-W 功能描述:网络控制器与处理器 IC RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21Q352 功能描述:网络控制器与处理器 IC 3.3/5V Quad T1/E1 Transceiver RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21Q352B 功能描述:网络控制器与处理器 IC 3.3/5V Quad T1/E1 Transceiver RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray
DS21Q352B+ 功能描述:网络控制器与处理器 IC 3.3/5V Quad T1/E1 Transceiver RoHS:否 制造商:Micrel 产品:Controller Area Network (CAN) 收发器数量: 数据速率: 电源电流(最大值):595 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:PBGA-400 封装:Tray