参数资料
型号: DS3254N+
厂商: Maxim Integrated Products
文件页数: 32/71页
文件大小: 0K
描述: IC LIU DS3/E3/STS-1 144-CSBGA
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 160
类型: 线路接口装置(LIU)
驱动器/接收器数: 4/4
规程: IEEE 1149.1
电源电压: 3.135 V ~ 3.465 V
安装类型: 表面贴装
封装/外壳: 144-BGA,CSPBGA
供应商设备封装: 144-TECSBGA(13x13)
包装: 托盘
DS3251/DS3252/DS3253/DS3254
38 of 71
Early Termination of Bus Transactions. The bus master can terminate SPI bus transactions at any time by
pulling
CS high. In response to early terminations, the DS325x resets its SPI interface logic and waits for the start
of the next transaction. If a write transaction is terminated prior to the SCLK edge that latches the LSB of a data
byte, the current data byte is not written.
Design Option: Wiring SDI and SDO Together. Because communication between the bus master and the
DS325x is half-duplex, the SDI and SDO pins can be wired together externally to reduce wire count. To support
this option, the bus master must not drive the SDI/SDO line when the DS325x is transmitting.
AC Timing. See Table 17-I and Figure 17-5 for AC timing specifications for the SPI interface.
Figure 15-1. SPI Clock Polarity and Phase Options
MSB
LSB
65
4
3
21
CS
SCK
SDI/SDO
CLOCK EDGE USED FOR DATA CAPTURE (ALL MODES)
CPOL = 0, CPHA = 0
CPOL = 0, CPHA = 1
CPOL = 1, CPHA = 0
CPOL = 1, CPHA = 1
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DS3254NA3 制造商:Maxim Integrated Products 功能描述:QUAD ENH DS3/E3 LIU REV A3 IND - Rail/Tube
DS3256 功能描述:网络控制器与处理器 IC X6 T3/E3 Line Interface Unit 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
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