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SN74CB3Q3257 - 产品图解:
SN74CB3Q3257-4 位 2 选 1 FET 多路复用器/多路解复用器,2.5V/3.3V 低压高带宽总线开关
SN74CB3Q3257-数字多路复用器/多路解复用器-多路复用器/多路解复用器(Mux/Demux)-开关和多路复用器
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TI产品 - SN74CB3Q3257介绍
SN74CB3Q3257 - 4 位 2 选 1 FET 多路复用器/多路解复用器,2.5V/3.3V 低压高带宽总线开关

SN74CB3Q3257是TI公司的一款数字多路复用器/多路解复用器产品,SN74CB3Q3257是4 位 2 选 1 FET 多路复用器/多路解复用器,2.5V/3.3V 低压高带宽总线开关,本页介绍了SN74CB3Q3257的产品说明、应用、特性等,并给出了与SN74CB3Q3257相关的TI元器件型号供参考。

SN74CB3Q3257 - 4 位 2 选 1 FET 多路复用器/多路解复用器,2.5V/3.3V 低压高带宽总线开关 - 数字多路复用器/多路解复用器 - 多路复用器/多路解复用器(Mux/Demux) - TI公司(Texas Instruments,德州仪器)

产品特性
  • High-Bandwidth Data Path (up to 500 MHz)
  • 5-V Tolerant I/Os With Device Powered Up or Powered Down
  • Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron= 4 Ω Typical)
  • Rail-to-Rail Switching on Data I/O Ports
    • 0- to 5-V Switching With 3.3-V VCC
    • 0- to 3.3-V Switching With 2.5-V VCC
  • Bidirectional Data Flow With Near-Zero Propagation Delay
  • Low Input and Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 3.5 pF Typical)
  • Fast Switching Frequency (fOE = 20 MHz Maximum)
  • Data and Control Inputs Provide Undershoot Clamp Diodes
  • Low Power Consumption (ICC = 0.7 mA Typical)
  • VCC Operating Range From 2.3 V to 3.6 V
  • Data I/Os Support 0- to 5-V Signaling Levels (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, 5 V)
  • Control Inputs Can Be Driven by TTL or 5-V/3.3-V CMOS Outputs
  • Ioff Supports Partial-Power-Down Mode Operation
  • Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II
  • ESD Performance Tested Per JESD 22
    • 2000-V Human Body Model (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)
  • Supports Both Digital and Analog Applications: USB Interface, Differential Signal Interface, Bus Isolation, Low-Distortion Signal Gating (1)
(1) For additional information regarding the performance characteristics of the CB3Q family, refer to the TI application report, CBT-C, CB3T, and CB3Q Signal-Switch Families, SCDA008.
产品应用
  • IP Phones: Wired and Wireless
  • Optical Modules
  • Optical Networking: Video Over Fiber and EPON
  • Private Branch Exchange (PBX)
  • WiMAX and Wireless Infrastructure Equipment
产品说明

The SN74CB3Q3257 device is a high-bandwidth FET bus switch utilizing a charge pump to elevate the gate voltage of the pass transistor, providing a low and flat ON-state resistance (ron).

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
SN74CB3Q3257DSOIC (16)9.90 mm × 3.91 mm
SN74CB3Q3257DBSSOP (6)6.20 mm × 5.30 mm
SN74CB3Q3257DGVTVSOP (16)3.60 mm × 4.40 mm
SN74CB3Q3257DBQSSOP (16)4.90 mm × 3.90 mm
SN74CB3Q3257PWTSSOP (16)5.00 mm × 4.40 mm
SN74CB3Q3257RGYVQFN (16)4.00 mm × 3.50 mm
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