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SN74CB3T16211

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具有电平转换器的 3.3V、1:1 (SPST)、24 通道 FET 总线开关

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数据表

SN74CB3T16211

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米6体育平台手机版_好二三四详情

Configuration 1:1 SPST Number of channels 24 Power supply voltage - single (V) 2.5, 3.3 Protocols Analog Ron (typ) (Ω) 5 CON (typ) (pF) 13 ON-state leakage current (max) (µA) 20 Bandwidth (MHz) 100 Operating temperature range (°C) -40 to 85 Features Powered-off protection, Signal path translation Input/output continuous current (max) (mA) 128 Rating Catalog Drain supply voltage (max) (V) 3.6 Supply voltage (max) (V) 3.6
Configuration 1:1 SPST Number of channels 24 Power supply voltage - single (V) 2.5, 3.3 Protocols Analog Ron (typ) (Ω) 5 CON (typ) (pF) 13 ON-state leakage current (max) (µA) 20 Bandwidth (MHz) 100 Operating temperature range (°C) -40 to 85 Features Powered-off protection, Signal path translation Input/output continuous current (max) (mA) 128 Rating Catalog Drain supply voltage (max) (V) 3.6 Supply voltage (max) (V) 3.6
SSOP (DL) 56 190.647 mm² 18.42 x 10.35 TSSOP (DGG) 56 113.4 mm² 14 x 8.1 TVSOP (DGV) 56 72.32 mm² 11.3 x 6.4
  • Member of the Texas Instruments Widebus Family
  • Output Voltage Translation Tracks VCC
  • Supports Mixed-Mode Signal Operation on
    All Data I/O Ports
    • 5-V Input Down to 3.3-V Output Level
      Shift With 3.3-V VCC
    • 5-V/3.3-V Input Down to 2.5-V Output
      Level Shift With 2.5-V VCC
  • 5-V Tolerant I/Os With Device Powered Up
    or Powered Down
  • Bidirectional Data Flow With Near-Zero
    Propagation Delay
  • Low ON-State Resistance (ron) Characteristics
    (ron = 5 Ω Typ)
  • Low Input/Output Capacitance Minimizes
    Loading (Cio(OFF) = 5 pF Typ)
  • Data and Control Inputs Provide
    Undershoot Clamp Diodes
  • Low Power Consumption
    (ICC = 70 µA Max)
  • 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 250 mA Per JESD 17
  • ESD Performance Tested Per JESD 22
    • 2000-V Human-Body Model (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)
  • Supports Digital Applications: Level
    Translation, PCI Interface, Bus Isolation
  • Ideal for Low-Power Portable Equipment
  • Member of the Texas Instruments Widebus Family
  • Output Voltage Translation Tracks VCC
  • Supports Mixed-Mode Signal Operation on
    All Data I/O Ports
    • 5-V Input Down to 3.3-V Output Level
      Shift With 3.3-V VCC
    • 5-V/3.3-V Input Down to 2.5-V Output
      Level Shift With 2.5-V VCC
  • 5-V Tolerant I/Os With Device Powered Up
    or Powered Down
  • Bidirectional Data Flow With Near-Zero
    Propagation Delay
  • Low ON-State Resistance (ron) Characteristics
    (ron = 5 Ω Typ)
  • Low Input/Output Capacitance Minimizes
    Loading (Cio(OFF) = 5 pF Typ)
  • Data and Control Inputs Provide
    Undershoot Clamp Diodes
  • Low Power Consumption
    (ICC = 70 µA Max)
  • 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 250 mA Per JESD 17
  • ESD Performance Tested Per JESD 22
    • 2000-V Human-Body Model (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)
  • Supports Digital Applications: Level
    Translation, PCI Interface, Bus Isolation
  • Ideal for Low-Power Portable Equipment

The SN74CB3T16211 is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron), allowing for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O ports by providing voltage translation that tracks VCC. The SN74CB3T16211 supports systems using 5-V TTL, 3.3-V LVTTL, and 2.5-V CMOS switching standards, as well as user-defined switching levels.

The I/O port of this device has a pullup current source that maintains the output voltage at VCC when the device is ON, and the input is greater than or equal to VCC – 1. Because of the pullup current source, the output voltage level may be less than VCC when the operating frequency is low and the I/O port is connected to a pulldown resistor. In order to maintain the output voltage at VCC, a pullup resistor must be connected to VCC instead of a pulldown resistor to ground.

The SN74CB3T16211 is organized as two 12-bit bus switches with separate output-enable (1OE, 2OE) inputs. It can be used as two 12-bit bus switches or as one 24-bit bus switch. When OE is low, the associated 12-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE is high, the associated 12-bit bus switch is OFF, and a high-impedance state exists between the A and B ports.

This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off.

To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

The SN74CB3T16211 is a high-speed TTL-compatible FET bus switch with low ON-state resistance (ron), allowing for minimal propagation delay. The device fully supports mixed-mode signal operation on all data I/O ports by providing voltage translation that tracks VCC. The SN74CB3T16211 supports systems using 5-V TTL, 3.3-V LVTTL, and 2.5-V CMOS switching standards, as well as user-defined switching levels.

The I/O port of this device has a pullup current source that maintains the output voltage at VCC when the device is ON, and the input is greater than or equal to VCC – 1. Because of the pullup current source, the output voltage level may be less than VCC when the operating frequency is low and the I/O port is connected to a pulldown resistor. In order to maintain the output voltage at VCC, a pullup resistor must be connected to VCC instead of a pulldown resistor to ground.

The SN74CB3T16211 is organized as two 12-bit bus switches with separate output-enable (1OE, 2OE) inputs. It can be used as two 12-bit bus switches or as one 24-bit bus switch. When OE is low, the associated 12-bit bus switch is ON, and the A port is connected to the B port, allowing bidirectional data flow between ports. When OE is high, the associated 12-bit bus switch is OFF, and a high-impedance state exists between the A and B ports.

This device is fully specified for partial-power-down applications using Ioff. The Ioff feature ensures that damaging current will not backflow through the device when it is powered down. The device has isolation during power off.

To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
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技术文档

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类型 标题 下载最新的英语版本 日期
* 数据表 SN74CB3T16211 数据表 (Rev. C) 2012年 8月 17日
应用手册 选择正确的米6体育平台手机版_好二三四 (TI) 信号开关 (Rev. E) PDF | HTML 英语版 (Rev.E) PDF | HTML 2022年 8月 5日
应用手册 CBT-C、CB3T 和 CB3Q 信号开关系列 (Rev. C) PDF | HTML 英语版 (Rev.C) PDF | HTML 2022年 3月 11日
应用手册 多路复用器和信号开关词汇表 (Rev. B) 英语版 (Rev.B) PDF | HTML 2022年 3月 11日
应用简报 利用关断保护信号开关消除电源时序 (Rev. C) 英语版 (Rev.C) PDF | HTML 2021年 10月 21日
选择指南 Logic Guide (Rev. AB) 2017年 6月 12日
应用手册 How to Select Little Logic (Rev. A) 2016年 7月 26日
应用手册 Understanding and Interpreting Standard-Logic Data Sheets (Rev. C) 2015年 12月 2日
选择指南 逻辑器件指南 2014 (Rev. AA) 最新英语版本 (Rev.AB) 2014年 11月 17日
用户指南 LOGIC Pocket Data Book (Rev. B) 2007年 1月 16日
应用手册 选择正确的电平转换解决方案 (Rev. A) 英语版 (Rev.A) 2006年 3月 23日
更多文献资料 Digital Bus Switch Selection Guide (Rev. A) 2004年 11月 10日
应用手册 Semiconductor Packing Material Electrostatic Discharge (ESD) Protection 2004年 7月 8日
用户指南 Signal Switch Data Book (Rev. A) 2003年 11月 14日
应用手册 Bus FET Switch Solutions for Live Insertion Applications 2003年 2月 7日

设计和开发

如需其他信息或资源，请点击以下任一标题进入详情页面查看（如有）。

仿真模型

HSPICE Model for SN74CB3T16211

SCDJ036.ZIP (118 KB) - HSpice Model
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仿真模型

SN74CB3T16211 IBIS Model

SCDM096.ZIP (28 KB) - IBIS Model
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封装 引脚 CAD 符号、封装和 3D 模型
SSOP (DL) 56 Ultra Librarian
TSSOP (DGG) 56 Ultra Librarian
TVSOP (DGV) 56 Ultra Librarian
应遵守 TI 评估类商品的标准条款与条件。

订购和质量

包含信息：
  • RoHS
  • REACH
  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
  • MTBF/时基故障估算
  • 材料成分
  • 鉴定摘要
  • 持续可靠性监测
包含信息：
  • 制造厂地点
  • 封装厂地点

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