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SN74CB3T16211的基本参数
  • 制造厂商：TI
  • 产品类别：开关与多路复用器
  • 技术类目：模拟开关和多路复用器
  • 功能描述：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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SN74CB3T16211的产品详情：

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.

SN74CB3T16211的优势和特性：
  • 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

SN74CB3T16211的参数（英文）：
  • Configuration
  • 1:1 SPST
  • Number of channels (#)
  • 24
  • Power supply voltage - single (V)
  • 2.5, 3.3
  • Protocols
  • Analog
  • Ron (Typ) (Ohms)
  • 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
SN74CB3T16211具体的完整产品型号参数及价格（美元）：

SN74CB3T16211的完整型号有：SN74CB3T16211DGGR、SN74CB3T16211DGVR、SN74CB3T16211DL、SN74CB3T16211DLR，以下是这些产品的关键参数及官网采购报价：

SN74CB3T16211DGGR，工作温度：-40 to 85，封装：TSSOP (DGG)-56，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74CB3T16211DGGR的批量USD价格：1.012（1000+）

SN74CB3T16211DGVR，工作温度：-40 to 85，封装：TVSOP (DGV)-56，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74CB3T16211DGVR的批量USD价格：1.012（1000+）

SN74CB3T16211DL，工作温度：-40 to 85，封装：SSOP (DL)-56，包装数量MPQ：20个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74CB3T16211DL的批量USD价格：1.316（1000+）

SN74CB3T16211DLR，工作温度：-40 to 85，封装：SSOP (DL)-56，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74CB3T16211DLR的批量USD价格：1.113（1000+）

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SN74CB3T16211的评估套件：

SN74CB3T16211DGGR，工作温度：-40 to 85，封装：TSSOP (DGG)-56，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74CB3T16211DGGR的批量USD价格：1.012（1000+）

SN74CB3T16211DGVR，工作温度：-40 to 85，封装：TVSOP (DGV)-56，包装数量MPQ：2000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74CB3T16211DGVR的批量USD价格：1.012（1000+）

SN74CB3T16211DL，工作温度：-40 to 85，封装：SSOP (DL)-56，包装数量MPQ：20个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74CB3T16211DL的批量USD价格：1.316（1000+）

SN74CB3T16211DLR，工作温度：-40 to 85，封装：SSOP (DL)-56，包装数量MPQ：1000个，MSL 等级/回流焊峰值温度：Level-1-260C-UNLIM，引脚镀层/焊球材料：NIPDAU，TI官网SN74CB3T16211DLR的批量USD价格：1.113（1000+）

SN74CB3T16211的电路图解：
    • SN74CB3T16211的评估套件：
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