SN74CBT16214C_TI 具有 –2V 下冲保护功能的 5V、3:1、12 通道通用模拟多路复用器

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 –2V 下冲保护功能的 5V、3:1、12 通道通用模拟多路复用器
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SN74CBT16214C的产品详情：

The SN74CBT16214C is a high-speed TTL-compatible FET multiplexer/demultiplexer with low ON-state resistance (r_on), allowing for minimal propagation delay. Active Undershoot-Protection Circuitry on the A and B ports of the SN74CBT16214C provides protection for undershoot up to –2 V by sensing an undershoot event and ensuring that the switch remains in the proper OFF state.

The SN74CBT16214C is a 12-bit 1-of-3 multiplexer/demultiplexer. The select (S0, S1, S2) inputs control the data path of each multiplexer/demultiplexer. When the multiplexer/demultiplexer is enabled, the A port is connected to the B port, allowing bidirectional data flow between ports. When the multiplexer/demultiplexer is disabled, a high-impedance state exists between the A and B ports.

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

To ensure the high-impedance state during power up or power down, each select input should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sourcing capability of the driver.

SN74CBT16214C的优势和特性：

Member of the Texas Instruments Widebus? Family
Undershoot Protection for Off-Isolation on A and B Ports Up to –2 V
Bidirectional Data Flow, With Near-Zero Propagation Delay
Low On-State Resistance (ron) Characteristics (ron = 3 Typical)
Low Input/Output Capacitance Minimizes Loading and Signal Distortion (Cio(OFF) = 5.5 pF Typical)
Data and Control Inputs Provide Undershoot Clamp Diodes
Low Power Consumption (ICC = 3 μA Max)
VCC Operating Range From 4 V to 5.5 V
Data I/Os Support 0 to 5-V Signaling Leveles (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
TTL-Compatible Control Inputs
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: PCI Interface, USB Interface, Bus Isolation, Low-Distortion Signal Gating

Widebus is a trademark of Texas Instruments.

SN74CBT16214C的参数（英文）：

Configuration
3:1
Number of channels (#)
12
Power supply voltage - single (V)
5
Protocols
Analog
Ron (Typ) (Ohms)
3
CON (Typ) (pF)
18
Bandwidth (MHz)
200
Operating temperature range (C)
-40 to 85
Features
Powered-off protection, Undershoot protection
Input/output continuous current (Max) (mA)
128
Rating
Catalog

SN74CBT16214C具体的完整产品型号参数及价格（美元）：

SN74CBT16214C的完整型号有：SN74CBT16214CDGGR、SN74CBT16214CDL、SN74CBT16214CDLR，以下是这些产品的关键参数及官网采购报价：

SN74CBT16214CDGGR，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SN74CBT16214CDGGR的批量USD价格：.654（1000+）

SN74CBT16214CDL，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SN74CBT16214CDL的批量USD价格：.883（1000+）

SN74CBT16214CDLR，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SN74CBT16214CDLR的批量USD价格：.752（1000+）

SN74CBT16214C的评估套件：

SN74CBT16214C的电路图解：

SN74CBT16214C的评估套件：