SN74CBT16244C_TI 具有 –2V 下冲保护和 2 个控制输入的 5V、1:1 (SPST)、16 通道、通用 FET 总线开关

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 下冲保护和 2 个控制输入的 5V、1:1 (SPST)、16 通道、通用 FET 总线开关
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SN74CBT16244C的产品详情：

The SN74CBT16244C is a high-speed TTL-compatible FET bus switch with low ON-state resistance (r_on), allowing for minimal propagation delay. Active Undershoot-Protection Circuitry on the A and B ports of the SN74CBT16244C 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 SN74CBT16244C is organized as four 4-bit bus switches with separate output-enable (1OE\, 2OE\, 3OE\, 4OE\) inputs. It can be used as four 4-bit bus switches, two 8-bit bus switches, or as one 16-bit bus switch. When OE\ is low, the associated 4-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 4-bit bus switch is OFF, and the 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, OE\ should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

SN74CBT16244C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 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: PCI Interface, USB Interface, Memory Interleaving, Bus Isolation, Low-Distortion Signal Gating

Widebus is a trademark of Texas Instruments.

SN74CBT16244C的参数（英文）：

Configuration
1:1 SPST
Number of channels (#)
16
Power supply voltage - single (V)
5
Protocols
Analog
Ron (Typ) (Ohms)
3
CON (Typ) (pF)
14
ON-state leakage current (Max) (μA)
10
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

SN74CBT16244C具体的完整产品型号参数及价格（美元）：

SN74CBT16244C的完整型号有：SN74CBT16244CDGGR、SN74CBT16244CDGVR、SN74CBT16244CDL、SN74CBT16244CDLR，以下是这些产品的关键参数及官网采购报价：

SN74CBT16244CDGGR，工作温度：-40 to 85，封装：TSSOP (DGG)-48，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SN74CBT16244CDGGR的批量USD价格：.606（1000+）

SN74CBT16244CDGVR，工作温度：-40 to 85，封装：TVSOP (DGV)-48，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SN74CBT16244CDGVR的批量USD价格：.606（1000+）

SN74CBT16244CDL，工作温度：-40 to 85，封装：SSOP (DL)-48，包装数量MPQ：25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SN74CBT16244CDL的批量USD价格：.699（1000+）

SN74CBT16244CDLR，工作温度：-40 to 85，封装：SSOP (DL)-48，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SN74CBT16244CDLR的批量USD价格：.606（1000+）

SN74CBT16244C的评估套件：

SN74CBT16244C的电路图解：

SN74CBT16244C的评估套件：