SN74CB3Q16244 - 16 位 FET 总线开关，2.5V/3.3V 低压高带宽总线开关

SN74CB3Q16244是TI德州仪器公司的一款数字开关产品，SN74CB3Q16244是16 位 FET 总线开关，2.5V/3.3V 低压高带宽总线开关，本站介绍了SN74CB3Q16244的封装应用图解、特点和优点、功能等，并给出了与SN74CB3Q16244相关的TI元器件型号供参考。

SN74CB3Q16244 - 16 位 FET 总线开关，2.5V/3.3V 低压高带宽总线开关 - 数字开关 - 信号开关 - 德州仪器

产品特性

High-Bandwidth Data Path (Up to 500 MHz)(1)(1)
5-V Tolerant I/Os With Device Powered Up or Powered Down
Low and Flat ON-State Resistance (ron) Characteristics Over Operating Range (ron= 5 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) = 4 pF Typical)
Fast Switching Frequency (fOE = 20 MHz Maximum)
Data and Control Inputs Provide Undershoot Clamp Diodes
Low Power Consumption (ICC = 1 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 and 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 (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).

2 Applications

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 SN74CB3Q16244 device is a high-bandwidth FET bus switch using a charge pump to elevate the gate voltage of the pass transistor, providing a low and flat ON-state resistance (ron). The low and flat ON-state resistance allows for minimal propagation delay and supports rail-to-rail switching on the data input/output (I/O) ports. The SN74CB3Q16244 device also features low data I/O capacitance to minimize capacitive loading and signal distortion on the data bus. Specifically designed to support high-bandwidth applications, the SN74CB3Q16244 device provides an optimized interface solution ideally suited for broadband communications, networking, and data-intensive computing systems.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
SN74CB3Q16244DGG	TSSOP (48)	12.50 mm × 6.10 mm
SN74CB3Q16244DGV	TVSOP (48)	9.70 mm × 4.40 mm
SN74CB3Q16244DL	SSOP (48)	15.88 mm × 7.49 mm

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