SN54LVC257A - 具有三态输出的四路 2 线路到 1 线路数据选择器/多路复用器

SN54LVC257A是TI德州仪器公司的一款解码器/编码器/多路复用器产品，SN54LVC257A是具有三态输出的四路 2 线路到 1 线路数据选择器/多路复用器，本站介绍了SN54LVC257A的封装应用图解、特点和优点、功能等，并给出了与SN54LVC257A相关的TI元器件型号供参考。

SN54LVC257A - 具有三态输出的四路 2 线路到 1 线路数据选择器/多路复用器 - 解码器/编码器/多路复用器 - 特殊逻辑 - 德州仪器

产品特性

Operate From 1.65 V to 3.6 V
Inputs Accept Voltages to 5.5 V
Maximum tpd of 4.6 ns at 3.3 V
Typical VOLP (Output Ground Bounce) <0.8 V at VCC = 3.3 V, TA = 25°C
Typical VOHV (Output VOH Undershoot) >2 V at VCC = 3.3 V, TA = 25°C
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
On Products Compliant to MIL-PRF-38535, All Parameters Are Tested Unless Otherwise Noted. On All Other Products, Production Processing Does Not Necessarily Include Testing of All Parameters.

产品应用

Cable Modem Termination Systems
Tests and Measurements
I/O Expanders
Motor Drivers
Network Switches
Servers
Telecom Infrastructure

产品说明

These quadruple 2-line to 1-line data selectors and multiplexers are designed for 1.65-V to 3.6-V VCC operation.

The SNx4LVC257A devices are designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems. The 3-state outputs do not load the data lines when the output-enable (OE) input is at a high logic level.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators in a mixed 3.3-V or 5-V system environment.

产品器件信息

PART NUMBER	PACKAGE	BODY SIZE (NOM)
SN74LVC257A	VQFN (16)	3.50 mm × 4.00 mm
	SOIC (16)	9.90 mm × 3.91 mm
	SO (16)	10.30 mm × 5.30 mm
	SSOP (16)	5.50 mm × 6.20 mm
	TSSOP (16)	4.40 mm × 5.00 mm
SN54LVC257A	CDIP (16)	6.92 mm × 21.34 mm
	CFP (16)	10.30 mm × 6.73 mm
	LCCC (20)	8.89 mm × 8.89 mm

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