CD74ACT258 - 具有三态输出的四路 2 输入反向多路复用器

CD74ACT258是TI德州仪器公司的一款解码器/编码器/多路复用器产品，CD74ACT258是具有三态输出的四路 2 输入反向多路复用器，本站介绍了CD74ACT258的封装应用图解、特点和优点、功能等，并给出了与CD74ACT258相关的TI元器件型号供参考。

CD74ACT258 - 具有三态输出的四路 2 输入反向多路复用器 - 解码器/编码器/多路复用器 - 特殊逻辑 - 德州仪器

产品描述

The ’AC257, ’ACT257 and CD74ACT258 are quad 2-input multiplexers with three-state outputs that utilize Advanced CMOS Logic technology. Each of these devices selects four bits of data from two sources under the control of a common Select input (S). The Output Enable (OE\) is active LOW. When OE\ is HIGH, all of the outputs (Y or Y\) are in the high-impedance state regardless of all other input conditions.

Moving data from two groups of registers to four common output buses is a common use of the ’AC257, ’ACT257, and CD74ACT258. The state of the Select input determines the particular register from which the data comes. The ’AC257, ’ACT257 and CD74ACT258 can also be used as function generators.

产品特性

’AC257, ’ACT257. . . . . . . . . . . . . Non-Inverting Outputs
CD74ACT258 . . . . . . . . . . . . . . . . . . . Inverting Outputs
Buffered Inputs
Typical Propagation Delay - 4.4ns at VCC = 5V, TA = 25°C, CL = 50pF
Exceeds 2kV ESD Protection MIL-STD-883, Method 3015
SCR-Latchup-Resistant CMOS Process and Circuit Design
Speed of Bipolar FAST™/AS/S with Significantly Reduced Power Consumption
Balanced Propagation Delays
AC Types Feature 1.5V to 5.5V Operation and Balanced Noise Immunity at 30% of the Supply
±24mA Output Drive Current - Fanout to 15 FAST™ ICs Drives 50 Transmission Lines
Characterized for operation from –40° to 85°C

FAST™ is a Trademark of Fairchild Semiconductor.

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