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CD74HC253技术文档下载：
CD74HC253 - 产品图解：
CD74HC253 - 高速 CMOS 逻辑双路 4 输入多路复用器
CD74HC253是TI公司的一款解码器/编码器/多路复用器产品，CD74HC253是高速 CMOS 逻辑双路 4 输入多路复用器，本页介绍了CD74HC253的产品说明、应用、特性等，并给出了与CD74HC253相关的TI元器件型号供参考。
CD74HC253 - 高速 CMOS 逻辑双路 4 输入多路复用器 - 解码器/编码器/多路复用器 - 特殊逻辑 - TI公司（Texas Instruments，德州仪器）
产品描述
The CD74HC253 and CD74HCT253 are dual 4-to-1 line selector/multiplexers having three-state outputs. One of four sources for each section is selected by the common select inputs, S0 and S1. When the output enable (1OE\, 2OE\) is HIGH, the output is in the high-impedance state.
产品特性
- Common Select Inputs
- Separate Output-Enable Inputs
- Three-State Outputs
- Fanout (Over Temperature Range)
- Standard Outputs...10 LSTTL Loads
- Bus Driver Outputs...15 LSTTL Loads
- Wide Operating Temperature Range... –55°C to 125°C
- Balanced Propagation Delay and Transition Times
- Significant Power Reduction Compared to LSTTL Logic ICs
- HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
- HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il ≤ 1µA at VOL , VOH
Data sheet acquired from Harris Semiconductor
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