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CD74HC157的基本参数
  • 制造厂商:TI
  • 产品类别:逻辑和电压转换
  • 技术类目:专用逻辑 IC - 数字多路复用器和编码器
  • 功能描述:高速 CMOS 逻辑四路 2 输入多路复用器
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CD74HC157的产品详情:

The ’HC157, ’HCT157, ’HC158, and ’HCT158 are quad 2-input multiplexers which select four bits of data from two sources under the control of a common Select input (S). The Enable input (E\) is active Low. When (E\) is High, all of the outputs in the 158, the inverting type, (1Y\-4Y\) are forced High and in the 157, the non-inverting type, all of the outputs (1Y\-4Y\) are forced Low, regardless of all other input conditions.

Moving data from two groups of registers to four common output busses is a common use of these devices. The state of the Select input determines the particular register from which the data comes. They can also be used as function generators.

CD74HC157的优势和特性:
  • Common Select Inputs
  • Separate Enable Inputs
  • Buffered inputs and 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

The CD54HC158 and CD74HC158 are obsolete and no longer are supplied.

CD74HC157的参数(英文):
  • Technology Family
  • HC
  • Function
  • Digital Multiplexer
  • Configuration
  • 2:1
  • Number of channels (#)
  • 4
  • Operating temperature range (C)
  • -55 to 125
  • Rating
  • Catalog
CD74HC157具体的完整产品型号参数及价格(美元):

CD74HC157的完整型号有:CD74HC157E、CD74HC157M、CD74HC157M96、CD74HC157MT,以下是这些产品的关键参数及官网采购报价:

CD74HC157E,工作温度:-55 to 125,封装:PDIP (N)-16,包装数量MPQ:25个,MSL 等级/回流焊峰值温度:N/A for Pkg Type,引脚镀层/焊球材料:NIPDAU,TI官网CD74HC157E的批量USD价格:.196(1000+)

CD74HC157M,工作温度:-55 to 125,封装:SOIC (D)-16,包装数量MPQ:40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CD74HC157M的批量USD价格:.373(1000+)

CD74HC157M96,工作温度:-55 to 125,封装:SOIC (D)-16,包装数量MPQ:2500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CD74HC157M96的批量USD价格:.173(1000+)

CD74HC157MT,工作温度:-55 to 125,封装:SOIC (D)-16,包装数量MPQ:250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CD74HC157MT的批量USD价格:.373(1000+)

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CD74HC157的评估套件:

14-24-LOGIC-EVM — 支持 14 到 24 引脚 PW、DB、D、DW、NS、DYY 和 DGV 封装的通用逻辑 EVM

该 EVM 设计用于支持采用 14 至 24 引脚 D、DW、DB、NS、PW、DYY 或 DGV 封装的任何逻辑器件。

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