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开关与多路复用器
数字多路信号分离器和解码器

SN74LS42

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4 线 BCD 至 10 线十进制解码器

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SN74LS42

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产品详情

Technology family LS Number of channels 1 Operating temperature range (°C) 0 to 70 Rating Catalog Supply current (max) (µA) 10000
Technology family LS Number of channels 1 Operating temperature range (°C) 0 to 70 Rating Catalog Supply current (max) (µA) 10000
PDIP (N) 16 181.42 mm² (19.3 mm × 9.4 mm) SOIC (D) 16 59.4 mm² (9.9 mm × 6 mm)
  • All Outputs Are High for Invalid Input Conditions
  • Also for Application as
    • 4-Line-to-16-Line Decoders
    • 3-Line-to-8-Line Decoders
  • Diode-Clamped Inputs

 
  • All Outputs Are High for Invalid Input Conditions
  • Also for Application as
    • 4-Line-to-16-Line Decoders
    • 3-Line-to-8-Line Decoders
  • Diode-Clamped Inputs

 

These monolithic BCD-to-decimal decoders consist of eight inverters and ten four-input NAND gates. The inverters are connected in pairs to make BCD input data available for decoding by the NAND gates. Full decoding of valid input logic ensures that all outputs remain off for all invalid input conditions.

The '42A and 'LS42 feature inputs and outputs that are compatible for use with most TTL and other saturated low-level logic circuits. DC noise margins are typically one volt.

The SN5442A and SN54LS42 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN7442A and SN74LS42 are characterized for operation from 0°C to 70°C.

 

These monolithic BCD-to-decimal decoders consist of eight inverters and ten four-input NAND gates. The inverters are connected in pairs to make BCD input data available for decoding by the NAND gates. Full decoding of valid input logic ensures that all outputs remain off for all invalid input conditions.

The '42A and 'LS42 feature inputs and outputs that are compatible for use with most TTL and other saturated low-level logic circuits. DC noise margins are typically one volt.

The SN5442A and SN54LS42 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN7442A and SN74LS42 are characterized for operation from 0°C to 70°C.

 
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SN74HC42 正在供货 4 线至 10 线解码器（10 选 1） Voltage range 2V to 6V, average propagation delay 20ns, average drive strength 8mA

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顶层文档 类型 标题 格式选项 下载最新的英语版本 日期
* 数据表 4-Line BCD To 10-Line Decimal Decoders 数据表 1988-3-1

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