SN54ALS520

8 位等值比较器

These identity comparators perform comparisons on two 8-bit binary or BCD words. The SN74ALS518 provides P = Q outputs, while the ´ALS520 and SN74ALS521 provide P = Q\ outputs. The SN74ALS518 has an open-collector output. The SN74ALS518 and ´ALS520 feature 20-k pullup resistors on the Q inputs for analog or switch data.

The is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74ALS518, SN74ALS520, and SN74ALS521 are characterized for operation from 0°C to 70°C.

 

 

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Compare Two 8-Bit Words

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Choice of Totem-Pole or Open-Collector Outputs

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SN74ALS518 and ´ALS520 Have 20-k Pullup Resistors on Q Inputs

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Package Options Include Plastic Small-Outline DW Packages, Ceramic Chip Carriers FK, and Standard Plastic N and Ceramic J 300-mil DIPs

 

 

SN74ALS521 is identical to ´ALS688.