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SN74ALS521 - 产品图解：
SN74ALS521 - 具有集电极开路输出的 8 位标识比较器
SN74ALS521是TI公司的一款数字比较器产品，SN74ALS521是具有集电极开路输出的 8 位标识比较器，本页介绍了SN74ALS521的产品说明、应用、特性等，并给出了与SN74ALS521相关的TI元器件型号供参考。
SN74ALS521 - 具有集电极开路输出的 8 位标识比较器 - 数字比较器 - 特殊逻辑 - TI公司（Texas Instruments，德州仪器）
产品描述
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 SN54ALS520 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.
产品特性
- Compare Two 8-Bit Words
- Choice of Totem-Pole or Open-Collector Outputs
- SN74ALS518 and ´ALS520 Have 20-k Pullup Resistors on Q Inputs
- 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.
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