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SN54HC21 series datasheets. Manufacturer: Texas Instruments.

SN54HC21J DUAL 4-INPUT POSITIVE-AND GATES in 14-pin J package. Operational temperature range from -55°C to 125°C.Datasheet*)
SN74HC21D DUAL 4-INPUT POSITIVE-AND GATES in 14-pin D package. Operational temperature range from -40°C to 85°C.Datasheet*)
SN74HC21DR DUAL 4-INPUT POSITIVE-AND GATES in 14-pin D package. Operational temperature range from -40°C to 85°C.Datasheet*)
SN74HC21N DUAL 4-INPUT POSITIVE-AND GATES in 14-pin N package. Operational temperature range from -40°C to 85°C.Datasheet*)
SNJ54HC21FK DUAL 4-INPUT POSITIVE-AND GATES in 20-pin FK package. Operational temperature range from -55°C to 125°C.Datasheet*)
SNJ54HC21J DUAL 4-INPUT POSITIVE-AND GATES in 14-pin J package. Operational temperature range from -55°C to 125°C.Datasheet*)
SN54HC21DUAL 4-INPUT POSITIVE-AND GATESDatasheet*)
SN54HC21FKDUAL 4-INPUT POSITIVE-AND GATESDatasheet*)
SN54HC21WDUAL 4-INPUT POSITIVE-AND GATESDatasheet*)
SN74HC21DUAL 4-INPUT POSITIVE-AND GATESDatasheet*)
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