Part Number	HD74LS42
Description	BCD-to-Decimal Decoder
Info	Unit: mm 19.20 20.32 Max 14 8 6.30 7.40 Max 1 2.39.
Manufacture	Hitachi Semiconductor
for PC	Download HD74LS42 Datasheet

Part Number	HD74LS42P
Description	BCD-to-Decimal Decoder
Info	HD74LS42 BCD-to-Decimal Decoder REJ03D0409–030.
Manufacture	Renesas
for PC	Download HD74LS42P Datasheet