SN54/74LS42 ONE-OF-TEN DECODER The LSTTL / MSI SN5.
SN54LS42 - ONE-OF-TEN DECODER
SN54LS42 - 4-LINE BCD TO 10-LINE DECIMAL DECODERS
SN54LS423 - Retriggerable Monostable Multivibrator
SN54LS422 - Retriggerable Monostable Multivibrator
