SN54LS251
8-INPUT MULTIPLEXER (Motorola Inc)
SN54LS251
Data Selectors/Multiplexers (Texas Instruments)
SN54LS253
DUAL 4-INPUT MULTIPLEXER (Motorola Inc)
SN54LS253
Dual 4-Line To 1-Line Data Selectors/Multiplexers (Texas Instruments)
SN54LS256
DUAL 4-BIT ADDRESSABLE LATCH (Motorola Inc)
SN54LS257B
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS (Texas Instruments)
SN54LS257B
QUAD 2-INPUT MULTIPLEXER (Motorola Inc)
SN54LS258B
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS (Texas Instruments)
SN54LS258B
QUAD 2-INPUT MULTIPLEXER (Motorola)
SN54LS259B
8-BIT ADDRESSABLE LATCHES (Texas Instruments)