74LS258B
Quad 2-Data Selectors/Multiplexers (National Semiconductor)
74LS258B
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS (Texas Instruments)
74LS251
LOW POWER SCHOTTKY (ON Semiconductor)
74LS251
3-STATE 1-of-8 Line Data Selector/Multiplexer (Fairchild Semiconductor)
74LS251
1 of 8 Data Selectors/Multiplexers (Hitachi Semiconductor)
74LS253
3-STATE Data Selector/Multiplexer (Fairchild Semiconductor)
74LS256
Dual 4-Bit Addressable Latch (Signetics)
74LS256
Dual 4-Bit Addressable Latch (National Semiconductor)
74LS256
DUAL 4-BIT ADDRESSABLE LATCH (Motorola)
74LS257
LOW POWER SCHOTTKY (ON Semiconductor)