DM74LS251 Datasheet TRI-STATE Data Selectors/Multiplexers

Manufacturer: National Semiconductor (now Texas Instruments)

Datasheet Details

Part number	DM74LS251
Manufacturer	National Semiconductor (now Texas Instruments)
File Size	135.33 KB
Description	TRI-STATE Data Selectors/Multiplexers
Download	DM74LS251 Download (PDF)

These data selectors multiplexers contain full on-chip binary decoding to select one-of-eight data sources and

DM54LS251 DM74LS251 TRI-STATE Data Selectors Multiplexers June 1989 DM54LS251 DM74LS251 TRI-STATE Data Selectors.

Y Y Y Y Y Y Y Y TRI-STATE version of LS151 Interface directly with system bus Perform parallel-to-serial conversion Permit multiplexing from N-lines to one line Complementary outputs provide true and inverted data Maximum number of common outputs 54LS 49 74LS 129 Typical propagation delay time (D to Y) 54LS 17 ns 74LS 17 ns Typical power dissipation 54LS 35 mW 74LS 35 mW Connection Diagram Dual-In-Line Package Function Table Inputs Select C X L L L L H H H H B X L L H H L L H H A X L H L H.

Brand Logo	Part Number	Description	Manufacturer
	DM74LS251	3-STATE 1-of-8 Line Data Selector/Multiplexer	Fairchild Semiconductor

Part Number	Description
DM74LS253	TRI-STATE Data Selectors/Multiplexers
DM74LS256	Dual 4-Bit Addressable Latch
DM74LS257	TRI-STATE Quad 2-Data Selectors/Multiplexers
DM74LS257B	TRI-STATE Quad 2-Data Selectors/Multiplexers
DM74LS258	TRI-STATE Quad 2-Data Selectors/Multiplexers
DM74LS258B	TRI-STATE Quad 2-Data Selectors/Multiplexers
DM74LS259	8-Bit Addressable Latches
DM74LS20	Dual 4-Input NAND Gates
DM74LS21	Dual 4-Input AND Gates
DM74LS22	Dual 4-Input NAND Gates