Part number:
DM74LS251
Manufacturer:
National Semiconductor
File Size:
135.33 KB
Description:
Tri-state data selectors/multiplexers.
* 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
DM74LS251 Datasheet (135.33 KB)
DM74LS251
National Semiconductor
135.33 KB
Tri-state data selectors/multiplexers.
📁 Related Datasheet
DM74LS251 - 3-STATE 1-of-8 Line Data Selector/Multiplexer
(Fairchild Semiconductor)
DM74LS251 3-STATE 1-of-8 Line Data Selector/Multiplexer
August 1986 Revised March 2000
DM74LS251 3-STATE 1-of-8 Line Data Selector/Multiplexer
Gener.
DM74LS253 - TRI-STATE Data Selectors/Multiplexers
(National Semiconductor)
54LS253 DM54LS253 DM74LS253 TRI-STATE Data Selectors Multiplexers
June 1989
54LS253 DM54LS253 DM74LS253 TRI-STATE Data Selectors Multiplexers
Genera.
DM74LS253 - 3-STATE Data Selector/Multiplexer
(Fairchild Semiconductor)
DM74LS253 3-STATE Data Selector/Multiplexer
August 1986 Revised March 2000
DM74LS253 3-STATE Data Selector/Multiplexer
General Description
Each of t.
DM74LS256 - Dual 4-Bit Addressable Latch
(National Semiconductor)
54LS256 DM74LS256 Dual 4-Bit Addressable Latch
June 1989
54LS256 DM74LS256 Dual 4-Bit Addressable Latch
General Description
The ’LS256 is a dual 4-b.
DM74LS257 - TRI-STATE Quad 2-Data Selectors/Multiplexers
(National Semiconductor)
54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers
June 1989
54LS257A DM54LS257B DM74LS257B .
DM74LS257B - TRI-STATE Quad 2-Data Selectors/Multiplexers
(National Semiconductor)
Obsolete
54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers
June 1989
54LS257A DM54LS257B D.
DM74LS257B - 3-STATE Quad 2-Data Selectors/Multiplexers
(Fairchild Semiconductor)
DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers
June 1989 Revised November 1999
DM74LS257B 3-STATE Quad 2-Data Selectors/Multiplexers
General .
DM74LS258 - TRI-STATE Quad 2-Data Selectors/Multiplexers
(National Semiconductor)
54LS257A DM54LS257B DM74LS257B 54LS258A DM54LS258B DM74LS258B TRI-STATE Quad 2-Data Selectors Multiplexers
June 1989
54LS257A DM54LS257B DM74LS257B .