DM54LS245
National Semiconductor
TRI-STATE Octal Bus Transceiver54LS245 DM54LS245 DM74LS245 TRI-STATE Octal Bus Transceiver
June 1989
54LS245 DM54LS245 DM74LS245 TRI-STATE Octal Bus Transceiver
General Description
These octal bus transceivers are designed for asynchronous two-way communication between data buses The cont
DM54LS279
Quad S-R Latches54LS279 DM54LS279 DM74LS279 Quad S-R Latches
May 1989
54LS279 DM54LS279 DM74LS279 Quad S-R Latches
General Description
The ’LS279 consists of four individual and independent SetReset Latches with active low inputs Two of the four latches have an additonal S input ANDed with the primary S input
National Semiconductor
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DM54LS260
Dual 5-Input NOR GateDM54LS260 DM74LS260 Dual 5-Input NOR Gate
DM54LS260 DM74LS260 Dual 5-Input NOR Gate
General Description
This device contains two individual five input gates each of which perform the logic NOR function
Connection Diagram
Dual-In-Line Package
April 1992
Truth Table
TL F 9824 – 1
Order Number
National Semiconductor
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