National Semiconductor 54L Hoja de datos

No.	parte #	Fabricante	Descripción
1	DM54LS251	National Semiconductor	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
2	DM54LS368A	National Semiconductor	Hex TRI-STATE Inverting Buffers Y Alternate Military Aerospace device (54LS368) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TL F 6430 – 1 Order Number 54LS368ADMQB 54LS368AFMQB 54LS368ALMQB DM5
3	54LS244	National Semiconductor	Octal TRI-STATE Buffers/Line Drivers/Line Receivers Y TRI-STATE outputs drive bus lines directly Y PNP inputs reduce DC loading on bus lines Y Hysteresis at data inputs improves noise margins Y Typical IOL (sink current) 54LS 12 mA 74LS 24 mA Y Typical IOH (source current) 54LS b12 mA 74LS b15 mA
4	DM54LS20	National Semiconductor	Dual 4-Input NAND Gates Y Alternate Military Aerospace device (54LS20) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package Function Table Order Number 54LS20DMQB 54LS20FMQB 54LS20LMQB DM54LS20
5	DM54L10	National Semiconductor	Triple 3-Input NAND Gates d The device should not be operated at these limits The parametric values defined in the ‘‘Electrical Characteristics‘‘ table are not guaranteed at the absolute maximum ratings The ‘‘Recommended Operating Conditions’’ table will define the conditions
6	DM54LS157	National Semiconductor	Quad 2-Line to 1-Line Data Selectors/Multiplexers Y Y Y Applications Y Y Y Y Y Expand any data input point Multiplex dual data buses Generate four functions of two variables (one variable is common) Source programmable counters Buffered inputs and outputs Typical Propagation Time LS157 9 ns LS
7	54LS368A	National Semiconductor	Hex TRI-STATE Inverting Buffers Y Alternate Military Aerospace device (54LS368) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TL F 6430 – 1 Order Number 54LS368ADMQB 54LS368AFMQB 54LS368ALMQB DM5
8	54LS374	National Semiconductor	TRI-STATE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops Y Y Y Y Y Choice of 8 latches or 8 D-type flip-flops in a single package TRI-STATE bus-driving outputs Full parallel-access for loading Buffered control inputs P-N-P inputs reduce D-C loading on data lines Connection Diagrams Dual-In-Line Packages
9	54LS22	National Semiconductor	Dual 4-Input NAND Gates
10	54LS32	National Semiconductor	Quad 2-Input OR Gates Y Alternate Military Aerospace device (54LS32) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package Function Table TL F 6361 – 1 Order Number 54LS32DMQB 54LS32FMQB 54LS3
11	DM54LS165	National Semiconductor	8-Bit Parallel In/Serial Output Shift Registers Y Y Y Y Y Y Complementary outputs Direct overriding (data) inputs Gated clock inputs Parallel-to-serial data conversion Typical frequency 35 MHz Typical power dissipation 105 mW Connection Diagram Dual-In-Line Package TL F 6399 – 1 Order Number
12	54LS169	National Semiconductor	Synchronous 4-Bit Up/Down Binary Counter an internal carry look-ahead for cascading in high-speed counting applications Synchronous operation is provided by having all flip-flops clocked simultaneously so that the outputs all change at the same time when so instructed by the countenable inp
13	DM54LS461	National Semiconductor	Octal Counter
14	74LS168	National Semiconductor	54LS168 Synchronous Bi-Directional BCD Decade Counter Output (Active LOW) C1995 National Semiconductor Corporation TL F 10207 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) Note The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guarantee
15	54LS08	National Semiconductor	Quad 2-Input AND Gates Y Alternate Military Aerospace device (54LS08) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TL F 6347 – 1 Order Number 54LS08DMQB 54LS08FMQB 54LS08LMQB DM54LS08J
16	54LS377	National Semiconductor	OCTAL D FLIP-FLOP
17	54LS367A	National Semiconductor	Hex TRI-STATE Buffers Y Alternate military aerospace device (54LS367A) is available Contact a National Semiconductor sales office distributor for specifications Connection Diagram Dual-In-Line Package TL F 6429 – 1 Order Number 54LS367ADMQB 54LS367AFMQB 54LS367ALMQB DM
18	54LS30	National Semiconductor	8-Input NAND Gate Y Alternate Military Aerospace device (54LS30) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package Obsolete TL F 6360 – 1 Order Number 54LS30DMQB 54LS30FMQB 54LS30LMQB
19	54LS258A	National Semiconductor	TRI-STATE Quad 2-Data Selectors/Multiplexers Y TRI-STATE versions LS157 and LS158 with same pinouts Y Schottky-clamped for significant improvement in A-C performance Y Provides bus interface from multiple sources in highperformance systems Y Average propagation delay from data input 12 ns Y Typ
20	54LS109	National Semiconductor	Dual Positive-Edge-Triggered J-K Flip-Flops Y Alternate Military Aerospace device (54LS109) is available Contact a National Semiconductor Sales Office Distributor for specifications Connection Diagram Dual-In-Line Package TL F 6368 – 1 Order Number 54LS109DMQB 54LS109FMQB DM54LS109AJ DM54LS