54LS352DMQB

54LS352 DM74LS352 Dual 4-Line to 1-Line Data Selectors Multiplexers June 1989 54LS352 DM74LS352 Dual 4-Line to 1-Line Data Selectors Multiplexers General Description Each of these data selectors multiplexers contains inverters and drivers to supply fully complementary on-chip binary decoding data selection to the AND-OR-invert gates Separate strobe inputs are provided for each of the two four-line sections Y Y Y Y Features Y Y Inverting version of DM54 74LS153 Permits multiplexing from N lines to 1 line Y Performs parallel-to-serial conversion Strobe (enable) line provided for cascading (N lines to n lines) High fan-out low-impedance totem-pole outputs Typical average propagation delay times From data 15 ns From strobe 19 ns From select 22 ns Typical power dissipation 31 mW Connection Diagram Dual-In-Line Package Function Table Select Inputs B X L L L L H H H H A X L L H H L L H H C0 X L H X X X X X X Data Inputs C1 X X X L H X X X X C2 X X X X X L H X X C3 X X X X X X X L H Strobe G H L L L L L L L L Output Y H H L H L H L H L Select inputs A and B are common to both sections H e High Level L e Low Level X e Don’t Care TL F 6425 – 1 Order Number 54LS352DMQB 54LS352FMQB DM74LS352M or DM74LS352N See NS Package Number J16A M16A N16E or W16A C1995 National Semiconductor Corporation TL F 6425 RRD-B30M105 Printed in U S A Absolute Maximum Ratings (Note) If Military Aerospace specified devices are required please contact the National Semiconductor Sales Office Distributors for availability and specifications Supply Voltage 7V Input Voltage 7V Operating Free Air Temperature Range b 55 C to a 125 C 54LS DM74LS 0 C to a 70 C b 65 C to a 150 C Storage Temperature Range Note The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed 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 for actual device operation Recommended Operating Conditions Symbol VCC VIH VIL IOH IOL TA Parameter Min Supply Voltage High Level Input Voltage Low Level Input Voltage High Level Output Current Low Level Output Current Free Air Operating Temperature b 55 54LS352 Nom 5 Max 55 Min 4 75 2 07 b0 4 DM74LS352 Nom 5 Max 5 25 Units V V 08 b0 4 45 2 V mA mA C 12 125 0 8 70 Electrical Characteristics Symbol VI VOH Parameter Input Clamp Voltage High Level Output Voltage Low Level Output Voltage over recommended operating free air temperature range (unless otherwise noted) Conditions VCC e Min II e b18 mA VCC e Min IOH e Max VIL e Max VIH e Min VCC e Min IOL e Max VIL e Max VIH e Min IOL e 4 mA VCC e Min 54LS DM74 54LS DM74 DM74 54LS DM74 20 b0 4 Min Typ (Note 1) Max b1 5 Units V V 25 27 34 04 0 35 0 25 05 04 VOL V II Input Current Input Voltage Max VCC e Max VI e 10V VCC e Max VI e 7V VCC e Max VI e 2 7V VCC e Max VI e 0 4V VCC e Max (Note 2) VCC e Max (Note 3) 01 mA mA mA mA mA IIH IIL IOS High Level Input Current Low Level Input Current Short Circuit Output Current Supply Current 54LS DM74 b 20 b 20 b 100 b 100 ICC 62 10 Note 1 All typicals are at VCC e 5V TA e 25 C Note 2 Not more than one output should be shorted at a time and the duration should not exceed one second Note 3 ICC is measured with all outputs open and all other inputs at ground 2 Switching Characteristics Symbol Parameter at VCC e 5V and TA e 25 C (See Section 1 for Test Waveforms and Output Load) From (Input) To (Output) 54LS CL e 15 pF Min Max 12 12 22 38 15 20 DM74LS CL e 50 pF RL e 2 kX Min Max 24 35 33 47 29 41 ns ns ns ns ns ns Units tPLH tPHL tPLH tPHL tPLH tPHL Propagation Delay Time Low to High Level Output Propagation Delay Time High to Low Level Output Propagation Delay Time Low to High Level Output Propagation Delay Time High to Low Level Output Propagation Delay Time Low to High Level Output Propagation Delay Time High to Low Level Output Data to Y Data to Y Select to Y Select to Y Strobe to Y Strobe to Y Logic Diagram TL F 6425 – 2 3 Physical Dimensions inches (millimeters) 16-Lead Ceramic Dual-In-Line Package (J) Order Number 54LS352DMQB NS Package Number J16A 16-Lead Small Outline Molded Package (M) Order Number DM74LS352M NS Package Number M16A 4 Physical Dimensions inches (millimeters) (Continued) 16-Lead Molded Dual-In-Line Package (N) Order Number DM74LS352N NS Package Number N16E 5 54LS352 DM74LS352 Dual 4-Line to 1-Line Data Selectors Multiplexers Physical Dimensions inches (millimeters) (Continued) 16-Lead Ceramic Flat Package (W) Order Number 54LS352FMQB NS Package Number W16A LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF NATIONAL SEMICONDUCTOR CORPORATION As used herein 1 Life support devices or systems are devices or systems which (a) are intended for surgical implant into the body or (b) support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in a significant injury to the user National Semiconductor Corporation 1111 West Bardin Road Arlington TX 76017 Tel 1(800) 272-9959 Fax 1(800) 737-7018 2 A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system or to affect its safety or effectiveness National Semiconductor Europe Fax (a49) 0-180-530 85 86 Email cnjwge tevm2 nsc com Deutsch Tel (a49) 0-180-530 85 85 English Tel (a49) 0-180-532 78 32 Fran ais Tel (a49) 0-180-532 93 58 Italiano Tel (a49) 0-180-534 16 80 National Semiconductor Hong Kong Ltd 13th Floor Straight Block Ocean Centre 5 Canton Rd Tsimshatsui Kowloon Hong Kong Tel (852) 2737-1600 Fax (852) 2736-9960 National Semiconductor Japan Ltd Tel 81-043-299-2309 Fax 81-043-299-2408 National does not assume any responsibility for use of any circuitry described no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications