54LS352 NSC | Alldatasheet
Document overview
- Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
- PDF pages: 6
Technical content
Features
Y Inverting version of DM54/74LS153 Y Permits multiplexing from N lines to 1 line Y Performs parallel-to-serial conversion Y Strobe (enable) line provided for cascading (N lines to n lines) Y High fan-out, low-impedance, totem-pole outputs Y Typical average propagation delay times From data 15 ns From strobe 19 ns From select 22 ns Y Typical power dissipation 31 mW Connection Diagram Dual-In-Line Package TL/F/6425–1 Order Number 54LS352DMQB, 54LS352FMQB, DM74LS352M or DM74LS352N See NS Package Number J16A, M16A, N16E or W16A Function Table Select Data Inputs Strobe OutputInputs B A C0 C1 C2 C3 G Y X X XXXX H H LL L X X X L H LL H X X X L L LH X L X X L H LH X H X X L L HL X X L X L H HL X X H X L L HH X X X L L H HH X X X H L L Select inputs A and B are common to both sections. H e High Level, L e Low Level, X e Don’t Care C1995 National Semiconductor Corporation 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 54LS b55§ Ct o a125§C DM74LS 0 § Ct o a70§C Storage Temperature Range b65§ Ct o a150§ C Note: The ‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaran- teed. 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 Parameter 54LS352 DM74LS352 Units Min Nom Max Min Nom Max VCC Supply Voltage 4.5 5 5.5 4.75 5 5.25 V VIH High Level Input Voltage 2 2 V VIL Low Level Input Voltage 0.7 0.8 V IOH High Level Output Current b0.4 b0.4 mA IOL Low Level Output Current 12 8 mA TA Free Air Operating Temperature b55 125 0 70 §C Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units(Note 1) VI Input Clamp Voltage V CC e Min, I I eb 18 mA b1.5 V VOH High Level Output V CC e Min, I OH e Max 54LS 2.5 VVoltage V IL e Max, V IH e Min DM74 2.7 3.4 VOL Low Level Output V CC e Min, I OL e Max 54LS 0.4 Voltage V IL e Max, V IH e Min DM74 0.35 0.5 V IOL e 4 mA DM74 0.25 0.4 VCC e Min II Input Current @ Max V CC e Max, V I e 10V 54LS 0.1 mAInput Voltage VCC e Max, V I e 7V DM74 IIH High Level Input Current V CC e Max, V I e 2.7V 20 mA IIL Low Level Input Current V CC e Max, V I e 0.4V b0.4 mA IOS Short Circuit V CC e Max 54LS b20 b100 mAOutput Current (Note 2) DM74 b20 b100 ICC Supply Current V CC e Max (Note 3) 6.2 10 mA Note 1: All typicals are at V CC e 5V, T A 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.
Switching Characteristics at V CC e 5V and T A e 25§C (See Section 1 for Test Waveforms and Output Load) From 54LS DM74LS Symbol Parameter (Input) CL e 15 pF CL e 50 pF UnitsTo RL e 2k X (Output) Min Max Min Max tPLH Propagation Delay Time Data to Y 12 24 nsLow to High Level Output tPHL Propagation Delay Time Data to Y 12 35 nsHigh to Low Level Output tPLH Propagation Delay Time Select to Y 22 33 nsLow to High Level Output tPHL Propagation Delay Time Select to Y 38 47 nsHigh to Low Level Output tPLH Propagation Delay Time Strobe to Y 15 29 nsLow to High Level Output tPHL Propagation Delay Time Strobe to Y 20 41 nsHigh to Low Level Output Logic Diagram TL/F/6425–2
Physical Dimensions inches (millimeters) 16-Lead Ceramic Dual-In-Line Package (J) Order Number 54LS352DMQB 16-Lead Small Outline Molded Package (M) Order Number DM74LS352M
Physical Dimensions inches (millimeters) (Continued) 16-Lead Molded Dual-In-Line Package (N) Order Number DM74LS352N
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 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 2. A critical component is any component of a life systems which, (a) are intended for surgical implant support device or system whose failure to perform can into the body, or (b) support or sustain life, and whose be reasonably expected to cause the failure of the life failure to perform, when properly used in accordance support device or system, or to affect its safety or with instructions for use provided in the labeling, can effectiveness. be reasonably expected to result in a significant injury to the user. National Semiconductor National Semiconductor National Semiconductor National Semiconductor Corporation Europe Hong Kong Ltd. Japan Ltd.
1111 West Bardin Road Fax: (
a49) 0-180-530 85 86 13th Floor, Straight Block, Tel: 81-043-299-2309 Arlington, TX 76017 Email: cnjwge @ tevm2.nsc.com Ocean Centre, 5 Canton Rd. Fax: 81-043-299-2408 Tel: 1(800) 272-9959 Deutsch Tel: ( a49) 0-180-530 85 85 Tsimshatsui, Kowloon Fax: 1(800) 737-7018 English Tel: ( a49) 0-180-532 78 32 Hong Kong Fran3ais Tel: ( a49) 0-180-532 93 58 Tel: (852) 2737-1600 Italiano Tel: ( a49) 0-180-534 16 80 Fax: (852) 2736-9960 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.