74LS174

54LS174 NSC | Alldatasheet

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Y LS174 contains six flip-flops with single-rail outputs Y LS175 contains four flip-flops with double-rail outputs Y Buffered clock and direct clear inputs Y Individual data input to each flip-flop Y Applications include: Buffer/storage registers Shift registers Pattern generators Y Typical clock frequency 40 MHz Y Typical power dissipation per flip-flop 14 mW Y Alternate Military/Aerospace device (54LS174, 54LS175) is available. Contact a National Semiconduc- tor Sales Office/Distributor for specifications. Connection Diagrams Dual-In-Line Package TL/F/6404–1 Order Number 54LS174DMQB, 54LS174FMQB, 54LS174LMQB, DM54LS174J, DM54LS174W, DM74LS174M or DM74LS174N See NS Package Number E20A, J16A, M16A, N16E or W16A Dual-In-Line Package TL/F/6404–2 Order Number 54LS175DMQB, 54LS175FMQB, 54LS175LMQB, DM54LS175J DM54LS175W, DM74LS175M or DM74LS175N See NS Package Number E20A, J16A, M16A, N16E or W16A Function Table (Each Flip-Flop) Inputs Outputs Clear Clock D Q Q ² LX X L H H u HH L H u LL H HL X Q 0 Q0 H e High Level (steady state) L e Low Level (steady state) X e Don’t Care u e Transition from low to high level Q0 e The level of Q before the indicated steady-state input conditions were established. ² e LS175 only 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 DM54LS and 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 DM54LS174 DM74LS174 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 4 8 mA fCLK Clock Frequency (Note 1) 0 30 0 30 MHz fCLK Clock Frequency (Note 2) 0 25 0 25 MHz tW Pulse Width Clock 20 20 ns(Note 6) Clear 20 20 tSU Data Setup Time (Note 6) 20 20 ns tH Data Hold Time (Note 6) 0 0 ns tREL Clear Release Time (Note 6) 25 25 ns TA Free Air Operating Temperature b55 125 0 70 §C ’LS174 Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) Symbol Parameter Conditions Min Typ Max Units(Note 3) 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 DM54 2.5 3.4 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 DM54 0.25 0.4 Voltage V IL e Max, V IH e Min DM74 0.35 0.5 V IOL e 4 mA, V CC e Min DM74 0.25 0.4 II Input Current @Max V CC e Max, V I e 7V 0.1 mAInput Voltage IIH High Level Input Current V CC e Max, V I e 2.7V 20 mA IIL Low Level Input V CC e Max Clock b0.4 Current V I e 0.4V Clear b0.4 mA Data b0.36 IOS Short Circuit V CC e Max DM54 b20 b100 mAOutput Current (Note 4) DM74 b20 b100 ICC Supply Current V CC e Max (Note 5) 16 26 mA Note 1: CL e 15 pF, R L e 2k X,T A e 25§C and V CC e 5V. Note 2: CL e 50 pF, R L e 2k X,T A e 25§C and V CC e 5V. Note 3: All typicals are at V CC e 5V, T A e 25§C. Note 4: Not more than one output should be shorted at a time, and the duration should not exceed one second. Note 5: With all outputs open and 4.5V applied to all data and clear inputs, I CC is measured after a momentary ground, then 4.5V applied to the clock. Note 6: TA e 25§C and V CC e 5V.

’LS174 Switching Characteristics at V CC e 5V and T A e 25§C (See Section 1 for Test Waveforms and Output Load) From (Input) RL e 2k X Symbol Parameter To (Output) CL e 15 pF C L e 50 pF Units Min Max Min Max fMAX Maximum Clock Frequency 30 25 MHz tPLH Propagation Delay Time Clock to 30 32 nsLow to High Level Output Output tPHL Propagation Delay Time Clock to 30 36 nsHigh to Low Level Output Output tPHL Propagation Delay Time Clear to 35 42 nsHigh to Low Level Output Output Recommended Operating Conditions Symbol Parameter DM54LS175 DM74LS175 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 4 8 mA fCLK Clock Frequency (Note 1) 0 30 0 30 MHz fCLK Clock Frequency (Note 2) 0 25 0 25 MHz tW Pulse Width Clock 20 20 ns(Note 3) Clear 20 20 tSU Data Setup Time (Note 3) 20 20 ns tH Data Hold Time (Note 3) 0 0 ns tREL Clear Release Time (Note 3) 25 25 ns TA Free Air Operating Temperature b55 125 0 70 §C Note 1: CL e 15 pF, R L e 2k X,T A e 25§C and V CC e 5V. Note 2: CL e 50 pF, R L e 2k X,T A e 25§C and V CC e 5V. Note 3: TA e 25§C and V CC e 5V.

’LS175 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 DM54 2.5 3.4 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 DM54 0.25 0.4 Voltage V IL e Max, V IH e Min DM74 0.35 0.5 V IOL e 4 mA, V CC e Min DM74 0.25 0.4 II Input Current @Max V CC e Max, V I e 7V 0.1 mAInput Voltage IIH High Level Input Current V CC e Max, V I e 2.7V 20 mA IIL Low Level Input V CC e Max Clock b0.4 Current V I e 0.4V Clear b0.4 mA Data b0.36 IOS Short Circuit V CC e Max DM54 b20 b100 mAOutput Current (Note 2) DM74 b20 b100 ICC Supply Current V CC e Max (Note 3) 11 18 mA ’LS175 Switching Characteristics at V CC e 5V and T A e 25§C (See Section 1 for Test Waveforms and Output Load) From (Input) RL e 2k X Symbol Parameter To (Output) CL e 15 pF C L e 50 pF Units Min Max Min Max fMAX Maximum Clock Frequency 30 25 MHz tPLH Propagation Delay Time Clock to 30 32 nsLow to High Level Output Q or Q tPHL Propagation Delay Time Clock to 30 36 nsHigh to Low Level Output Q or Q tPLH Propagation Delay Time Clear to 25 29 nsLow to High Level Output Q tPHL Propagation Delay Time Clear to 35 42 nsHigh to Low Level Output Q 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: With all outputs open and 4.5V applied to all data and clear inputs, I CC is measured after a momentary ground, then 4.5V applied to the clock input.

TL/F/6404–3 LS175 TL/F/6404–4

Physical Dimensions inches (millimeters) Ceramic Leadless Chip Carrier (E) Order Number 54LS174LMQB or 54LS175LMQB 16-Lead Ceramic Dual-In-Line Package (J) Order Number DM54LS174DMQB, 54LS175DMQB, DM54LS174J or DM54LS175J

Physical Dimensions inches (millimeters) (Continued) 16-Lead Small Outline Molded Package (M) Order Number DM74LS174M or DM74LS175M 16-Lead Molded Dual-In-Line Package (N) Order Number DM74LS174N or DM74LS175N

54LS174/DM54LS174/DM74LS174, 54LS175/DM54LS175/DM74LS175 Hex/Quad D Flip-Flops with Clear Physical Dimensions inches (millimeters) (Continued) 16-Lead Ceramic Flat Package (W) Order Number 54LS174FMQB, 54LS175FMQB, DM54LS174W or DM54LS175W 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.

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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.