74LS163

54LS161A NSC | Alldatasheet

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Technical content

Features

Y Synchronously programmable Y Internal look-ahead for fast counting Y Carry output for n-bit cascading Y Synchronous counting Y Load control line Y Diode-clamped inputs Y Typical propagation time, clock to Q output 14 ns Y Typical clock frequency 32 MHz Y Typical power dissipation 93 mW Y Alternate Military/Aerospace device (54LS161, 54LS163) is available. Contact a National Semiconduc- tor Sales Office/Distributor for specificaitons. Connection Diagram Dual-In-Line Package TL/F/6397–1 Order Numbers 54LS161ADMQB, 54LS161AFMQB, 54LS161ALMQB, 54LS163ADMQB, 54LS163AFMQB, 54LS163ALMQB, DM54LS161AJ, DM54LS161AW, DM54LS163AJ, DM54LS163AW, DM74LS161AM, DM74LS161AN, DM74LS163AM or DM74LS163AN See NS Package Number E20A, J16A, M16A, N16E or W16A 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 DM54LS161A DM74LS161A 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 25 0 25 MHz Clock Frequency (Note 2) 0 20 0 20 MHz tW Pulse Width Clock 20 6 20 6 ns(Note 1) Clear 20 9 20 9 Pulse Width Clock 25 25 ns(Note 2) Clear 25 25 tSU Setup Time Data 20 8 20 8 (Note 1) Enable P 25 17 25 17 ns Load 25 15 25 15 Setup Time Data 20 20 (Note 2) Enable P 30 30 ns Load 30 30 tH Hold Time Data 0 b30 b3 ns(Note 1) Others 0 b30 b3 Hold Time Data 5 5 ns(Note 2) Others 5 5 tREL Clear Release Time (Note 1) 20 20 ns Clear Release Time (Note 2) 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 5.5V. Note 2: CL e 50 pF, R L e 2k X,T A e 25§C and V CC e 5.5V.

’LS161 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 Enable T 0.2 Input Voltage V I e 7V Clock 0.2 mA Load 0.2 Others 0.1 IIH High Level Input V CC e Max Enable T 40 Current V I e 2.7V Clock 40 mA Load 40 Others 20 IIL Low Level Input V CC e Max Enable T b0.8 Current V I e 0.4V Clock b0.8 mA Load b0.8 Others b0.4 IOS Short Circuit V CC e Max DM54 b20 b100 mAOutput Current (Note 2) DM74 b20 b100 ICCH Supply Current with V CC e Max 18 31 mAOutputs High (Note 3) ICCL Supply Current with V CC e Max 19 32 mAOutputs Low (Note 4) 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: ICCH is measured with the load high, then again with the load low, with all other inputs high and all outputs open. Note 4: ICCL is measured with the clock input high, then again with the clock input low, with all other inputs low and all outputs open. ’LS161 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 25 20 MHz tPLH Propagation Delay Time Clock to 25 30 nsLow to High Level Output Ripple Carry tPHL Propagation Delay Time Clock to 30 38 nsHigh to Low Level Output Ripple Carry tPLH Propagation Delay Time Clock to Any Q 22 27 nsLow to High Level Output (Load High) tPHL Propagation Delay Time Clock to Any Q 27 38 nsHigh to Low Level Output (Load High)

’LS161 Switching Characteristics at V CC e 5V and T A e 25§C (See Section 1 for Test Waveforms and Output Load) (Continued) From (Input) RL e 2k X Symbol Parameter To (Output) CL e 15 pF C L e 50 pF Units Min Max Min Max tPLH Propagation Delay Time Clock to Any Q 24 30 nsLow to High Level Output (Load Low) tPHL Propagation Delay Time Clock to Any Q 27 38 nsHigh to Low Level Output (Load Low) tPLH Propagation Delay Time Enable T to 14 27 nsLow to High Level Output Ripple Carry tPHL Propagation Delay Time Enable T to 15 27 nsHigh to Low Level Output Ripple Carry tPHL Propagation Delay Time Clear to 28 45 nsHigh to Low Level Output Any Q Recommended Operating Conditions Symbol Parameter DM54LS163A DM74LS163A 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 25 0 25 MHz Clock Frequency (Note 2) 0 20 0 20 MHz tW Pulse Width Clock 20 6 20 6 ns(Note 1) Clear 20 9 20 9 Pulse Width Clock 25 25 ns(Note 2) Clear 25 25 tSU Setup Time Data 20 8 20 8 (Note 1) Enable P 25 17 25 17 ns Load 25 15 25 15 Setup Time Data 20 20 (Note 2) Enable P 30 30 ns Load 30 30 tH Hold Time Data 0 b30 b3 ns(Note 1) Others 0 b30 b3 Hold Time Data 5 5 ns(Note 2) Others 5 5 tREL Clear Release Time (Note 1) 20 20 ns Clear Release Time (Note 2) 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.

’LS163 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 Enable T 0.2 Input Voltage V I e 7V Clock, Clear 0.2 mA Load 0.2 Others 0.1 IIH High Level Input V CC e Max Enable T 40 Current V I e 2.7V Load 40 mA Clock, Clear 40 Others 20 IIL Low Level Input V CC e Max Enable T b0.8 Current V I e 0.4V Clock, Clear b0.8 mA Load b0.8 Others b0.4 IOS Short Circuit V CC e Max DM54 b20 b100 mAOutput Current (Note 2) DM74 b20 b100 ICCH Supply Current with V CC e Max 18 31 mAOutputs High (Note 3) ICCL Supply Current with V CC e Max 18 32 mAOutputs Low (Note 4) 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: ICCH is measured with the load high, then again with the load low, with all other inputs high and all outputs open. Note 4: ICCL is measured with the clock input high, then again with the clock input low, with all other inputs low and all outputs open. ’LS163 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 25 20 MHz tPLH Propagation Delay Time Clock to 25 30 nsLow to High Level Output Ripple Carry tPHL Propagation Delay Time Clock to 30 38 nsHigh to Low Level Output Ripple Carry tPLH Propagation Delay Time Clock to Any Q 22 27 nsLow to High Level Output (Load High) tPHL Propagation Delay Time Clock to Any Q 27 38 nsHigh to Low Level Output (Load High)

’LS163 Switching Characteristics at V CC e 5V and T A e 25§C (See Section 1 for Test Waveforms and Output Load) (Continued) From (Input) RL e 2k X Symbol Parameter To (Output) CL e 15 pF C L e 50 pF Units Min Max Min Max tPLH Propagation Delay Time Clock to Any Q 24 30 nsLow to High Level Output (Load Low) tPHL Propagation Delay Time Clock to Any Q 27 38 nsHigh to Low Level Output (Load Low) tPLH Propagation Delay Time Enable T to 14 27 nsLow to High Level Output Ripple Carry tPHL Propagation Delay Time Enable T to 15 27 nsHigh to Low Level Output Ripple Carry tPHL Propagation Delay Time Clear to Any Q 28 45 nsHigh to Low Level Output (Note 1) Note 1: The propagation delay clear to output is measured from the clock input transition. Logic Diagram LS163A TL/F/6397–2 The LS161A is similar, however, the clear buffer is connected directly to the flip flops.

Parameter Measurement Information Switching Time Waveforms TL/F/6397–3 Note A: The input pulses are supplied by generators having the following characteristics: PRR s 1 MHz, duty cycle s 50%, Z OUT & 50X,t r s 10 ns, t f s 10 ns. Vary PRR to measure f MAX. Note B: Outputs Q D and carry are tested at t na16 where t n is the bit time when all outputs are low. Note C: VREF e 1.5V. Switching Time Waveforms TL/F/6397–4 Note A: The input pulses are supplied by generators having the following characteristics: PRR s 1 MHz, duty cycle s 50%, Z OUT & 50X,t r s 6 ns, t f s 6 ns. Vary PRR to measure f MAX. Note B: Enable P and enable T setup times are measured at t na0. Note C: VREF e 1.3V.

LS161A, LS163A Synchronous Binary Counters Typical Clear, Preset, Count and Inhibit Sequences TL/F/6397–5 Sequence: (1) Clear outputs to zero (2) Preset to binary twelve (3) Count to thirteen, fourteen, fifteen, zero, one, and two (4) Inhibit

Physical Dimensions inches (millimeters) Ceramic Leadless Chip Carrier Package (E) Order Numbers 54LS161ALMQB or 54LS163ALMQB 16-Lead Ceramic Dual-In-Line Package (J) Order Numbers 54LS161ADMQB, 54LS163ADMQB, DM54LS161AJ or DM54LS163AJ

Physical Dimensions inches (millimeters) (Continued) 16-Lead Small Outline Molded Package (M) Order Number DM74LS161AM or DM74LS163AM 16-Lead Molded Dual-In-Line Package (N) Order Numbers DM74LS161AN, DM74LS163AN

54LS161A/DM54LS161A/DM74LS161A, 54LS163A/DM54LS163A/DM74LS163A Synchronous 4-Bit Binary Counters Physical Dimensions inches (millimeters) (Continued) 16-Lead Ceramic Flat Package (W) Order Numbers 54LS161AFMQB, 54LS163AFMQB, DM54LS161AN or DM54LS163AW 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.