74LS93

DM74LS90 NSC | Alldatasheet

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Y Typical power dissipation 45 mW Y Count frequency 42 MHz Connection Diagrams (Dual-In-Line Packages) TL/F/6381–1 Order Number DM74LS90M or DM74LS90N See NS Package Number M14A or N14A TL/F/6381–2 Order Number DM74LS93M or DM74LS93N See NS Package Number M14A or N14A 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 (Reset) 7V Input Voltage (A or B) 5.5V Operating Free Air Temperature Range 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 DM74LS90 Units Min Nom Max VCC Supply Voltage 4.75 5 5.25 V VIH High Level Input Voltage 2 V VIL Low Level Input Voltage 0.8 V IOH High Level Output Current b0.4 mA IOL Low Level Output Current 8 mA fCLK Clock Frequency (Note 1) A to Q A 03 2 MHz Bt oQ B 01 6 fCLK Clock Frequency (Note 2) A to Q A 02 0 MHz Bt oQ B 01 0 tW Pulse Width (Note 1) A 15 B3 0 n s Reset 15 tW Pulse Width (Note 2) A 25 B5 0 n s Reset 25 tREL Reset Release Time (Note 1) 25 ns tREL Reset Release Time (Note 2) 35 ns TA Free Air Operating Temperature 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. ’LS90 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 2.7 3.4 VVoltage V IL e Max, V IH e Min VOL Low Level Output V CC e Min, I OL e Max Voltage V IL e Max, V IH e Min 0.35 0.5 V(Note 4) IOL e 4 mA, V CC e Min 0.25 0.4 II Input Current @ Max V CC e Max, V I e 7V Reset 0.1 Input Voltage VCC e Max A 0.2 mA VI e 5.5V B 0.4

’LS90 Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) (Continued) Symbol Parameter Conditions Min Typ Max Units(Note 1) IIH High Level Input V CC e Max, V I e 2.7V Reset 20 Current A4 0 mA B8 0 IIL Low Level Input V CC e Max, V I e 0.4V Reset b0.4 Current A b2.4 mA B b3.2 IOS Short Circuit V CC e Max (Note 2) b20 b100 mAOutput Current ICC Supply Current V CC e Max (Note 3) 9 15 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, both RO inputs grounded following momentary connection to 4.5V and all other inputs grounded. Note 4: QA outputs are tested at I OL e Max plus the limit value of I IL for the B input. This permits driving the B input while maintaining full fan-out capability. ’LS90 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 A to Q A 32 20 MHzFrequency Bt oQ B 16 10 tPLH Propagation Delay Time At oQ A 16 20 nsLow to High Level Output tPHL Propagation Delay Time At oQ A 18 24 nsHigh to Low Level Output tPLH Propagation Delay Time At oQ D 48 52 nsLow to High Level Output tPHL Propagation Delay Time At oQ D 50 60 nsHigh to Low Level Output tPLH Propagation Delay Time Bt oQ B 16 23 nsLow to High Level Output tPHL Propagation Delay Time Bt oQ B 21 30 nsHigh to Low Level Output tPLH Propagation Delay Time Bt oQ C 32 37 nsLow to High Level Output tPHL Propagation Delay Time Bt oQ C 35 44 nsHigh to Low Level Output tPLH Propagation Delay Time Bt oQ D 32 36 nsLow to High Level Output tPHL Propagation Delay Time Bt oQ D 35 44 nsHigh to Low Level Output tPLH Propagation Delay Time SET-9 to 30 35 nsLow to High Level Output Q A,Q D tPHL Propagation Delay Time SET-9 to 40 48 nsHigh to Low Level Output Q B,Q C tPHL Propagation Delay Time SET-0 to 40 52 nsHigh to Low Level Output Any Q

Recommended Operating Conditions Symbol Parameter DM74LS93 Units Min Nom Max VCC Supply Voltage 4.75 5 5.25 V VIH High Level Input Voltage 2 V VIL Low Level Input Voltage 0.8 V IOH High Level Output Current b0.4 mA IOL Low Level Output Current 8 mA fCLK Clock Frequency (Note 1) A to Q A 03 2 Bt oQ B 01 6 MHz fCLK Clock Frequency (Note 2) A to Q A 02 0 Bt oQ B 01 0 tW Pulse Width (Note 1) A 15 B3 0 n s Reset 15 tW Pulse Width (Note 2) A 25 B5 0 n s Reset 25 tREL Reset Release Time (Note 1) 25 ns tREL Reset Release Time (Note 2) 35 ns TA Free Air Operating Temperature 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. ’LS93 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 2.7 3.4 VVoltage V IL e Max, V IH e Min VOL Low Level Output V CC e Min, I OL e Max Voltage V IL e Max, V IH e Min 0.35 0.5 V (Note 4) IOL e 4 mA, V CC e Min 0.25 0.4 II Input Current @Max V CC e Max, V I e 7V Reset 0.1 Input Voltage VCC e Max A 0.2 mA VI e 5.5V B 0.4 IIH High Level Input V CC e Max Reset 20 Current V I e 2.7V A4 0 mA B8 0

’LS93 Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted) (Continued) Symbol Parameter Conditions Min Typ Max Units(Note 1) IIL Low Level Input V CC e Max, V I e 0.4V Reset b0.4 Current A b2.4 mA B b1.6 IOS Short Circuit V CC e Max (Note 2) b20 b100 mAOutput Current ICC Supply Current V CC e Max (Note 3) 9 15 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, both RO inputs grounded following momentary connection to 4.5V and all other inputs grounded. Note 4: QA outputs are tested at I OL e max plus the limit value of I IL for the B input. This permits driving the B input while maintaining full fan-out capability. ’LS93 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 A to Q A 32 20 MHzFrequency Bt oQ B 16 10 tPLH Propagation Delay Time At oQ A 16 20 nsLow to High Level Output tPHL Propagation Delay Time At oQ A 18 24 nsHigh to Low Level Output tPLH Propagation Delay Time At oQ D 70 85 nsLow to High Level Output tPHL Propagation Delay Time At oQ D 70 90 nsHigh to Low Level Output tPLH Propagation Delay Time Bt oQ B 16 23 nsLow to High Level Output tPHL Propagation Delay Time Bt oQ B 21 30 nsHigh to Low Level Output tPLH Propagation Delay Time Bt oQ C 32 37 nsLow to High Level Output tPHL Propagation Delay Time Bt oQ C 35 44 nsHigh to Low Level Output tPLH Propagation Delay Time Bt oQ D 51 60 nsLow to High Level Output tPHL Propagation Delay Time Bt oQ D 51 70 nsHigh to Low Level Output tPHL Propagation Delay Time SET-0 to 40 52 nsHigh to Low Level Output Any Q

(See Note A) Count Output QD QC QB QA 0L L L L 1L L L H 2L L H L 3L L H H 4L H L L 5L H L H 6L H H L 7L H H H 8H L L L 9H L L H LS90 Bi-Quinary (5-2) (See Note B) Count Output QA QD QC QB

0 LLLL

1 LLLH

4 LHLL

7 HLHL

8 HLHH

(See Note C) Count Output QD QC QB QA 0L L L L 1L L L H 2L L H L 3L L H H 4L H L L 5L H L H 6L H H L 7L H H H 8H L L L 9H L L H

10 H L H L

11 H L H H

12 H H L L

13 H H L H

14 H H H L

15 H H H H

Note A: Output Q A is connected to input B for BCD count. Note B: Output Q D is connected to input A for bi-quinary count. Note C: Output Q A is connected to input B. Note D: H e High Level, L e Low Level, X e Don’t Care. LS90 Reset/Count Truth Table Reset Inputs Output R0(1) R0(2) R9(1) R9(2) Q D QC QB QA HHL X L L L L HHX L L L L L XXHH H L L H X L X L COUNT L X L X COUNT L X X L COUNT X L L X COUNT LS93 Reset/Count Truth Table Reset Inputs Output R0(1) R0(2) Q D QC QB QA HH L L L L L X COUNT X L COUNT

TL/F/6381–3 LS93 TL/F/6381–4 The J and K inputs shown without connection are for reference only and are functionally at a high level.

Physical Dimensions inches (millimeters) 14-Lead Small Outline Molded Package (M) Order Number DM74LS90M or DM74LS93M

DM74LS90/DM74LS93 Decade and Binary Counters Physical Dimensions inches (millimeters) (Continued) 14-Lead Molded Dual-In-Line Package (N) Order Number DM74LS90N or DM74LS93N 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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