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CD4024BC 7-Stage Ripple Carry Binary Counter
October 1987 Revised April 2002
CD4024BC 7-Stage Ripple Carry Binary Counter
General Description
The CD4024BC is a 7-stage ripple-carry binary counter. Buffered outputs are externally available from stages 1 through 7. The counter is reset to its logical "0" stage by a logical "1" on the reset input. The counter is advanced one count on the negative transition of each clock pulse.
Features
s Wide supply voltage range: s Low power TTL compatibility: or 1 driving 74LS s High speed: 12 MHz (typ.) 3.0V to 15V Fan out of 2 driving 74L s High noise immunity: 0.45 VDD (typ.)
input pulse rate VDD - VSS = 10V s Fully static operation
Ordering Code:
Order Number CD4024BCM CD4024BCN Package Number M14A N14A Package Description 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow 14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter "X" to the ordering code.
Connection Diagram
Top View
(c) 2002 Fairchild Semiconductor Corporation
DS005957
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CD4024BC
Logic Diagrams
Input Logic
Flip-flop logic (1 of 7 identical stages).
Block Diagram
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CD4024BC
Absolute Maximum Ratings(Note 1)
(Note 2) DC Supply Voltage (VDD) Input Voltage (VIN ) Storage Temperature Range (TS) Power Dissipation (PD) Dual-In-Line Small Outline Lead Temperature (Soldering, 10 seconds) (TL) 260C 700 mW 500 mW
Recommended Operating Conditions (Note 1)
DC Supply Voltage (VDD) Input Voltage (VIN) Operating Temperature Range (TA)
-0.5 to +18 VDC -0.5 to VDD +0.5 VDC -65C to +150C
+3 to +15 VDC
0 to VDD VDC
-55C to +125C
Note 1: "Absolute Maximum Ratings" are those values beyond which the safety of the device cannot be guaranteed, they are not meant to imply that the devices should be operated at these limits. The table of "Recommended Operating Conditions" and "Electrical Characteristics" provides conditions for actual device operation. Note 2: VSS = 0V unless otherwise specified.
DC Electrical Characteristics (Note 2)
Symbol IDD Parameter Quiescent Device Current VDD = 5V VDD = 10V VDD = 15V VOL LOW Level Output Voltage |lO|<1 A VDD = 5V VDD = 10V VDD = 15V VOH HIGH Level Output Voltage |lO|<1 A VDD = 5V VDD = 10V VDD = 15V VIL LOW Level Input Voltage |lO|<1 A VDD = 5V, VO = 0.5V or 4.5V VDD = 10V, VO = 1.0V or 9.0V VDD = 15V, VO = 1.5V or 13.5V VIH HIGH Level Input Voltage |lO|<1 A VDD = 5V, VO = 0.5V or 4.5V VDD = 10V, VO = 1.0V or 9.0V VDD = 15V, VO = 1.5V or 13.5V IOL LOW Level Output Current (Note 3) IOH HIGH Level Output Current (Note 3) IIN Input Current VDD = 5V, VO = 0.4V VDD = 10V, VO = 0.5V VDD = 15V, VO = 1.5V VDD = 5V, VO = 4.6V VDD = 10V, VO = 9.5V VDD = 15V, VO = 13.5V VDD = 15V, VIN = 0V VDD = 15V, VIN = 15V
Note 3: IOH and IOL are tested one output at a time.
Conditions
-55C Min Max 5 10 20 0.05 0.05 0.05 4.95 9.95 14.95 1.5 3.0 4.0 3.5 7.0 11.0 0.64 1.6 4.2 -0.64 -1.6 -4.2 -0.1 0.1 3.5 7.0 11.0 0.51 1.3 3.4 -0.51 -1.3 -3.4 4.95 9.95 14.95 Min
+25C Typ 0.3 0.5 0.7 0 0 0 5 10 15 2 4 6 3 6 9 0.88 2.25 8.8 -0.88 -2.25 -8.8 -10-5 10-5 -0.1 0.1 1.5 3.0 4.0 Max 5 10 20 0.05 0.05 0.05
+125C Min Max 150 300 600 0.05 0.05 0.05 4.95 9.95 14.95 1.5 3.0 4.0 3.5 7.0 11.0 0.36 0.9 2.4 -0.36 -0.9 -2.4 -1.0 1.0
Units
A
V
V
V
V
mA
mA
A
3
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CD4024BC
AC Electrical Characteristics
Symbol tPHL, tPLH Parameter Propagation Delay Time to Q1 Output tTHL, tTLH Transition Time
(Note 4)
Conditions Min Typ 185 85 70 100 50 40 75 40 35 Max 350 125 100 200 100 80 200 110 90 15 10 8 1.5 4 5 5 12 15 185 85 70 185 85 70 5 350 125 100 350 125 100 7.5 pF ns ns MHz s ns ns ns Units
TA = 25C, CL = 50 pF, RL = 200 k, tr and tf = 20 ns unless otherwise specified VDD = 5V VDD = 10V VDD = 15V VDD = 5V VDD = 10V VDD = 15V tWL, tWH Minimum Input Pulse Width VDD = 5V VDD = 10V VDD = 15V tRCL, tFCL Input Rise and Fall Time VDD = 5V VDD = 10V VDD = 15V fCL Maximum Input Pulse Frequency VDD = 5V VDD = 10V VDD = 15V tPHL Reset Propagation Delay Time VDD = 5V VDD = 10V VDD = 15V tWH Reset Minimum Pulse Width VDD = 5V VDD = 10V VDD = 15V CIN Input Capacitance (Note 5) Any Input
Note 4: AC Parameters are guaranteed by DC correlated testing. Note 5: Capacitance is guaranteed by periodic testing.
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CD4024BC
Physical Dimensions inches (millimeters) unless otherwise noted
14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150" Narrow Package Number M14A
5
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CD4024BC 7-Stage Ripple Carry Binary Counter
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300" Wide Package Number N14A
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and Fairchild reserves the right at any time without notice to change said circuitry and specifications. LIFE SUPPORT POLICY FAIRCHILD'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 FAIRCHILD 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 (c) 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. www.fairchildsemi.com 6 2. A critical component in 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. www.fairchildsemi.com

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