The M54/74HC4024 is a high speed CMOS 7STAGE BINARY COUNTER fabricated in silicon
gate C2MOS technology. It has the same high
speed performance of LSTTL combined with true
CMOS low power consumption. The HC4024is a 7
stage Counter. This devices is incremented on the
falling edge (negative transition) of the input clock,
andall itsoutputsarereset toalowlevelby applying
a logical high on their reset input. All inputs are
equipped with protection circuits against static discharge andtransient excess voltage.
PIN CONNECTIONS(top view)
NC =
No Internal
Connection
October 1992
1/11
M54/M74HC4024
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
CLOCKCLEAROUTPUT STATE
XHALL OUTPUTS = ”L”
X:DON’TCARE
LNO CHANGE
LADVANCE TO NEXT STATE
LOGIC DIAGRAM
2/11
M54/M74HC4024
PIN DESCRIPTION
IEC LOGIC SYMBOL
PIN NoSYMBOLNAME AND FUNCTION
1CLOCKClock Input (HIGH to
LOW, Edge-triggered)
2RESETReset Input (Active
HIGH)
12, 11, 9, 6,
Q1 to Q7Parallel Outputs
5, 4, 3
8, 10, 13NCNot Connected
7GNDGround (0V)
14V
CC
Positive Supply Voltage
ABSOLU TE MAXIMU M RAT INGS
SymbolParameterValueUnit
V
CC
V
V
O
I
IK
I
OK
I
O
or I
I
CC
P
D
T
stg
T
AbsoluteMaximumRatingsarethose values beyond whichdamage tothedevicemayoccur. Functional operation under these conditionisnotimplied.
(*)500 mW: ≅ 65oC derateto300mWby 10mW/oC: 65oCto85oC
Supply Voltage-0.5 to +7V
DC Input Voltage-0.5 to VCC+ 0.5V
I
DC Output Voltage-0.5 to VCC+ 0.5V
DC Input Diode Current± 20mA
DC Output Diode Current± 20mA
DC Output Source Sink Current Per Output Pin± 25mA
DC VCCor Ground Current± 50mA
GND
Power Dissipation500 (*)mW
Storage Temperature-65 to +150
Lead Temperature (10 sec)300
L
o
C
o
C
RECO MM ENDED OPERATI N G CONDI TIONS
SymbolParameterValueUnit
V
T
t
V
V
r,tf
Supply Voltage2 to 6V
CC
Input Voltage0 to V
I
Output Voltage0 to V
O
Operating Temperature: M54HC Series
op
M74HC Series
CC
CC
-55 to +125
-40 to +85
Input Rise and Fall TimeVCC= 2 V0 to 1000ns
V
= 4.5 V0 to 500
CC
= 6 V0 to 400
V
CC
V
V
o
C
o
C
3/11
M54/M74HC4024
DC SPECIFICATIO NS
SymbolParameter
V
V
V
V
I
High Level Input
IH
Voltage
Low Level Input
IL
Voltage
High Level
OH
Output Voltage
Low Level Output
OL
Voltage
I
Input Leakage
I
Current
Quiescent Supply
CC
Current
Test ConditionsValue
V
(V)
CC
=25oC
A
54HC and 74HC
Min.Typ.Max.Min.Max.Min.Max.
-40 to 85oC
74HC
-55 to 125oC
54HC
Unit
T
2.01.51.51.5
4.53.153.153.15
6.04.24.24.2
2.00.50.50.5
4.51.351.351.35
6.01.81.81.8
2.0
4.54.44.54.44.4
6.05.96.05.95.9
4.5I
6.0I
2.0
4.50.00.10.10.1
6.00.00.10.10.1
4.5I
6.0I
6.0
=
V
I
IO=-20 µA
V
IH
or
V
IL
=-4.0 mA 4.184.314.134.10
O
=-5.2 mA 5.685.85.635.60
O
V
=
I
IO=20µA
V
IH
or
V
IL
= 4.0 mA0.170.260.330.40
O
= 5.2 mA0.180.260.330.40
O
VI=VCCor GND±0.1±1±1µA
1.92.01.91.9
0.00.10.10.1
6.0 VI=VCCor GND44080µA
V
V
V
V
4/11
M54/M74HC4024
AC ELECTRICAL CHARACTERISTICS (CL=50pF,Inputtr=tf=6ns)
Test ConditionsValue
T
=25oC
SymbolParameter
t
t
TLH
THL
Output Transition
Time
V
CC
(V)
2.0307595110
4.58151922
A
54HC and 74HC
Min.Typ.Max.Min.Max.Min.Max.
6.07131619
t
PLH
t
PHL
Propagation
Delay Time
(Qn - Qn + 1)
t
PLH
t
PHL
Propagation
Delay Time
Clock - Q1
t
PHL
Propagation
Delay Time
(CLEAR - Qn)
f
MAX
Maximum Clock
Frequency
2.024607590
4.56121518
6.05101315
2.060120150180
4.515243036
6.013202631
2.060120150180
4.515243036
6.013202631
2.081775.6
4.542673428
6.049794034
t
W(H)
t
W(L)
Minimum Pulse
Width (CLOCK)
2.0247595110
4.56151922
6.05131619
t
W(H)
Minimum Pulse
Width (CLEAR)
2.0327595110
4.58151922
6.07131619
t
REM
Minimum
Removal Time
2.0253040
4.5568
6.0557
C
C
PD
Input Capacitance5101010pF
IN
(*)Power Dissipation
34
Capacitance
(*) CPDisdefined as the value ofthe IC’sinternal equivalent capacitance whichis calculated fromthe operatingcurrentconsumption without load.
(Referto Test Circuit). Average operting current canbe obtained by the followingequation. ICC(opr) = CPD•VCC•fIN+I
-40 to 85oC
74HC
-55 to 125oC
54HC
CC
Unit
ns
ns
ns
ns
ns
ns
ns
ns
pF
5/11
M54/M74HC4024
SWITCHING CHARACTERISTICS TEST WAVEFORM
TEST CIRCUIT ICC(Opr.)
INPUT WAVEFORMIS THE SAME AS THATIN CASEOF SWITCHINGCHARACTERISTICS TEST.
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consequences of useof suchinformation nor forany infringement ofpatents or other rights of third parties which may results from its use. No
license is granted byimplication or otherwiseunder any patentor patent rights ofSGS-THOMSON Microelectronics. Specificationsmentioned
in this publication are subjectto changewithout notice. This publication supersedes andreplaces all information previously supplied.
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written approval of SGS-THOMSON Microelectonics.
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