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HCC4047BF
LOW-POWELOW-POWER MONOSTABLE/ASTABLE MULTIVIBRATOR
HCC/HCF40 47BLOW-POWER MONOSTABLE/ASTABLE MULTIVIBRATOR LOW POWER CONSUMPTION: SPECIAL
COS/MOS OSCILLATOR CONFIGURATION. MONOSTABLE (one-shot) OR ASTABLE (free-
running) OPERATION. TRUE AND COMPLEMENTED BUFFERED
OUTPUTS. ONLY ONE EXTERNALR ANDC REQUIRED. BUFFERED INPUTS. QUIESCENT CURRENT SPECIFIED TO 20V
FOR HCC DEVICE. STANDARDIZED, SYMMETRICAL OUTPUT
CHARACTERISTICS. 5V, 10V, AND 15V PARAMETRIC RATINGS. INPUT CURRENT OF 100nAAT 18V AND 25°C
FOR HCC DEVICE. 100% TESTED FOR QUIESCENT CURRENT. MEETS ALLREQUIREMENTS OF JEDECTEN-
TATIVESTANDARDN°13A, ”STANDARD SPE-
CIFICATIONS FOR DESCRIPTION OF ”B”
SERIES CMOS DEVICES”
DESCRIPTIONTheHCC4047B(extended temperature range) and
HCF4047B (intermediate temperature range) are
monolithic integrated circuits, availablein 14-lead
dual in-line plasticor ceramic package and plas-
tic micropackage. The
HCC/HCF4047B consistsof gatable astable multivibrator with logic techniques
incorporatedto permit positiveor negative edge-
triggered monostable multivibrator action with retrig-
gering and external counting options. Inputs include
+TRIGGER-TRIGGER, ASTABLE, ASTABLE, RE-
TRIGGER,and EXTERNAL RESET. Buffered out-
puts areQ,Q, and OSCILLATOR.Inall modesof
operation, anexternal capacitor mustbe connected
between C-Timingand RC-Common terminals, and externalresistor mustbe connectedbetween the
R-Timing and RC-Common terminals. Foroperating
(Plastic Package)
(Ceramic Frit Seal Package)
(Micro Package)
(Plastic Chip Carrier)
ORDER CODES:HCC4047BF HCF4047BM1
HCF4047BEY HCF4047BC1
PIN CONNECTIONS
BLOCK DIAGRAM
FUNCTIONAL TERMINAL CONNECTIONS
Terminal Connections
Function* VDD to VSS Input
Pulseto
Output
Pulse
From
Output Period
Pulse WidthAstable Multivibrator:
Free Running
True Gating
Complement Gating5,6,146,14148,9,128,9,127,8,9 ,12
10, 11,13
10, 11,13
10, 11,13 (10, 11)= 4.40RC (13)= 2.20RC
Monostable Multivibrator:
Positive–Edge Trigger
Negative–Edge Trigger
Retriggerable
External Countdown**148,14146,7,9,127,9,126,7,96,7,8,9,1212
10,11
10,11
10,11
10,11 (10, 11)= 2.48RCInall cases external capacitorand resistor between pins,1,2 and3 (see logic diagrams). Input pulseto Resetof External Counting Chip.
External Counting Chip Outputtopin4.
HCC/HCF4047B
ABSOLUTE MAXIMUM RATINGS
Symbol Parameter Value UnitVDD* Supply Voltage:
HCC Types
HCF Types 0.5to+20 0.5to+18 Input Voltage – 0.5to VDD+ 0.5 V DC Input Current (any one input) ±10 mA
Ptot Total Power Dissipation (per package)
Dissipation per Output Transistor
for Top= Full Package-temperature Range
Top Operating Temperature:
HCC Types
HCF Types55to+ 125
–40to+85
Tstg Storage Temperature –65to+ 150 °C
Stresses above those listed under ”Absolute Maximum Ratings” may cause permanent damageto the device. Thisisa stress
rating only and functional operationofthe deviceat theseor any other conditions above those indicatedinthe operational sections this specificationisnot implied. Exposureto absolute maximum rating conditionsfor external periods may affect device reliability.All voltage values are referredto VSSpin voltage.
RECOMMENDED OPERATING CONDITIONS
Symbol Parameter Value UnitVDD Supply Voltage :HCC Types
HCF Types
3to18
3to15 Input Voltage 0to VDD V
Top Operating Temperature:
HCC Types
HCF Types55to+ 125
–40to+85
LOGIC DIAGRAM
HCC/HCF4047B
Detailfor Flip-flops FF1 and FF3(a) and for Flip-flops FF2 and FF4 (b).
STATIC ELECTRICAL CHARACTERISTICS (over recommended operating conditions)
Test Conditions Value VO |IO|VDD TLow* 25°CTHigh*Symbol Parameter(V) (V) (μA) (V)
Min. Max. Min. Typ. Max. Min. Max.
Unit Quiescent
Current HCC
Types5 5 1 0.02 1 30
0/10 10 2 0.02 2 60
0/15 15 4 0.02 4 120
0/20 20 20 0.04 20 600
HCF
Types5 5 4 0.02 4 30
0/10 10 8 0.02 8 60
0/15 15 16 0.02 16 120
VOH Output High
Voltage5 <1 5 4.95 4.95 4.950/10 <1 10 9.95 9.95 9.95
0/15 <1 15 14.95 14.95 14.95
VOL Output Low
Voltage
5/0 <1 5 0.05 0.05 0.0510/0 <1 10 0.05 0.05 0.05
15/0 <1 15 0.05 0.05 0.05
VIH Input High
Voltage
0.5/4.5 <1 5 3.5 3.5 3.51/9 <1 10 7 7 7
1.5/13.5<1 15 11 11 11
*TLow =– 55°Cfor
HCC device:– 40°Cfor
HCF device.
*THigh=+ 125°Cfor
HCC device:+ 85°Cfor
HCF device.
The Noise Marginfor both”1” and”0” levelis:1V min. with VDD= 5V,2V min. with VDD= 10V, 2.5V min. with VDD= 15V.
HCC/HCF4047B
DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb =25°C,CL= 50pF,RL= 200kΩ,
typical temperature coefficientforall VDD valuesis 0.3%/°C,all input rise and fall times= 20ns)
Value
Symbol Parameter
Test ConditionsDD (V)
Min. Typ. Max. UnittPLH,tPHL Propagation
Delay Time
Astable, Astableto
osc. out 200 400 100 200 80 160
Astable, AstabletoQ 350 700 175 350 125 250or– TriggertoQ 500 1000 225 450 150 300
STATIC ELECTRICAL CHARACTERISTICS (continued)
Test Conditions Value VO |IO|VDD TLow* 25°CTHigh*Symbol Parameter(V) (V) (μA) (V)
Min. Max. Min. Typ. Max. Min. Max.
UnitVIL Input Low
Voltage
4.5/0.5 <1 5 1.5 1.5 1.59/1 <1 10 3 3 3
13.5/1.5<1 15 4 4 4
IOH Output
Drive
Current HCC
Types5 2.5 5 –2 – 1.6– 3.2 – 1.155 4.6 5 – 0.64 – 0.51–1 – 0.36
0/10 9.5 10 –1.6 – 1.3– 2.6 – 0.9
0/15 13.5 15 –4.2 – 3.4– 6.8 – 2.4
HCF
Types5 2.5 5 – 1.53 – 1.36– 3.2 – 1.15 4.6 5 – 0.52 – 0.44–1 – 0.36
0/10 9.5 10 –1.3 – 1.1– 2.6 – 0.9
0/15 13.5 15 –3.6 – 3.0– 6.8 – 2.4
IOL Output
Sink
Current
HCC
Types5 0.4 5 0.64 0.51 1 0.36
0/10 0.5 10 1.6 1.3 2.6 0.9
0/15 1.5 15 4.2 3.4 6.8 2.4
HCF
Types5 0.4 5 0.52 0.44 1 0.36
0/10 0.5 10 1.3 1.1 2.6 0.9
0/15 1.5 15 3.6 3.0 6.8 2.4
IIH,IIL Input
leakage
Curent
HCC
Types 0/18
Any Input ± 0.1 ±10–5± 0.1 ±1HCF
Types 0/15 15 ± 0.3 ±10–5± 0.3 ±1 Input Capacitance Any Input 5 7.5 pF
*TLow =– 55°Cfor
HCC device:– 40°Cfor
HCF device.
*THigh =+ 125°Cfor
HCC device:+ 85°Cfor
HCF device.
The Noise Marginfor both”1” and”0” levelis:1V min. with VDD= 5V,2V min. with VDD= 10V, 2.5V min. with VDD= 15V.
HCC/HCF4047B
DYNAMIC ELECTRICAL CHARACTERISTICS (continued)
ValueSymbol Parameter Test ConditionsDD (V)
Min. Typ. Max. UnittPLH,tPHL Propagation
Delay Time
RetriggertoQ,Q 5 300 600 150 300 100 200
External ResettoQ 250 500 100 200 70 140
tTHL,tTLH Transition Time Osc. OutQ,Q 5 100 200 50 100 40 80 Input Pulse
Width: Trigger,
– Trigger 200 400 80 160 50 100
Reset 5 100 200 50 100 30 60
Retrigger 5 300 600 115 230 75 150
tr,tf Input Rise and Fall TimeAll Inputs 5
Unlimited μs10orQ Deviation from 50% Duty
Factor ± 0.5 ±110 ± 0.5 ±1 ± 0.1 ± 0.5
Typical Output Low (sink) Current Charac-
teristics.
Minimum Output Low (sink) Current Charac-
teristics.
HCC/HCF4047B
Typical Output High (source) Current Charac-
teristics.
Minimum Output High (source) Current Charac-
teristics.
APPLICATION INFORMATION- CIRCUIT DESCRIPTION
Astable operationis enabledbya high levelon the
ASTABLE input. The periodof the square waveat
theQ andQ Outputsin this modeof operationisa
functionof the external components employed.
”True” input pulseson the ASTABLE inputor ”Com-
plement” pulses onthe ASTABLE inputallow the cir-
cuitto be used asa gatable multivibrator. The
OSCILLATOR output period willbe halfof theQ ter-
minal outputin the astable mode. However,a 50%
duty cycleis not guaranteedat this output.In the
monostable mode, positive-edge triggeringis ac-
complishedby applicationofa leading-edge pulse the +TRIGGER input anda low levelto the –TRI-
GGER input. For negative-edge triggering,a trail-
ing-edge pulseis appliedto the –TRIGGER anda
high levelis appliedto the+TRIGGER. Input pulses
maybeof any duration relativeto the output pulse.
The multivibrator canbe retriggered (on the leading
edge only)by applyinga common pulseto both the
RETRIGGER and +TRIGGER inputs.In this mode
the output pulse remains highas longas the input
pulse periodis shorter than the period determined the RC components.An external countdown op-
tion canbe implementedby coupling ”Q”toan ex-
ternal ”N” counter and resetting the counter with the
trigger pulse. The counter output pulseis fed back the ASTABLE input and hasa duration equalto times the periodof the multivibrator.A high level the EXTERNAL RESET input assuresno output
pulse during an ”ON” power condition. This input
can alsobe activatedto terminate the output pulse any time.In the monostable mode,a high-levelor
power-on reset pulse, mustbe appliedto the EX-
TERNAL RESET whenever VDDis applied.- ASTABLE MODE
The following analysis presents worst-case vari-
ations from unit-to-unitasa functionof transfer-volt-
age (VTR) shift (33%– 67% VDD)for free-running
(astable) operation.
HCC/HCF4047B
VTRt1=– RCIn VDD +VTR
VDD –VTRt2=– RCIn 2VDD –VTR
(VTR)(VDD –VTR)tA =2(t1 +t2)= –2 RCIn (VDD +VTR)(2 VDD –VTR)
ASTABLE MODE WAVEFORMS.
Typ: VTR= 0.5 VDDtA= 4.40 RC
Min: VTR= 0.33 VDDtA= 4.62 RC
Max: VTR= 0.67 VDDtA= 4.62 RC
thusif tA= 4.40 RC isused, the maximum vari-
ation willbe(+ 5.0%,– 0.0%) additionto variations from unit-to-unit, the astable
period may varyasa functionof frequency withre-
spectto VDD and temperature.- MONOSTABLE MODE
The following analysis presents worst-case vari-
ations from unit-to-unitasa functionof transfer-volt-
age (VTR) shift (33%– 67% VDD) for one-shot
(monostable) operation.
VTRt1=– RCIn 2VDD
VDD –VTRt2=– RCIn 2VDD –VTR
(VTR)(VDD –VTR)tM =(t1 +t2)=– RCIn (2 VDD –VTR)(2 VDD)
MONOSTABLEWAVEFORMS.
WheretM= monostable mode pulse width. Values
fortM areas follows:
Typ: VTR= 0.5 VDD tM= 2.48 RC
Min: VTR= 0.33 VDD tM= 2.71 RC
Max: VTR= 0.67 VDD tM= 2.48 RC
Thusif tM= 2.48 RC is used, the maximum vari-
ation willbe(+ 9.3%,– 0.0%).
Note:In the astable mode, the first positive half
cyclehasa durationofTM; succeeding dur-
ations are tA/2. additionto variations from unitto unit, the mono-
stable pulse width may varyasa functionof fre-
quency with respectto VDD and temperature.- RETRIGGER MODE
The
HCC/HCF4047B canbe usedin the retrigger
modeto extend theoutput-pulse duration, ortocom-
pare the frequencyofan input signal withthatof the
internal oscillator.In the retrigger mode the input
pulse isappliedto terminals8 and12, and the output taken from terminal10or 11.As shownin fig.A
normal monostable actionis obtained when onere-
trigger pulseis applied. Extended pulse durationis
obtained when more than one pulseis applied. For
two input pulses, tRE =t1’+t1 +2t2. For more than
two pulses, tRE (Q OUTPUT) terminatesat some
variable timetD after the terminationof the last re-
trigger pulse.tDis variable because tRE (Q OUT-
PUT) terminates after the second positive edgeof
the oscillator output appearsat flip-flop4 (see logic
diagram).
HCC/HCF4047B
