µPC1555 TIMER CIRCUIT µPC1555 powerful integrated circuit. A

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µPC1555 TIMER CIRCUIT µPC1555 powerful integrated circuit. A

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INTEGRATED CIRCUIT Bipolar Analog Integrated Circuit
µPC1555
TIMER CIRCUIT
µPC1555 powerful integrated circuit. Adding external parts turn into various types timing signal generators, such monostable astable multivibrators. trigger, threshold, control pins. Inputting signal reset stop circuit operation easily. addition, output sink current high (maximum). used drive relays lamps.
TYPICAL CHARACTERISTICS
Supply voltage Output current capacity Temperature stability Rising falling time 0.005%/°C Circuit current (VCC
FEATURES
Monostable astable oscillation Interfacing directly with TTL-level signals Variable duty cycle
ORDERING INFORMATION
Part number Package 8-pin plastic (300 mil)
CONFIGURATION (TOP VIEW)
µPC1555C
µPC1555G2 8-pin plastic (225 mil)
Trigger
COMP
Flip-flop
COMP
Discharge
Output
Output stage
Threshold
Control voltage VREF
Reset
EQUIVALENT CIRCUIT
Threshold (3VCC) Control Trigger Reset Discharge
7.5k
Output
3.3k
Document G10649EJ6V0DS00 (6th edition) (Previous IC-1979) Date Published November 1995 Printed Japan
1986
µPC1555
ABSOLUTE MAXIMUM RATINGS 25°C)
Rated value Parameter Supply voltage Input voltage (trigger, threshold, reset, control) Applicable output voltageNote (output discharge) Output current Power dissipation Operating temperature Storage temperature Tstg 200Note 600Note +125 200Note 440Note +125 Symbol
µPC1555C
-0.3 -0.3
µPC1555G
-0.3 -0.3
Unit
-0.3
-0.3
Notes sure product within Power dissipation. 25°C, total loss derated (See PT-TA characteristic curve.) 25°C, total loss derated (See PT-TA characteristic curve.) This external voltage that applied output without deteriorating quality product causing damage product. sure product within rated value under conditions where coils inserted power turned off. output voltage that obtained during normal operation within output saturation voltage range. RECOMMENDED OPERATING CONDITIONS 25°C)
Parameter Supply voltage Oscillation frequency Output pulse width Input voltage (trigger, threshold) Input voltageNote (control) Reset voltage (high level) Reset voltage (low level) Symbol (OUT) Vreset Vreset Conditions MIN. MAX. Unit
125°C mW/°C. 125°C -4.4 mW/°C.
Note
This parameter defines voltage that applied when mode application circuit configured applying external voltage control pin. Usually, capacitance 0.01 connected shown application circuit.
µPC1555
ELECTRICAL CHARACTERISTICS 25°C,
Parameter Supply voltage Supply current Symbol "L"Note "L"Note Threshold voltage Threshold current Trigger voltage
Note
Conditions
MIN.
TYP.
MAX.
Unit
1.67
0.25
Trigger current Reset voltage Reset current Control voltage
Vreset Ireset Vcont
Note
0.25 0.75 0.35 15.0
3.33
Output saturation voltage
ISINK ISINK ISINK ISINK ISINK
12.5
Output saturation voltage
ISOURCE ISOURCE ISOURCE 12.75 2.75
13.3
Propagation delay Propagation delay Minimum trigger pulse width Minimum output pulse width
tPLH tPHL (tr) (OUT) min. min. (tr) min. Astable multivibrator
Minimum reset pulse width Timing error Initial accuracy Temperature drift Supply voltage drift
(reset)
0.01
ppm/°C
Notes When output "H", circuit current decreases approximately (when maximum allowable value determined supply voltage maximum value When reset driven level, discharge TrQ14 turned stopping oscillation (the output state undefined).
µPC1555
CHARACTERISTIC CURVES 25°C, TYP.) Minimum trigger pulse width characteristic
Minimum trigger pulse width (tr) (µs)
ICC-VCC characteristic
125°C 25°C Circuit current (mA)
-20°C
25°C 70°C
Supply voltage
Minimum trigger pulse voltage min.
ISOURCE-(VCC-VOUT) characteristic
Output saturation voltage VCC-VOUT -20°C
ISINK-VOUT characteristic
Output saturation voltage VOUT
25°C
20°C
0.01
70°C 25°C
70°C
Output source current ISOURCE (mA)
Output sink current ISINK (mA)
ISINK-VOUT characteristic
Output saturation voltage VOUT
ISINK-VOUT characteristic
Output saturation voltage VOUT
-20°C 25°C 70°C
-20°C
25°C
25°C
0.01
0.01
Output sink current ISINK (mA)
Output sink current ISINK (mA)
µPC1555
Propagation delay characteristic
Discharge saturation voltage VSAT (mV) 25°C
Propagation delay (µs)
Discharge ISINK-VSAT characteristic
1000
V,15
70°C
25°C -20°C
0.01
Minimum trigger pulse voltage
Discharge (pin sink current ISINK (mA)
PT-TA characteristic
tW-tW (tr) characteristic
Minimum output pulse width trigger pulse width
Total loss (mW)
Ambient temperature (°C)
Trigger pulse width (tr)
tW-ttr min. characteristic
tW(tr)
Minimum output pulse width trigger pulse width
Minimum trigger pulse voltage min.
µPC1555
FUNCTIONS Trigger (pin Output (pin Reset (pin Supplying one-third trigger triggers circuit, changing output voltage from high. maximum output current careful exceed total loss (see PT-TA characteristic curve). Supplying less reset stops circuit operation (such monostable astable multivibrator operation). When used, reset should clamped VCC. Control voltage (pin This voltage determines threshold level comparator. two-thirds VCC. possible configure (pulse width modulation) (pulse position modulation) mode application circuit supplying control voltage from outside. When this use, should bypassed using capacitor approximately 0.01 more table circuit operation. Threshold (pin Discharge (pin values external capacitor resistor connected this determine width output pulse. This used discharge external capacitor connected). operates, when internal flip-flop circuit turned reset signal applied.
µPC1555
APPLICATION CIRCUITS Monostable multivibrator Fig. Monostable Multivibrator Example
Note
Fig. Monostable Response Waveform
ms/DIV Trigger input voltage: V/DIV
TRIGGER
Output voltage: V/DIV
PC1555
OUTPUT
Capacitor (C1) voltage: V/DIV
Control voltage 0.01
When µPC1555 configured shown Fig. functions monostable multivibrator. Applying voltage one-third high less (trigger pulseNote (trigger pin) drives output high level. Under this condition, capacitor starts charging through resistor When charged two-thirds high VCC, (threshold
Capacitor capacitance (µF)
0.01
Fig. Interrelationships among Output Pulse Width, (approximate value obtained calculation)
0.01 0.001 (R1)
pin) turned inverted level. this point, starts discharging through When trigger pulse applied again, same operation repeated. Fig. shows this operation. capacitor connected functions nose filter control voltage. (reset pin) connected higher (for example, being connected VCC), circuit operation stopped switching from higher level. output pulse width (delay) determined theoretically (see Fig.
Output pulse width
value obtained this equation only approximate value, however. necessary obtain accurate output pulse width, determine through actual measurement confirmation; trimmer should used required. Moreover, should higher. Notes Keep trigger pulse width smaller than output pulse width. load connected across output pins, "staircase" occurs output waveform.
application circuits their parameters references only intended actual design-in's.
µPC1555
Astable multivibrator example Fig. Astable Multivibrator Example
Note
Fig. Astable Multivibrator Response Waveform
ms/DIV Output voltage: V/DIV
OUTPUT Control voltage 0.01
PC1555
Capacitor (C1) voltage: V/DIV
When µPC1555 used circuit configuration shown Fig. circuit triggered itself operate astable multivibrator, because (trigger pin) (threshold pin) connected each other. When output voltage high, capacitor charged through When charged
Capacitor capacitance
Fig. Interrelationships among Oscillation Frequency, (approximate value obtained calculation)
voltage two-thirds high VCC, threshold turned output becomes low. this point starts discharging through When discharges, voltage across decreases voltage one-third high VCC, trigger turned output voltage becomes high, causing charge current flow into through again. This operation shown Fig. Because repeats charging discharging between one-third high two-thirds high VCC, oscillation frequency affected supply voltage. Oscillation represented theoretically using following expressions. When output voltage high, charge time Adding expressions determines period Therefore, oscillation frequency (see Fig. reference) duty cycle determined equation
0.01 0.001
2R2)
Oscillation frequency (Hz) (Free running frequency)
0.693 0.693 2R2) 1.44 2R2)
When output voltage low, discharge time 0.693
values obtained this approximate values, however. necessary obtain accurate oscillation frequency, determine through actual measurement confirmation; trimmer should used required. Moreover, should higher. Note load connected across output pins, "staircase" occurs output waveform.
µPC1555
8PIN PLASTIC (300 mil)
NOTES Each lead centerline located within 0.25 (0.01 inch) true position (T.P.) maximum material condition. ltem center leads when formed parallel.
ITEM
MILLIMETERS 10.16 MAX. 1.27 MAX. 2.54 (T.P.) 0.50±0.10 MIN. 3.2±0.3 0.51 MIN. 4.31 MAX. 5.08 MAX. 7.62 (T.P.) 0.25 +0.10 -0.05 0.25 MIN. 0~15°
INCHES 0.400 MAX. 0.050 MAX. 0.100 (T.P.) 0.020 +0.004 -0.005 0.055 MIN. 0.126±0.012 0.020 MIN. 0.170 MAX. 0.200 MAX. 0.300 (T.P.) 0.252 0.010 +0.004 -0.003 0.01 0.035 MIN. 0~15°
P8C-100-300B,C-1
µPC1555
PLASTIC (225 mil)
detail lead
NOTE Each lead centerline located within 0.12 (0.005 inch) true position (T.P.) maximum material condition.
ITEM
MILLIMETERS 5.37 MAX. 0.78 MAX. 1.27 (T.P.) 0.40 +0.10 -0.05 0.1±0.1 MAX. 1.49 6.5±0.3 0.15 +0.10 -0.05 0.6±0.2 0.12 0.10
INCHES 0.212 MAX. 0.031 MAX. 0.050 (T.P.) 0.016 +0.004 -0.003 0.004±0.004 0.071 MAX. 0.059 0.256±0.012 0.173 0.043 0.006 +0.004 -0.002 0.024 +0.008 -0.009 0.005 0.004 S8GM-50-225B-4
µPC1555
RECOMMENDED SOLDERING CONDITIONS conditions listed below shall when soldering µPC1555. Please consult with sales offices case other soldering process used, case soldering done under different conditions. Surface-Mount Devices details recommended soldering conditions, refer document Surface Mount Technology
Manual (IEI-1207).
µPC1555G2
Soldering process Infrared reflow Soldering conditions Peak package's surface temperature: 230°C Reflow time: seconds less 210°C more) Maximum allowable number reflow processes: Exposure limit: NoneNote Peak package's surface temperature: 215°C Reflow time: seconds less 200°C more) Maximum allowable number reflow processes: Exposure limit: NoneNote Temperature soldering vessel: 260°C less Soldering time: seconds less Maximum allowable number reflow processes: Exposure limit: NoneNote temperature: 300°C less Flow time: seconds less Exposure limit: NoneNote VP15-00 Symbol IR30-00
Wave soldering
WS60-00
Partial heating method
Note Exposure limit before soldering after dry-pack package opened. Storage conditions: Temperature 25°C less maximum relative humidity less Caution apply more than single process once, except "Partial heating method." Through-Hole Mount Devices
µPC1555C
Soldering process Wave soldering Soldering conditions Temperature soldering vessel: 260°C less Soldering time: seconds less
REFERENCE
Document name Semiconductor Device Reliability/Quality Control System Quality Grade Semiconductor Devices Semiconductor Device Mounting Technology Manual Semiconductor Device Package Manual Guide Quality Assurance Semiconductor Devices Semiconductor Selection Guide Document IEI-1212 IEI-1209 IEI-1207 IEI-1213 MEI-1202 MF-1134
µPC1555
[MEMO]
part this document copied reproduced form means without prior written consent Corporation. Corporation assumes responsibility errors which appear this document. Corporation does assume liability infringement patents, copyrights other intellectual property rights third parties arising from device described herein other liability arising from such device. license, either express, implied otherwise, granted under patents, copyrights other intellectual property rights Corporation others. While Corporation been making continuous effort enhance reliability semiconductor devices, possibility defects cannot eliminated entirely. minimize risks damage injury persons property arising from defect semiconductor device, customer must incorporate sufficient safety measures design, such redundancy, fire-containment, anti-failure features. devices classified into following three quality grades: "Standard", "Special", "Specific". Specific quality grade applies only devices developed based customer designated "quality assurance program" specific application. recommended applications device depend quality grade, indicated below. Customers must check quality grade each device before using particular application. Standard: Computers, office equipment, communications equipment, test measurement equipment, audio visual equipment, home electronic appliances, machine tools, personal electronic equipment industrial robots Special: Transportation equipment (automobiles, trains, ships, etc.), traffic control systems, anti-disaster systems, anti-crime systems, safety equipment medical equipment (not specifically designed life support) Specific: Aircrafts, aerospace equipment, submersible repeaters, nuclear reactor control systems, life support systems medical equipment life support, etc. quality grade devices "Standard" unless otherwise specified NEC's Data Sheets Data Books. customers intend devices applications other than those specified Standard quality grade, they should contact Sales Representative advance. Anti-radioactive design implemented this product.
94.11

µPC1555 TIMER CIRCUIT µPC1555 powerful integrated circuit. A

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