UNISONIC TECHNOLOGIES CO., LTD C555 Preliminary CMOS IC SINGLE TIMER DESCRIPTION The C555 astable and monostable timing circuit is a highly stable controller capable of producing accurate time delays, or oscillation. FEATURES * Timing from microseconds through hours * High speed operation – 500kHz * Wide operation supply voltage range – 2 to 18 voltages * Low Supply Current －0.2mA * Operates in both astable and monostable modes * High output source/sink driver can drive TTL / CMOS * Adjustable duty cycle ORDERING INFORMATION Ordering Number Lead Free C555L-D08-T C555L-S08-T C555L-S08-R Halogen Free C555G-D08-T C555G-S08-T C555G-S08-R www.unisonic.com.tw Copyright © 2013 Unisonic Technologies Co., Ltd Package Packing DIP-8 SOP-8 SOP-8 Tube Tube Tape Reel 1 of 4 QW-R502-A12.b C555 Preliminary PIN CONFIGURATION PIN DESCRIPTION PIN No. 1 PIN NAME GND Ground 2 TRIGGER Trigger voltage input 3 Output Output 4 RESET Direct reset low input 5 6 7 8 Control_Voltage Threshold Discharge VCC CMOS IC DESCRIPTION Control voltage Threshold voltage input Discharging when output is low Supply voltage TRUTH TABLE THRESHOLD TRIGGER RESET OUTPUT DISCHARGE X >2/3×VCC <2/3×VCC X X >1/3×VCC >1/3×VCC <1/3×VCC L H H H L L STABLE H ON ON STABLE OFF BLOCK DIAGRAM UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 2 of 4 QW-R502-A12.b C555 Preliminary CMOS IC ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL RATINGS UNIT Supply Voltage VCC 18 V Input Voltage VTH, VTRIG, VRST -0.3 ~ VCC+0.3 V Output Current IO 100 mA Power Dissipation PD 200 mW Junction Temperature TJ 125 °C Operating Temperature TOPR -20~85 °C Storage Temperature TSTG -65~150 °C Note: Absolute maximum ratings and operation rating recommended are those values beyond which the device could be permanently damaged. Absolute maximum ratings are stress ratings only and functional device operation is not implied. RECOMMENDED OPERATING CONDITIONS PARAMETER Supply Voltage Output Current Operating Temperature SYMBOL VCC IO TOPR RATINGS 2.0 ~ 18 20 -20~75 UNIT V mA °C ELECTRICAL CHARACTERISTICS (unless otherwise specified) PARAMETER TA=25°C Supply Current Initial Accuracy Drift with Supply Voltage Control Voltage Threshold Voltage Trigger Voltage Reset Voltage SYMBOL ICC ACCUR ∆t/∆VCC VC VTH VTR VRST Low Output Voltage VOL High Output Voltage VOH Rise/Fall Time of Output Guaranteed Max Osc Freq TA=-20~70°C tTHL, tTLH, fMAX Supply Current ICC Initial Accuracy ACCUR Drift with Temperature ∆t/∆T Drift with Supply Voltage Control Voltage Threshold Voltage Trigger Voltage Reset Voltage Low Output Voltage High Output Voltage Rise/Fall Time of Output Guaranteed Max Osc Freq TEST CONDITIONS VCC=2V VCC=18V VCC=5V, RL=1~100kΩ, CL=0.1μF VCC=5V VCC=5V VCC=2~18V VCC=5V, IOL=3.2 mA VCC=15V, IOL=20mA VCC=5V, IOL=0.8mA VCC=15V, IOL=0.8mA VCC=15V, RL=10MΩ, CL=10pF VCC=2~18V, Astable Operation VCC=2V VCC=18V VCC=5V, RL=1~100kΩ, CL=0.1μF VCC=5V VCC=5V, RL=1~100kΩ, VCC=15V CL=0.1μF VCC=5V ∆t/∆VCC VC VTH VCC=5V VTR VCC=5V VRST VCC=2~18V VCC=5V, IOL=3.2mA VOL VCC=15V, IOL=20mA VCC=5V, IOL=0.8mA VOH VCC=15V, IOL=0.8mA tTHL, tTLH, VCC=5V, RL=10MΩ, CL=10pF fMAX VCC=2~18V, Astable Operation UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw MIN TYP MAX UNIT 200 300 μA μA % %/C V V V V V V V V ns kHz 5 0.65×VCC 0.65×VCC 0.31×VCC 0.4 4.0 14.3 35 500 3 0.69×VCC 0.70×VCC 0.36×VCC 1.0 0.4 1.0 75 400 600 5 0.60×VCC 0.60×VCC 0.28×VCC 0.2 3.5 14 70 200 0.02 0.06 6 0.80×VCC 0.80×VCC 0.40×VCC 1.5 0.6 1.5 150 μA μA % %/°C %/°C %/C V V V V V V V V ns kHz 3 of 4 QW-R502-A12.b C555 Preliminary CMOS IC TYPICAL APPLICATION CIRCUIT TRIGGER RESET SWITCHING WAVEFORMS UTC assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all UTC products described or contained herein. UTC products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice. UNISONIC TECHNOLOGIES CO., LTD www.unisonic.com.tw 4 of 4 QW-R502-A12.b