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CA0555CT Datasheet(PDF) 1 Page - Harris Corporation |
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CA0555CT Datasheet(HTML) 1 Page - Harris Corporation |
1 / 6 page SEMICONDUCT OR 8-3 Features • Accurate Timing From Microseconds Through Hours • Astable and Monostable Operation • Adjustable Duty Cycle • Output Capable of Sourcing or Sinking up to 200mA • Output Capable of Driving TTL Devices • Normally ON and OFF Outputs • High Temperature Stability . . . . . . . . . . . . . . 0.005%/oC • Directly Interchangeable with SE555, NE555, MC1555, and MC1455 Applications • Precision Timing • Pulse Generation • Sequential Timing • Pulse Detector • Time Delay Generation • Pulse Width and Position Modulation Description The CA555 and CA555C are highly stable timers for use in precision timing and oscillator applications. As timers, these monolithic integrated circuits are capable of producing accu- rate time delays for periods ranging from microseconds through hours. These devices are also useful for astable oscillator operation and can maintain an accurately con- trolled free running frequency and duty cycle with only two external resistors and one capacitor. The circuits of the CA555 and CA555C may be triggered by the falling edge of the waveform signal, and the output of these circuits can source or sink up to a 200mA current or drive TTL circuits. These types are direct replacements for industry types in packages with similar terminal arrangements e.g. SE555 and NE555, MC1555 and MC1455, respectively. The CA555 type circuits are intended for applications requiring premium electrical performance. The CA555C type circuits are intended for applications requiring less stringent electrical characteristics. Ordering Information PART NUMBER (BRAND) TEMP. RANGE (oC) PACKAGE PKG. NO. CA0555E -55 to 125 8 Ld PDIP E8.3 CA0555M (555) -55 to 125 8 Ld SOIC M8.15 CA0555M96 (555) -55 to 125 8 Ld SOIC † M8.15 CA0555T -55 to 125 8 Pin Metal Can T8.C CA0555CE 0 to 70 8 Ld PDIP E8.3 CA0555CM (555C) 0 to 70 8 Ld SOIC M8.15 CA0555CM96 (555C) 0 to 70 8 Ld SOIC † M8.15 CA0555CT 0 to 70 8 Pin Metal Can T8.C LM555N -55 to 125 8 Ld PDIP E8.3 LM555CN 0 to 70 8 Ld PDIP E8.3 NE555N 0 to 70 8 Ld PDIP E8.3 NOTE: † Denotes Tape and Reel Pinouts CA555, CA555C (PDIP, SOIC) LM555, LM555C, NE555 (PDIP) TOP VIEW CA555, CA555C (METAL CAN) TOP VIEW Functional Block Diagram GND TRIGGER OUTPUT RESET 1 2 3 4 8 7 6 5 V+ DISCHARGE THRESHOLD CONTROL VOLTAGE V+ THRESHOLD TRIGGER RESET GND OUTPUT DISCHARGE CONTROL 2 4 6 1 3 7 5 8 TAB VOLTAGE THRESHOLD COMPAR 6 8 V+ 5 TRIGGER COMPAR 2 CONTROL VOLTAGE TRIGGER FLIP-FLOP OUTPUT 3 7 4 1 GND May 1997 CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures. Copyright © Harris Corporation 1997 CA555, CA555C, LM555, LM555C, NE555 Timers for Timing Delays and Oscillator Application in Commercial, Industrial and Military Equipment File Number 834.4 |
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