LM555C

Manufacturer Part NumberLM555C
DescriptionTimers for Timing Delays and Oscillator Application
ManufacturerHarris Corporation
LM555C datasheet
 
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S E M I C O N D U C T O R
May 1997
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%/
• Directly Interchangeable with SE555, NE555, MC1555,
and MC1455
Applications
• Precision Timing
• Sequential Timing
• Time Delay Generation
Ordering Information
PART NUMBER
(BRAND)
RANGE (
CA0555E
-55 to 125
CA0555M (555)
-55 to 125
CA0555M96 (555)
-55 to 125
CA0555T
-55 to 125
CA0555CE
CA0555CM (555C)
CA0555CM96 (555C)
CA0555CT
LM555N
-55 to 125
LM555CN
NE555N
NOTE:
Denotes Tape and Reel
Pinouts
CA555, CA555C (PDIP, SOIC)
LM555, LM555C, NE555 (PDIP)
TOP VIEW
GND
1
2
TRIGGER
OUTPUT
3
RESET
4
CA555, CA555C (METAL CAN)
TOP VIEW
GND
1
2
TRIGGER
3
OUTPUT
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CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
©
Copyright
Harris Corporation 1997
4
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LM555, LM555C, NE555
Timers for Timing Delays and Oscillator Application
in Commercial, Industrial and Military Equipment
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
o
oscillator operation and can maintain an accurately con-
C
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
• Pulse Generation
these circuits can source or sink up to a 200mA current or
• Pulse Detector
drive TTL circuits.
• Pulse Width and Position
Modulation
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
TEMP.
PKG.
o
C)
PACKAGE
NO.
type circuits are intended for applications requiring premium
electrical performance. The CA555C type circuits are
8 Ld PDIP
E8.3
intended for applications requiring less stringent electrical
8 Ld SOIC
M8.15
characteristics.
8 Ld SOIC
M8.15
8 Pin Metal Can
T8.C
0 to 70
8 Ld PDIP
E8.3
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0 to 70
8 Ld SOIC
M8.15
0 to 70
8 Ld SOIC
M8.15
0 to 70
8 Pin Metal Can
T8.C
8 Ld PDIP
E8.3
0 to 70
8 Ld PDIP
E8.3
0 to 70
8 Ld PDIP
E8.3
Functional Block Diagram
8
V+
7
DISCHARGE
6
THRESHOLD
5
CONTROL
VOLTAGE
V+
TAB
8
7
DISCHARGE
6
THRESHOLD
5
CONTROL
VOLTAGE
4
RESET
8-3
CA555, CA555C,
V+
TRIGGER
CONTROL
8
5
2
VOLTAGE
TRIGGER
COMPAR
6
THRESHOLD
COMPAR
FLIP-FLOP
4
1
GND
File Number
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3
OUTPUT
7
834.4