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参数资料
| 型号： | LM555C |
| 厂商： | Intersil Corporation |
| 英文描述： | Timers for Timing Delays and Oscillator Applications in Commercial, Industrial and Military Equipment |
| 中文描述： | 计时器的时间延误和商业，工业和军事装备振荡器的应用 |
| 文件页数： | 1/6页 |
| 文件大小： | 84K |
| 代理商： | LM555C |
1
Semiconductor
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Copyright
Harris Corporation 1999
CA555, CA555C, LM555C
Timers for Timing Delays and Oscillator
Applications in Commercial, Industrial
and Military Equipment
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
accurate time delays for periods ranging from microseconds
through hours. These devices are also useful for astable
oscillator operation and can maintain an accurately
controlled 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.
Pinout
CA555, CA555C, LM555C, (PDIP)
TOP VIEW
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%/
o
C
Directly Interchangeable with SE555, NE555, MC1555,
and MC1455
Applications
Precision Timing
Sequential Timing
Time Delay Generation
Pulse Generation
Pulse Detector
Pulse Width and Position Modulation
Functional Block Diagram
Part Number Information
PART NUMBER
(BRAND)
TEMP.
RANGE (
o
C)
PACKAGE
PKG.
NO.
CA0555E
-55 to 125
8 Ld PDIP
E8.3
CA0555CE
0 to 70
8 Ld PDIP
E8.3
LM555CN
0 to 70
8 Ld PDIP
E8.3
GND
TRIGGER
OUTPUT
RESET
1
2
3
4
8
7
6
5
V+
DISCHARGE
THRESHOLD
CONTROL
VOLTAGE
THRESHOLD
COMPAR
6
T
8
V+
5
TRIGGER
COMPAR
2
CONTROL
VOLTAGE
TRIGGER
FLIP-FLOP
OUTPUT
3
O
7
D
4
R
1
GND
December 1999
File Number
834.6
[ /Title
(CA55
5,
CA555
C,
LM555
C)
/Sub-
ject
(Tim-
ers for
Timing
Delays
and
Oscilla-
tor
Appli-
cations
in
Com-
mer-
cial,
Indus-
trial
and
Mili-
tary
Equip-
ment)
/Author
()
/Key-
words
(Harris
Semi-
con-
ductor,
single,
timer,
ICM7555
POSOBSOLETE PRODUCT
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| LM555CM | 功能描述:计时器和支持产品 Single Timer RoHS:否 制造商:Micrel 类型:Standard 封装 / 箱体:SOT-23 内部定时器数量:1 电源电压-最大:18 V 电源电压-最小:2.7 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装:Reel |
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