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參數資料
| 型號： | LM556J |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬波形發生器 |
| 英文描述： | DUAL RECTANGULAR, TIMER, CDIP14 |
| 封裝： | CERAMIC, DIP-14 |
| 文件頁數： | 1/6頁 |
| 文件大小： | 158K |
| 代理商： | LM556J |
TLH7852
LM556LM556C
Dual
Timer
February 1995
LM556LM556C Dual Timer
General Description
The LM556 Dual timing circuit is a highly stable controller
capable of producing accurate time delays or oscillation
The 556 is a dual 555 Timing is provided by an external
resistor and capacitor for each timing function The two tim-
ers operate independently of each other sharing only VCC
and ground The circuits may be triggered and reset on fall-
ing waveforms The output structures may sink or source
200 mA
Features
Y
Direct replacement for SE556NE556
Y
Timing from microseconds through hours
Y
Operates in both astable and monostable modes
Y
Replaces two 555 timers
Y
Adjustable duty cycle
Y
Output can source or sink 200 mA
Y
Output and supply TTL compatible
Y
Temperature stability better than 0005% per C
Y
Normally on and normally off output
Applications
Y
Precision timing
Y
Pulse generation
Y
Sequential timing
Y
Time delay generation
Y
Pulse width modulation
Y
Pulse position modulation
Y
Linear ramp generator
Schematic Diagram
TLH7852 – 2
Connection Diagram
Dual-In-Line and Small Outline Packages
TLH7852 – 1
Top View
Order Number LM556J or LM556CJ
See NS Package Number J14A
Order Number LM556CM
See NS Package Number M14A
Order Number LM556CN
See NS Package Number N14A
C1995 National Semiconductor Corporation
RRD-B30M115Printed in U S A
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