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參數(shù)資料
| 型號： | LM556J-MIL/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬波形發(fā)生器 |
| 英文描述： | DUAL PULSE; RECTANGULAR, TIMER, CDIP14 |
| 封裝： | CERDIP-14 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 260K |
| 代理商： | LM556J-MIL/NOPB |
LM556
Dual Timer
General Description
The LM556 Dual timing circuit is a highly stable controller ca-
pable 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 timers oper-
ate independently of each other sharing only V
CC
and
ground. The circuits may be triggered and reset on falling
waveforms. The output structures may sink or source
200mA.
Features
n
Direct replacement for SE556/NE556
n
Timing from microseconds through hours
n
Operates in both astable and monostable modes
n
Replaces two 555 timers
n
Adjustable duty cycle
n
Output can source or sink 200mA
n
Output and supply TTL compatible
n
Temperature stability better than 0.005% per C
n
Normally on and normally off output
Applications
n
Precision timing
n
Pulse generation
n
Sequential timing
n
Time delay generation
n
Pulse width modulation
n
Pulse position modulation
n
Linear ramp generator
Connection Diagram
Ordering Information
Package
Part Number
Package Marking
Media Transport
NSC Drawing
14-Pin SOIC
LM556CM
Rails
M14A
LM556CMX
LM556CM
2.5k Units Tape and Reel
14-Pin MDIP
LM556CN
Rails
N14a
Dual-In-Line, Small Outline Packages
DS007852-1
Top View
March 2000
LM556
Dual
T
imer
2000 National Semiconductor Corporation
DS007852
www.national.com
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