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PDF ELM460 Data sheet ( Hoja de datos )
| Número de pieza | ELM460 | |
| Descripción | Impossible Oscillator | |
| Fabricantes | ELM | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de ELM460 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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ELM460
Impossible Oscillator
Description
The ELM460 is a complete astable oscillator
circuit in an 8 pin package. The circuit (impossibly!)
requires no external components to operate, as all
timing is generated internally.
Immediately after power-up, the ELM460 begins
to oscillate continuously at a frequency determined
by the logic levels on the configuration inputs. At the
end of every period, the circuit again reads these
configuration settings, and automatically adapts to
any changes that are made.
Two outputs are provided, an active high output
and it’s logical inverse. The circuit output is always a
50msec pulse, independent of the time period
selected.
Features
• Requires no external components
• Low power CMOS design - typically 1mA at 5V
• Wide supply range - 3.0 to 5.5 volt operation
• Provides periods from 0.1 to 600 seconds
• High current drive outputs - up to 25 mA
Connection Diagram
PDIP and SOIC
(top view)
Applications
• Time Base Generator
• Power Gating Controller
• LED Flasher
• Programmable Timer
VDD 1
P1 2
P0 3
M1 4
8 VSS
7 Out
6 Out
5 M0
Block Diagram
Base Period
Generator
Rate
Multiplier
P1 2
P0 3
M1 4
M0 5
50ms Pulse
Generator
7 Out
6 Out
ELM460DSB
P1 P0 Period
L L 1 sec
L H 2 sec
H L 5 sec
H H 6 sec
M1 M0 Multiplier
L L 0.1
LH
1
HL
10
H H 100
Elm Electronics – Circuits for the Hobbyist
< http://www.elmelectronics.com/ >
1 of 4
Free Datasheet http://www.datasheet4u.com/
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet ELM460.PDF ] | |
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