SA555DR

UMW
UMW R NA555, NE555, SA555, SE555 Features • • • • 1 Description These devices are precision timing circuits capable of producing accurate time delays or oscillation. In the time-delay or mono-stable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the a-stable mode of operation, the frequency and duty cycle can be controlled indepen...
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Технические характеристики

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Максимальная частота
Напряжение питания
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Рабочая температура
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Тип Наименование Корпус Упаковка i Выходов F макс Технология Ucc Icc T раб Примечания Карточка
товара
P= NE555DR (YOUTAI)
 
SOP-8 в ленте 2500 шт General purpose single bipolar timer

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UMW R NA555, NE555, SA555, SE555 Features • • • • 1 Description These devices are precision timing circuits capable of producing accurate time delays or oscillation. In the time-delay or mono-stable mode of operation, the timed interval is controlled by a single external resistor and capacitor network. In the a-stable mode of operation, the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor. Timing From Microseconds to Hours Astable or Monostable Operation Adjustable Duty Cycle TTL-Compatible Output Can Sink or Source Up to 200 mA The threshold and trigger levels normally are twothirds and one-third, respectively, of VCC. These levels can be altered by use of the control-voltage terminal. When the trigger input falls below the trigger level, the flip-flop is set, and the output goes high. If the trigger input is above the trigger level and the threshold input is above the threshold level, the flipflop is reset and the output is low. The reset (RESET) input can override all other inputs and can be used to initiate a new timing cycle. When RESET goes low, the flip-flop is reset, and the output goes low. When the output is low, a low-impedance path is provided between discharge (DISCH) and ground. Applications • • • Fingerprint Biometrics Iris Biometrics RFID Reader The output circuit is capable of sinking or sourcing current up to 200 mA. Operation is specified for supplies of 5 V to 15 V. With a 5-V supply, output levels are compatible with TTL inputs. Simplified Schematic VCC 8 6 THRES 2 TRIG RESET 4 CONT 5 Î Î Î Î Î Î R1 R S Î Î Î Î 3 OUT 1 Î Î Î Î 7 DISCH 1 GND www.umw-ic.com Î Î 1 友台半导体有限公司 PDF
Документация на SA555DR 

UMW NA555, NE555, SA555, SE555

Дата модификации: 13.10.2023

Размер: 516.7 Кб

18 стр.

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    NE555DR (YOUTAI)