Datasheet > SA555

SA555

更新时间： 2024-09-17 02:59:03

品牌	Logo	应用领域
友顺 - UTC		光电二极管
页数	文件大小	规格书
6页	190K
描述
PRECISION TIMERS

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SA555 数据手册

UNISONIC TECHNOLOGIES CO., LTD

SA555

Advance

LINEAR INTEGRATED CIRCUIT

PRECISION TIMERS



DESCRIPTION

The UTC SA555 monolithic timing circuit is a highly stable

controller capable of producing accurate time delays or

oscillation. In the time-delay or monostable mode of operation,

the timed interval is controlled by a single external resistor and

capacitor network.

SOP-8

In the astable mode of operation, the frequency and duty cycle

can be controlled independently with two external resistors and a

single external capacitor.

The threshold and trigger levels normally are two-thirds and

one-third, respectively, of V_CC. 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 flip-flop 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.

DIP-8

The circuit may be triggered and reset on falling waveforms,

and the output structure can source or sink up to 200mA.

Operation is specified for supplies of 5V~15V.



FEATURES

* Astable or monostable operation

* Low turn off time

* Operates in both astable and monostable modes

* Timing from microseconds to hours

* Adjustable duty cycle

* TTL-compatible output can sink or source up to 200Ma



ORDERING INFORMATION

Ordering Number

Lead Free

Package

Packing

Halogen Free

SA555G-S08-R

SA555G-S08-T

SA555G-D08-T

SA555L-S08-R

SOP-8

DIP-8

Tape Reel

Tube

SA555L-S08-T

SA555L-D08-T

Tube

Note: xx: Output Voltage, refer to Marking Information.

www.unisonic.com.tw

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QW-R106-005.a

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