Datasheet > SE555Q

SE555Q

更新时间： 2024-11-11 14:53:47

品牌	Logo	应用领域
美台 - DIODES		/
页数	文件大小	规格书
14页	715K
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SE555Q 数据手册

SE555Q

AUTOMOTIVE GRADE PRECISION TIMERS

Description

Pin Assignments

SE555Q is precision timing circuit 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. In the astable mode of operation, the

frequency and duty cycle can be controlled independently with two

external resistors and a single external capacitor.

(Top View)

GND

8 V_CC

DISCH

TRIG 2

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.

OUT

THRES

CONT

RESET

SO-8

The output circuit is capable of sinking or sourcing current up to

200mA. Operation is specified for supplies of 5V to 15V. With a 5V

supply, output levels are compatible with TTL inputs.

Features

•

Timing from Microseconds to Hours

Astable or Monostable Operation

Adjustable Duty Cycle

TTL Compatible Output Can Source or Sink up to 200mA

Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)

Halogen and Antimony Free. “Green” Device (Note 3)

The SE555Q is suitable for automotive applications

requiring specific change control; this part is AEC-Q100

qualified, PPAP capable, and manufactured in IATF 16949

certified facilities.

https://www.diodes.com/quality/product-definitions/

Notes:

1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant.

2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green" and

Lead-free.

3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and

<1000ppm antimony compounds.

1 of 14

www.diodes.com

May 2021

SE555Q

Document number: DS39476 Rev. 2 - 2

12 3 4 5 6 7...14

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与SE555Q相关器件

型号	品牌	获取价格	描述	数据表
SE555-SP	TI	获取价格	QML CLASS V PRECISION TIMER
SE555T	RENESAS	获取价格	PULSE, TIMER, MBCY8, METAL CAN, TO-99, 8 PIN
SE555T	NXP	获取价格	IC PULSE; RECTANGULAR, TIMER, MBCY8, Analog Waveform Generation Function
SE555T883B	NXP	获取价格	IC PULSE; RECTANGULAR, TIMER, MBCY8, Analog Waveform Generation Function
SE555T883M	NXP	获取价格	IC PULSE; RECTANGULAR, TIMER, MBCY8, Analog Waveform Generation Function
SE556	TI	获取价格	DUAL PRECISION TIMERS
SE556	NXP	获取价格	Dual timer
SE556	STMICROELECTRONICS	获取价格	GENERAL PURPOSE DUAL BIPOLAR TIMERS
SE5560	NXP	获取价格	Switched-mode power supply control circuit
SE5560F	NXP	获取价格	Switched-mode power supply control circuit

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