SA555

更新时间： 2024-11-17 22:43:35

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
15页	254K
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PRECISION TIMERS

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SA555 数据手册

NE555, NE555Y, SA555, SE555, SE555C

PRECISION TIMERS

SLFS022 – SEPTEMBER 1973 – REVISED FEBRUARY 1992

Timing From Microseconds to Hours

Astable or Monostable Operation

Adjustable Duty Cycle

D, JG, OR P PACKAGE

(TOP VIEW)

GND

TRIG

OUT

TTL-Compatible Output Can Sink or

Source up to 200 mA

DISCH

THRES

CONT

RESET

Functionally Interchangeable With the

Signetics NE555, SA555, SE555, SE555C;

Have Same Pinout

FK PACKAGE

(TOP VIEW)

SE555C FROM TI IS NOT RECOMMENDED

FOR NEW DESIGNS

20 19

description

DISCH

TRIG

These devices are precision monolithic timing

circuitscapableofproducingaccuratetimedelays

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 may be independently

controlled with two external resistors and a single

external capacitor.

THRES

OUT

9 10 11 12 13

NC–No internal connection

The threshold and trigger levels are normally two-thirds and one-third, respectively, of V . 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. RESET 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.

Whenever the output is low, a low-impedance path is provided between DISCH and ground.

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.

The NE555 is characterized for operation from 0°C to 70°C. The SA555 is characterized for operation from

–40°C to 85°C. The SE555 and SE555C are characterized for operation over the full military range of –55°C

to 125°C.

AVAILABLE OPTIONS

PACKAGE

CHIP FORM

max

SMALL OUTLINE

(D)

CHIP CARRIER

(FK)

CERAMIC DIP

(J)

PLASTIC DIP

(P)

THRES

= 15 V

(Y)

11.2 V

0°C to 70°C

NE555D

SA555D

NE555P

SA555P

–40°C to 85°C

11.2 V

NE555Y

10.6 V

11.2 V

SE555D

SE555CD

SE555FK

SE555CFK

SE555JG

SE555CJG

SE555P

SE555CP

–55°C to 125°C

The D package is available taped and reeled. Add the suffix R to the device type (e.g., NE555DR).

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...15

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SA555 替代型号

型号	品牌	替代类型	描述	数据表
NA555	TI	功能相似	PRECISION TIMERS

与SA555相关器件

型号	品牌	获取价格	描述	数据表
SA555D	TI	获取价格	PRECISION TIMERS
SA555D	NXP	获取价格	Timer
SA555D	FAIRCHILD	获取价格	Single Timer
SA555D	STMICROELECTRONICS	获取价格	GENERAL PURPOSE SINGLE BIPOLAR TIMERS
SA555D	NEC	获取价格	PRECISION TIMERS
SA555D/DT	STMICROELECTRONICS	获取价格	TIMER
SA555DE4	TI	获取价格	PRECISION TIMERS
SA555DG4	TI	获取价格	PRECISION TIMERS
SA555DR	TI	获取价格	PRECISION TIMERS
SA555DR	NEC	获取价格	PRECISION TIMERS

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