UNIT

SLFS022 – D1669, SEPTEMBER 1973—REVISED FEBRUARY 1992

NE555, SA555, SE555, SE555C

PRECISION TIMERS

POST OFFICE BOX 655303

4

absolute maximum ratings over operating free-air temperature range (unless otherwise noted)

18 V

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Input voltage (CONT, RESET, THRES, and TRIG)

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Output current

±225 mA

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Continuous total dissipation

See Dissipation Rating Table

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Operating free-air temperature range: NE555

0

°C to 70°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SA555

– 40

°C to 85°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SE555, SE555C

– 55

°C to 125°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Storage temperature range

– 65

°C to 150°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Case temperature for 60 seconds: FK package

260

°C

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds: D or P package

260

°C

. . . . . . . . . . . . . . . . .

Lead temperature 1,6 mm (1/16 inch) from case for 60 seconds: JG package

300

°C

. . . . . . . . . . . . . . . . . . . .

NOTE 1: All voltage values are with respect to network ground terminal.

DISSIPATION RATING TABLE

PACKAGE

TA ≤ 25°C

POWER RATING

DERATING FACTOR

ABOVE TA = 25°C

TA = 70°C

POWER RATING

TA = 85°C

POWER RATING

TA = 125°C

POWER RATING

D

725 mW

5.8 mW/

°C

464 mW

377 mW

N/A

FK

1375 mW

11.0 mW/

°C

880 mW

715 mW

275 mW

JG (SE555, SE555C)

1050 mW

8.4 mW/

°C

672 mW

546 mW

210 mW

JG (SA555, NE555C)

825 mW

6.6 mW/

°C

528 mW

429 mW

N/A

P

1000 mW

8.0 mW/

°C

640 mW

520 mW

N/A

recommended operating conditions

NE555

SA555

SE555

SE555C

MIN

MAX

MIN

MAX

MIN

MAX

MIN

MAX

Supply voltage, VCC

4.5

16

4.5

16

4.5

18

4.5

16

V

Input voltage (CONT, RESET, THRES, and TRIG)

VCC

VCC

VCC

VCC

V

Output current

±200

±200

±200

±200

mA

Operating free-air temperature, TA

0

70

–40

85

–55

125

–55

125

°C