N555 datasheet(4/24 Pages) TI

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Absolute Maximum Ratings

(1)

Recommended Operating Conditions

NA555, NE555, SA555, SE555

PRECISION TIMERS

SLFS022F – SEPTEMBER 1973 – REVISED JUNE 2006

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

MIN

MAX

UNIT

VCC

Supply voltage(2)

Input voltage

CONT, RESET, THRES, TRIG

VCC

Output current

±225

D package

P package

Package thermal impedance(3)(4)

°C/W

PS package

PW package

149

FK package

5.61

Package thermal impedance(5)(6)

°C/W

JG package

14.5

Operating virtual junction temperature

150

°C

Case temperature for 60 s

FK package

260

°C

Lead temperature 1, 6 mm (1/16 in) from case for 60 s

JG package

300

°C

Tstg

Storage temperature range

–65

150

°C

(1)

Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating

conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

(2)

All voltage values are with respect to GND.

(3)

Maximum power dissipation is a function of TJ(max), θJA, and TA. The maximum allowable power dissipation at any allowable ambient

temperature is PD = (TJ(max) - TA)/θJA. Operating at the absolute maximum TJ of 150°C can affect reliability.

(4)

The package thermal impedance is calculated in accordance with JESD 51-7.

(5)

Maximum power dissipation is a function of TJ(max), θJC, and TC. The maximum allowable power dissipation at any allowable case

temperature is PD = (TJ(max) - TC)/θJC. Operating at the absolute maximum TJ of 150°C can affect reliability.

(6)

The package thermal impedance is calculated in accordance with MIL-STD-883.

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

MIN

MAX

UNIT

NA555, NE555, SA555

4.5

VCC

Supply voltage

SE555

4.5

Input voltage

CONT, RESET, THRES, and TRIG

VCC

Output current

±200

NA555

–40

105

NE555

Operating free-air temperature

°C

SA555

–40

SE555

–55

125

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