TS555 datasheet(7/12 Pages) STMICROELECTRONICS

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TS555

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STATIC ELECTRICAL CHARACTERISTICS

VCC = +12V, Tamb = +25°C, Reset to VCC (unless otherwise specified)

DYNAMIC ELECTRICAL CHARACTERISTICS

VCC = +12V, Tamb = +25°C, Reset to VCC (unless otherwise specified)

Symbol

Parameter

Min.

Typ.

Max.

Unit

ICC

Supply Current (no load, High and Low States)

Tmin. ≤ Tamb ≤ Tmax.

170

400

µA

VCL

Control Voltage Level

Tmin. ≤ Tamb ≤ Tmax.

7.4

7.3

8.6

8.7

VDIS

Discharge Saturation Voltage (Idis = 80mA)

Tmin. ≤ Tamb ≤ Tmax.

0.09

1.5

2.0

IDIS

Discharge Pin Leakage Current

100

VOL

Low Level Output Voltage (Isink = 50mA)

Tmin. ≤ Tamb ≤ Tmax.

1.2

2.8

VOH

High Level Output Voltage (Isource = -10mA)

Tmin. ≤ Tamb ≤ Tmax.

10.5

VTRIG

Trigger Voltage

Tmin. ≤ Tamb ≤ Tmax.

3.2

3.1

4.8

4.9

ITRIG

Trigger Current

ITH

Threshold Current

VRESET

Reset Voltage

Tmin. ≤ Tamb ≤ Tmax.

0.4

0.3

1.1

1.5

2.0

IRESET

Reset Current

Symbol

Parameter

Min.

Typ.

Max.

Unit

Timing Accuracy (Monostable) 1)

R = 10k

Ω, C = 0.1µF

VCC = +12V

see figure 2

Timing Shift with Supply Voltage Variations (Monostable) 1)

R = 10k

Ω, C = 0.1µF,VCC = +5V ±1V

0.38

%/V

Timing Shift with Temperature

Tmin. ≤ Tamb ≤ Tmax., VCC = +5

ppm/°C

fmax

Maximum Astable Frequency 2)

RA = 470Ω, RB = 200Ω, C = 200pF, VCC = +5V

2.7

MHz

Astable Frequency Accuracy 2)

RA =RB = 1kΩ to 100kΩ, C = 0.1µF, VCC = +12V

see figure 4

Timing Shift with Supply Voltage Variations (Astable mode)

RA =RB = 1kΩ to 100kΩ, C = 0.1µF, VCC = 5 to +12V

0.1

%/V

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