LMC555-MD8 datasheet(5/28 Pages) TI1

Part #	LMC555-MD8

Description	CMOS Timer

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Manufacturer	TI1 [Texas Instruments]

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5

LMC555

www.ti.com

SNAS558M – FEBRUARY 2000 – REVISED JULY 2016

Product Folder Links: LMC555

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(1)

All voltages are measured with respect to the ground pin, unless otherwise specified.

(2)

If the RESET pin is to be used at temperatures of

−20°C and below VS is required to be 2.0 V or greater.

6.5 Electrical Characteristics

Test Circuit, T = 25°C, all switches open, RESET to VS unless otherwise noted

(1)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

IS

Supply Current

VS = 1.5 V

VS = 5 V

VS = 12 V

50

100

150

250

400

µA

VCTRL

Control Voltage

VS = 1.5 V

VS = 5 V

VS = 12 V

0.8

2.9

7.4

1.0

3.3

8.0

1.2

3.8

8.6

V

VDIS

Discharge Saturation Voltage

VS = 1.5 V, IDIS = 1 mA

VS = 5 V, IDIS = 10 mA

75

150

300

mV

VOL

Output Voltage (Low)

VS = 1.5 V, IO = 1 mA

VS = 5 V, IO = 8 mA

VS = 12 V, IO = 50 mA

0.2

0.3

1.0

0.4

0.6

2.0

V

VOH

Output Voltage

(High)

VS = 1.5 V, IO = −0.25 mA

VS = 5 V, IO = −2 mA

VS = 12 V, IO = −10 mA

1.0

4.4

10.5

1.25

4.7

11.3

V

VTRIG

Trigger Voltage

VS = 1.5V

VS = 12V

0.4

3.7

0.5

4.0

0.6

4.3

V

ITRIG

Trigger Current

VS = 5V

10

pA

VRES

Reset Voltage

VS = 1.5 V

(2)

VS = 12 V

0.4

0.7

0.75

1.0

1.1

V

IRES

Reset Current

VS = 5 V

10

pA

ITHRESH

Threshold Current

VS = 5 V

10

pA

IDIS

Discharge Leakage

VS = 12 V

1.0

100

nA

t

Timing Accuracy

SW 2, 4 Closed

VS = 1.5 V

VS = 5 V

VS = 12 V

0.9

1.0

1.1

1.25

1.20

1.25

ms

Δt/ΔVS

Timing Shift with Supply

VS = 5V ± 1 V

0.3%

V

Δt/ΔT

Timing Shift with Temperature

VS = 5 V

75

ppm/°C

fA

Astable Frequency

SW 1, 3 Closed, VS = 12 V

4.0

4.8

5.6

kHz

fMAX

Maximum Frequency

Max. Freq. Test Circuit, VS = 5 V

3.0

MHz

tR, tF

Output Rise and

Fall Times

Max. Freq. Test Circuit

VS = 5V, CL = 10 pF

15

ns

tPD

Trigger Propagation Delay

VS = 5 V, Measure Delay

from Trigger to Output

100

ns

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