TLC551, TLC551Y

LinCMOS

™ TIMERS

SLFS044B – FEBRUARY 1984 – REVISED SEPTEMBER 1997

7

POST OFFICE BOX 655303

PARAMETER

TEST CONDITIONS

TA†

MIN

TYP

MAX

UNIT

VIT

Threshold voltage

25

°C

2.8

3.3

3.8

V

VIT

Threshold voltage

Full range

2.7

3.9

V

IIT

Threshold current

25

°C

10

pA

IIT

Threshold current

70

°C

75

pA

VI(TRIG)

Trigger voltage

25

°C

1.36

1.66

1.96

V

VI(TRIG)

Trigger voltage

Full range

1.26

2.06

V

II(TRIG)

Trigger current

25

°C

10

pA

II(TRIG)

Trigger current

70

°C

75

pA

VI(RESET)

Reset voltage

25

°C

0.4

1.1

1.5

V

VI(RESET)

Reset voltage

Full range

0.3

1.8

V

II(RESET)

Reset current

25

°C

10

pA

II(RESET)

Reset current

70

°C

75

pA

Control voltage (open circuit) as a percentage of

supply voltage

70

°C

66.7%

Discharge switch on stage voltage

IOL =10mA

25

°C

0.14

0.5

V

Discharge switch on-stage voltage

IOL = 10 mA

Full range

0.6

V

Discharge switch off stage voltage

25

°C

0.1

nA

Discharge switch off-stage voltage

70

°C

0.5

nA

VOH

High level output voltage

IOH =1 mA

25

°C

4.1

4.8

V

VOH

High-level output voltage

IOH = – 1 mA

Full range

4.1

V

IOL =8mA

25

°C

0.21

0.4

IOL = 8 mA

Full range

0.5

VOL

Low level output voltage

IOL =5mA

25

°C

0.13

0.3

V

VOL

Low-level output voltage

IOL = 5 mA

Full range

0.4

V

IOL =3 2mA

25

°C

0.08

0.3

IOL = 3.2 mA

Full range

0.35

IDD

Supply current

See Note 2

25

°C

170

350

µA

IDD

Supply current

See Note 2

Full range

500

µA

† Full range is 0

°C to 70°C.

NOTE 2: These values apply for the expected operating configurations in which THRES is connected directly to DISCH or to TRIG.