TLC551, TLC551Y

LinCMOS

™ TIMERS

SLFS044B – FEBRUARY 1984 – REVISED SEPTEMBER 1997

8

POST OFFICE BOX 655303

PARAMETER

TEST CONDITIONS

TA†

MIN

TYP

MAX

UNIT

VIT

Threshold voltage

25

°C

9.45

10.55

V

VIT

Threshold voltage

Full range

9.35

10.65

V

IIT

Threshold current

25

°C

10

pA

IIT

Threshold current

70

°C

75

pA

VI(TRIG)

Trigger voltage

25

°C

4.65

5

5.35

V

VI(TRIG)

Trigger voltage

Full range

4.55

5.45

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 = 100 mA

25

°C

0.77

1.7

V

Discharge switch on-stage voltage

IOL = 100 mA

Full range

1.8

V

Discharge switch off stage voltage

25

°C

0.1

nA

Discharge switch off-stage voltage

70

°C

0.5

nA

IOH =10 mA

25

°C

12.5

14.2

IOH = – 10 mA

Full range

12.5

VOH

High level output voltage

IOH =5 mA

25

°C

13.5

14.6

V

VOH

High-level output voltage

IOH = – 5 mA

Full range

13.5

V

IOH =1 mA

25

°C

14.2

14.9

IOH = – 1 mA

Full range

14.2

IOL = 100 mA

25

°C

1.28

3.2

IOL = 100 mA

Full range

3.6

VOL

Low level output voltage

IOL =50mA

25

°C

0.63

1

V

VOL

Low-level output voltage

IOL = 50 mA

Full range

1.3

V

IOL =10mA

25

°C

0.12

0.3

IOL = 10 mA

Full range

0.4

IDD

Supply current

See Note 2

25

°C

360

600

µA

IDD

Supply current

See Note 2

Full range

800

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.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Initial error of timing interval‡

VDD = 5 V to 15 V,

RA = RB = 1 kΩ to 100 kΩ,

1%

3%

Supply voltage sensitivity of timing interval

DD

,

CT = 0.1 µF,

AB

,

See Note 3

0.1

0.5

%/ V

tr

Rise time, output pulse

RL =10MΩ

CL =10 pF

20

75

ns

tf

Fall time, output pulse

RL = 10 MΩ,

CL = 10 pF

15

60

ns

fmax

Maximum frequency in astable mode

RA = 470 Ω,

CT = 200 pF

RB = 200 Ω,

See Note 3

1.2

1.8

MHz

‡ Timing interval error is defined as the difference between the measured value and the average value of a random sample from each process

run.

NOTE 3: RA, RB, and CT are as defined in Figure 3.