TLC552C

DUAL LINCMOS

™ TIMER

SLFS046 – FEBRUARY 1984 – REVISED MAY 1988

7

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

electrical characteristics at specified free-air temperature, VDD = 18 V

PARAMETER

TEST CONDITIONS

TA†

MIN

TYP

MAX

UNIT

Threshold voltage level

25

°C

11.4

12

12.6

V

Threshold voltage level

Full range

10.9

12.7

V

Threshold current

25

°C

10

pA

Threshold current

MAX

75

pA

Trigger voltage level

25

°C

5.6

6

6.4

V

Trigger voltage level

Full range

5.5

6.5

V

Trigger current

25

°C

10

pA

Trigger current

MAX

75

pA

Reset voltage level

25

°C

0.4

1.1

1.5

V

Reset voltage level

Full range

0.3

1.8

V

Reset current

25

°C

10

pA

Reset current

MAX

75

pA

Control voltage (open-circuit) as a percentage of supply voltage

MAX

66.7%

Discharge switch on state voltage

IOL = 100 mA

25

°C

0.72

1.5

V

Discharge switch on-state voltage

IOL = 100 mA

Full range

1.6

V

Discharge switch off state current

25

°C

0.1

nA

Discharge switch off-state current

MAX

0.5

nA

Low level output voltage

IOL =3 2mA

25

°C

0.04

0.3

V

Low-level output voltage

IOL = 3.2 mA

Full range

0.35

V

High level output voltage

IOH =1 mA

25

°C

17.3

17.9

V

High-level output voltage

IOH = – 1 mA

Full range

17.3

V

Supply current

25

°C

0.84

1.2

mA

Supply current

Full range

1.6

mA

† Full range (MIN to MAX) is 0

°C to 70°C.

operating characteristics, VDD = 5 V, TA = 25°C (unless otherwise noted)

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 2

0.1

0.5

%/V

Output pulse rise time

RL =10MΩ

CL =10 pF

20

75

ns

Output pulse fall time

RL = 10 MΩ,

CL = 10 pF

15

60

ns

Maximum frequency in astable mode

RA = 470 Ω,

CT = 200 pF,

RB = 200 Ω,

See Note 2

1.2

2.8

MHz

‡ Timing interval error is defined as the difference between the measured value and the nominal value of a random sample.

NOTE 2: RA, RB, and CT are as defined in Figure 1.