ABSOLUTE MAXIMUM RATINGS

Symbol

Parameter

Value

Unit

Supply Voltage

10

V

Input Signals

7

V

Storage and Junction Temperatures

-40 to +150

°C

ELECTRICAL CHARACTERISTICS: (Refer to Block Diagram, Figure 2, and Timing Diagram, Figure 3)

= +5V unless otherwise specified.

Parameter

Symbol

Minimum

Typical

Maximum

Unit

Condition

(

Pin 15)

Supply Voltage

4.75

-

7

V

-

Quiescent Supply Current

-

300

400

uA

Outputs floating

(

Pins 13, 14, 21, 22, 23 and 24)

Input Voltage Low

-

-

0.75

V

-

Input Voltage High

2

-

-

V

-

(

Pins 14, 21, 22, 23, 29)

Input Current

-

-

50

nA

Input Current (

Pin 13)

-

-

50

nA

-

-

50

nA

(

Pin 10)

Enable Input Voltage Low

-

-

1.3

V

-

2

-

-

V

-

Enable Input Current

-

-

50

nA

Enable Input Current

-

-

50

nA

(

Pins 4, 6, 7, 9)

-

-

0.5

V

4.0

-

-

V

(

Pins 5, 8)

-

-

0.5

V

4.0

-

-

V

Leakage Current (

Pin 3)

-

-

1

uA

Saturation Voltage (

-

-

0.4

V

I = 5mA

(

Pins 13, 14, 15)

-

5

-

mV

Comparator Bias Current

100

-

10

uA

-

(

Pins 18, 19)

Input Reference Voltages

VREFs, VREFh 0

-

3

V

-

Input Currents

IREFs, IREFh

-

-

8

uA

VREFs, VREFh = 3V

(

Pin 11)

RC Input Low

0

-

2.5

V

-

RC Input High

3.5

-

-

V

-

External resistor at RC

R

10

-

No Limit

kΩ

-

Step Pulse Width

0.5

-

-

us

-

Set up time

1

-

-

us

-

Hold time

4

-

-

us

-

Reset time

1

-

-

us

-

Reset to Step delay

1

-

-

us

-

(

Pin 20)

Oscillator:

Sawtooth Low

-

2.1

-

V

-

Sawtooth High

-

3.65

-

V

-

8397-040709-3