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AS1108

Datasheet - E l e c t r i c a l C h a r a c t e r i s t i c s

6 Electrical Characteristics

The parameters with min and max values are guaranteed with production tests or SQC (Statistical Qualification Con-

trol) methods.

Table 3. Electrical Characteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Operating Temperature Range

0

+70

°C

Operating Supply Voltage

2.7

5.0

5.5

V

Shutdown Supply Current

10

µA

Operating Supply Current

1

mA

All segments and decimal point

330

Display Scan Rate

4 digits scanned

1000

1600

2600

Hz

Digit Drive Sink Current

320

mA

Segment Drive Source Current

-30

-40

-45

mA

Segment Drive Current Matching

3.0

%

Digit Drive Source Current

-2

mA

Segment Drive Sink Current

5

mA

Slow Segment Blink Period (ON

phase, Internal Oscillator)

0.64

1

1.65

s

Fast Segment Blink Period

(ON phase, Internal Oscillator)

0.32

0.5

0.83

s

Fast or Slow Segment Blink Duty

Cycle (Guaranteed by design)

49.9

50

50.1

%

Table 4. Logic Inputs/Outputs Characteristics

Parameter

Symbol

Conditions

Min

Typ

Max

Unit

Input Current DIN, CLK, LOAD/CSN

-1

1

µA

Logic High Input Voltage

V

Logic Low Input Voltage

0.8

V

0.6

Output High Voltage

V

Output Low Voltage

0.4

V

Hysteresis Voltage

DIN, CLK, LOAD/CSN

1

V