Approximate Internal Connections

Absolute Maximum Ratings

Operating Temperature...........................

-25°Cto75°C

Storage Temperature ............................

-50°Cto125°C

Note: These are stress ratings only. Stresses exceeding the range specified under

²Absolute Maximum Ratings² may

cause substantial damage to the device. Functional operation of this device at other conditions beyond those

listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil-

ity.

D.C. Characteristics

Ta=25

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Conditions

Logic Supply Voltage

3.3V

¾

3

3.3

3.6

V

5V

4.5

5

5.5

V

VFD Supply Voltage

¾¾

0

¾

-35

V

Oscillation Frequency

3.3V

W

350

500

650

kHz

5V

Output Pull-low Resistor

3.3V

Driver output

40

65

120

k

W

5V

Operating Current

3.3V No load, VFD display off,

data output =00H

¾¾

3

mA

5V

¾¾

5

Driver Leakage Current

3.3V

-35V, VFD driver off

-5

¾

5

mA

5V

-10

¾

10

LED Sink Current

3.3V

10

¾¾

mA

5V

20

¾¾

LED Source Current

3.3V

¾¾

-1.5

mA

5V

¾¾

-3

Segment 1~16 Source Current

3.3V

-2V

¾¾

-1.5

mA

5V

¾¾

-3

Segment 17~24, Grid 1~4

Source Current

3.3V

-2V

¾¾

-7.5

mA

5V

¾¾

-15

DO Sink Current

3.3V

2

¾¾

mA

5V

4

¾¾

²H² Input Voltage

¾¾

¾

V

HT16515

Rev. 1.70

4

May 7, 2010

N M O S O U T

P M O S O U T

C M O S O U T