Absolute Maximum Ratings

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

-50°Cto125°C

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

-40°Cto85°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 reliability.

D.C. Characteristics

Ta=25

°C

Symbol

Parameter

Test Conditions

Min.

Typ.

Max.

Unit

Conditions

Operating Voltage

¾¾

2.7

¾

5.2

V

Operating Current

3V

No load or LCD ON

On-chip RC oscillator

¾

80

210

mA

5V

¾

135

415

mA

Operating Current

3V

No load or LCD OFF

On-chip RC oscillator

¾

830

mA

5V

¾

20

55

mA

Standby Current

3V

No load, Power down mode

¾

18

mA

5V

¾

216

mA

Input Low Voltage

3V

DATA, WR,CS,RD

0

¾

0.6

V

5V

0

¾

1.0

V

Input High Voltage

3V

DATA, WR,CS,RD

2.4

¾

3V

5V

4.0

¾

5V

BZ, BZ, IRQ

3V

0.9

1.8

¾

mA

5V

1.7

3

¾

mA

BZ, BZ

3V

-0.9

-1.8

¾

mA

5V

-1.7

-3

¾

mA

DATA

3V

200

450

¾mA

5V

250

500

¾mA

DATA

3V

-200

-450

¾mA

5V

-250

-500

¾mA

LCD Common Sink Current

3V

15

40

¾mA

5V

100

200

¾mA

LCD Common Source Current

3V

-15

-30

¾mA

5V

-45

-90

¾mA

LCD Segment Sink Current

3V

15

30

¾mA

5V

70

150

¾mA

LCD Segment Source Current

3V

-6

-13

¾mA

5V

-20

-40

¾mA

Pull-high Resistor

3V

DATA, WR,CS,RD

100

200

300

k

W

5V

50

100

150

k

W

HT1622

Rev. 1.40

4

February 6, 2007