Absolute Maximum Ratings

Supply voltage ...................................0V to 2.0V

Operation Temperature ...........-2.0°Cto+75°C

Storage Temperature ..............-55°C to +125°C

Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maxi-

mum 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 expo-

sure to extreme conditions may affect device reliability.

Electrical Characteristics

Ta=25°C

Symbol

Parameter

Test Conditions

Min. Typ. Max. Unit

Conditions

Operating Voltage

¾¾

1.3

1.5

1.65

V

Operating Current

1.5V No load

¾

60

100

mA

Standby Current

1.5V

¾¾

¾

1.0

mA

Oscillating Frequency

25.6

32

38.4

kHz

R°C

Temperature Measurement

Accuracy at Range 35°C~39°C

¾¾

-0.1

¾

0.1

°C

R°F

Temperature Measurement

Accuracy at Range 95°F~102°F

¾¾

-0.2

¾

0.2

°F

LCD Electrode Pattern

SA1

SA2

SA3

SB1

SB2

SB3

SC1

SC2

SC3

SD1

COM1

F1

A1

B1

F2

A2

B2

F3

A3

B3

A4

COM2

E1

G1

C1

E2

G2

C2

E3

G3

C3

B4

COM3

H1

D1

¾¾

D2

H2

¾

D3

H3

C4

Note: 1/3 duty, 1/2 bias (LCD uses 3V)

HT7500

4

August 8, 2000

H1

F1

E1

D1

C1

B1

A1

G1

B2

B3

A2

A3

C2

C3

G2

G3

E2

E3

F2

F3

D2

D3

H1

A4

B4

C4

H3

H2