Absolute Maximum Ratings

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

Input voltage ............... VSS–0.5V to VDD+0.5V

Operation Temperature............. –20

Storage Temperature................ –55

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

mum Ratings” 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.

Electrical Characteristics

Ta=25

Symbol

Parameter

Test Conditions

Min.

Typ.

Max. Unit

Conditions

Operating Voltage

—

—

1.3

1.5

1.65

V

Operating Current

1.5V

No load

—

60

100

Standby Current

1.5V

—

—

—

1.0

Oscillating Frequency

1.5V

Ω

25.6

32

38.4

kHz

R

Temperature Measurement

Accuracy at Range 35

—

—

–0.1

—

0.1

LCD Electrode Pattern

SA1

SA2

SA3

SB1

SB2

SB3

SC1

SC2

SC3

SD1

SD2

SD3

SE1

COM1

F1A1

B1F2A2

B2F3A3

B3F4A4

B4

A5

COM2

E1G1

C1

E2G2C2

E3G3C3

E4G4C4

B5

COM3

H1D1

—

—

D2H2

—

D3

—

I4

D4H4

C5

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

HT7501

4

8th Feb ’99