HT1647(2000) Просмотр технического описания (PDF) - Holtek Semiconductor

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производитель

HT1647
(Rev.:2000)

4-Level Gray Scale 64
x16 LCD Controller for I/O μC

Holtek Semiconductor 

HT1647

D.C. Characteristics

Ta=25°C

Symbol

Parameter

VDD

Operating Voltage

Test Conditions

VDD

Conditions

¾

¾

Min. Typ. Max. Unit

2.7 ¾ 5.2 V

IDD1

Operating Current

3V No load/LCD ON

¾ 150 250 mA

5V On-chip RC oscillator ¾ 250 370 mA

IDD2

Operating Current

3V No load/LCD ON

5V Crystal oscillator

¾ 135 200 mA

¾ 200 300 mA

IDD11 Operating Current

3V No load/LCD OFF

¾ 15 30 mA

5V On-chip RC oscillator ¾ 50 70 mA

IDD22 Operating Current

3V No load/LCD OFF

5V Crystal oscillator

¾ 2 10 mA

¾ 3 10 mA

ISTB

Standby Current

3V No load

5V Power down mode

¾ ¾ 1 mA

¾ ¾ 2 mA

VIL

Input Low Voltage

3V DB0~DB3, WR, CS,

5V RD

0 ¾ 0.6 V

0 ¾ 1.0 V

VIH

Input High Voltage

3V DB0~DB3, WR, CS, 2.4 ¾ 3 V

5V RD

4.0 ¾ 5 V

IOL1

BZ, BZ, IRQ Sink Current

3V VOL=0.3V

5V VOL=0.5V

1.2 2.5 ¾ mA

3 6 ¾ mA

IOH1

BZ, BZ Source Current

3V VOH=2.7V

5V VOH=4.5V

-0.9 -1.8 ¾ mA

-2 -4 ¾ mA

IOL2

DB0~DB3 Sink Current

3V VOL=0.3V

5V VOL=0.5V

1.2 2.5 ¾ mA

3 6 ¾ mA

IOH2

DB0~DB3 Source Current

3V VOH=2.7V

5V VOH=4.5V

-0.9 -1.8 ¾ mA

-2 -4 ¾ mA

IOL3

LCD Common Sink Current

3V VOL=0.3V

5V VOL=0.5V

50 100 ¾ mA

100 200 ¾ mA

IOH3

LCD Common Source Current 3V VOH=2.7V

5V VOH=4.5V

-25 -50 ¾ mA

-50 -100 ¾ mA

IOL4

LCD Segment Sink Current

3V VOL=0.3V

5V VOL=0.5V

30 60 ¾ mA

60 120 ¾ mA

IOH4

LCD Segment Source Current 3V VOH=2.7V

5V VOH=4.5V

-20 -40 ¾ mA

-35 -70 ¾ mA

RPH

Pull-high Resistor

3V DB0~DB3, WR, CS,

5V RD

150 250 350 kW

60 125 180 kW

7

April 21, 2000

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