HT1627 Просмотр технического описания (PDF) - Holtek Semiconductor

Номер в каталоге

Компоненты Описание

производитель

HT1627

RAM Mapping 64
16 LCD Controller for I/O μC

Holtek Semiconductor 

HT1627

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 200 315 mA

5V On-chip RC oscillator ¾ 300 425 mA

IDD2

Operating Current

3V No load/LCD OFF

¾ 15 55 mA

5V On-chip RC oscillator ¾ 30 85 mA

ISTB

Standby Current

3V No load

5V Power down mode

¾ 2 14 mA

¾ 4 28 mA

VIL

Input Low Voltage

3V

DATA, WR, CS, RD

5V

0 ¾ 0.6 V

0 ¾ 1.0 V

VIH

Input High Voltage

3V

2.4 ¾ 3 V

DATA, WR, CS, RD

5V

4.0 ¾ 5 V

IOL1

BZ, BZ, IRQ

IOH1

BZ, BZ

3V VOL=0.3V

5V VOL=0.5V

3V VOH=2.7V

5V VOH=4.5V

0.9 1.8 ¾ mA

1.7 3 ¾ mA

-0.9 -1.8 ¾ mA

-1.7 -3 ¾ mA

IOL2

DATA

3V VOL=0.3V

5V VOL=0.5V

0.9 1.8 ¾ mA

1.7 3 ¾ mA

IOH2

IOL3

DATA

LCD Common Sink Current

3V VOH=2.7V

5V VOH=4.5V

3V VOL=0.3V

5V VOL=0.5V

-0.9 -1.8 ¾ mA

-1.7 -3 ¾ mA

80 160 ¾ mA

180 360 ¾ mA

IOH3

3V VOH=2.7V

LCD Common Source Current

5V VOH=4.5V

-40 -80 ¾ mA

-90 -180 ¾ mA

IOL4

IOH4

LCD Segment Sink Current

3V VOL=0.3V

5V VOL=0.5V

LCD Segment Source Current 3V VOH=2.7V

5V VOH=4.5V

50 100 ¾ mA

120 240 ¾ mA

-30 -60 ¾ mA

-70 -140 ¾ mA

RPH

Pull-high Resistor

3V

DATA, WR, CS, RD

5V

100 200 300 kW

50 100 150 kW

6

April 21, 2000

Share Link: