HT16270 Просмотр технического описания (PDF) - Holtek Semiconductor

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HT16270

RAM Mapping 64
16 LCD Controller for I/O μC

Holtek Semiconductor 

HT16270

D.C. Characteristics

Symbol

Parameter

VDD

IDD1

Operating Voltage

Operating Current

Test Conditions

VDD

Conditions

¾

¾

3V No load/LCD ON

5V Crystal oscillator

IDD2

Operating Current

3V No load/LCD OFF

5V Crystal oscillator

ISTB

Standby Current

3V No load

5V Power down mode

VIL

Input Low Voltage

3V

DATA, WR, CS, RD

5V

VIH

Input High Voltage

3V

DATA, WR, CS, RD

5V

IOL1

IOH1

IOL2

IOH2

IOL3

IOH3

IOL4

IOH4

RPH

BZ, BZ, IRQ

3V VOL=0.3V

5V VOL=0.5V

BZ, BZ

3V VOH=2.7V

5V VOH=4.5V

DATA

3V VOL=0.3V

5V VOL=0.5V

DATA

3V VOH=2.7V

5V VOH=4.5V

LCD Common Sink Current

3V VOL=0.3V

5V VOL=0.5V

LCD Common Source Current 3V VOH=2.7V

5V VOH=4.5V

LCD Segment Sink Current

3V VOL=0.3V

5V VOL=0.5V

LCD Segment Source Current 3V VOH=2.7V

5V VOH=4.5V

Pull-high Resistor

3V

DATA, WR, CS, RD

5V

Ta=25°C

Min. Typ. Max. Unit

2.7 ¾ 5.2 V

¾ 30 75 mA

¾ 50 125 mA

¾ 5 25 mA

¾ 10 45 mA

¾ 2 14 mA

¾ 4 28 mA

0 ¾ 0.6 V

0 ¾ 1.0 V

2.4 ¾ 3 V

4.0 ¾ 5 V

0.9 1.8 ¾ mA

1.7 3 ¾ mA

-0.9 -1.8 ¾ mA

-1.7 -3 ¾ mA

0.9 1.8 ¾ mA

1.7 3 ¾ mA

-0.9 -1.8 ¾ mA

-1.7 -3 ¾ mA

80 160 ¾ mA

180 360 ¾ mA

-40 -80 ¾ mA

-90 -180 ¾ mA

50 100 ¾ mA

120 240 ¾ mA

-30 -60 ¾ mA

-70 -140 ¾ mA

100 200 300 kW

50 100 150 kW

6

April 21, 2000

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