NT3881DF 查看數據表（PDF） - Novatek Microelectronics

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产品描述 (功能)

比赛名单

NT3881DF

Dot matrix LCD controller and driver / QFP 80L Package

Novatek Microelectronics 

NT3881D

DC Electrical Character (continued)

Symbol

Parameter

Min. Typ. Max. Unit

Conditions

Applicable Pin

External Clock Operation

fCP

External Clock Operating

Frequency

125 270 350 KHz

tDUTY External Clock Duty Cycle

tRCP External Clock Rise Time

tFCP External Clock Fall Time

Internal Clock Operation (RC Oscillator)

45

50

55

%

0.1

-

0.5 µs

0.1

-

0.5 µs

fOSC Oscillator Frequency

190 270 350 KHz Rf = 91KΩ ± 2%

Internal Clock Operation (Ceramic Resonator Oscillator)

fOSC Oscillator Frequency

VLCD1

VLCD2

LCD Driving Voltage

245 250 255 KHz Ceramic resonator

4.6

1/5 bias

3.0

-

VDD

V VDD- V5 1/4bias

AC Characteristics

Read Cycle (VDD = 5.0V, GND = VEE = 0V, TA = 25°C)

Symbol

Parameter

Min.

tCYCE

Enable Cycle Time

500

tWHE

Enable "H" Level Pulse Width

300

tRE, tFE Enable Rise/Fall Time

tAS

RS, R/W Setup Time

-

601

1002

tAH

RS, R/W Address Hold Time

10

tRD

Read Data Output Delay

-

tDHR

Read Data Hold Time

20

Typ.

-

-

-

-

-

-

-

Max.

-

-

25

-

-

190

-

Unit

Conditions

ns

Figure 1

ns

Figure 1

ns

Figure 1

ns

Figure 1

ns

Figure 1

ns

Figure 1

ns

Figure 1

8

V2.4

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