HD44780U 查看數據表（PDF） - Hitachi -> Renesas Electronics

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产品描述 (功能)

生产厂家

HD44780U

Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver with Key Scan Function

Hitachi -> Renesas Electronics 

HD66727

Double boosting

9.0

Triple boosting

8.0

8.5

7.0

8.0

VUP2 (V)

7.5

7.0

6.0

VUP3 (V)

5.0

typ.

4.0

typ.

6.5

3.0

6.0

0.0

0.5

1.0

1.5

2.0

2.00.0

0.5

1.0

1.5

2.0

IO (mA)

IO (mA)

Vci = VCC = 4.5 V, Rf = 180 kΩ, Ta = 25°C

Vci = VCC = 2.7 V, Rf = 150 kΩ, Ta = 25°C

Load Circuits

AC Characteristics Test Load Circuits

Data bus : SDA

Test Point

50 pF

Figure 56 Load Circuit

95

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