HD44780 Hitachi Semiconductor (acquired by Renesas), HD44780 Datasheet - Page 48

• Manufacturer Part Number: HD44780
• Description: Dot Matrix Liquid Crystal Display Controller/driver
• Manufacturer: Hitachi Semiconductor (acquired by Renesas)

HD44780U
DC Characteristics (V
Item
Input high voltage (1)
(except OSC1)
Input low voltage (1)
(except OSC1)
Input high voltage (2)
(OSC1)
Input low voltage (2)
(OSC1)
Output high voltage (1)
(DB0–DB7)
Output low voltage (1)
(DB0–DB7)
Output high voltage (2)
(except DB0–DB7)
Output low voltage (2)
(except DB0–DB7)
Driver on resistance
(COM)
Driver on resistance
(SEG)
Input leakage current
Pull-up MOS current
(DB0–DB7, RS, R/W)
Power supply current
LCD voltage
Note:
48
*
Refer to the Electrical Characteristics Notes section following these tables.
Symbol
VIH1
VIL1
VIH2
VIL2
VOH1
VOL1
VOH2
VOL2
R
R
I
–I
I
VLCD1
VLCD2
LI
CC
COM
SEG
p
CC
= 2.7 to 4.5 V, T
Min
0.7V
–0.3
0.7V
—
0.75V
—
0.8V
—
—
—
–1
10
—
3.0
3.0
CC
CC
CC
CC
Typ
—
—
—
—
—
—
—
—
2
2
—
50
150
—
—
a
= –30 to +75 C*
Max
V
0.55
V
0.2V
—
0.2V
—
0.2V
20
30
1
120
300
11.0
11.0
CC
CC
CC
CC
CC
Unit
V
V
V
V
V
V
V
V
k
k
V
V
A
A
A
3
)
Test Condition Notes*
–I
I
–I
I
VLCD = 4 V
VLCD = 4 V
VIN = 0 to V
V
R
external clock
V
f
V
V
OL
OL
OSC
Id = 0.05 mA,
Id = 0.05 mA,
CC
CC
CC
CC
f
OH
OH
oscillation,
= 0.1 mA
= 0.04 mA
–V5, 1/5 bias 16
–V5, 1/4 bias 16
= 3 V
= 3 V,
= 270 kHz
= 0.1 mA
= 0.04 mA
CC
6
6
15
15
7
7
8
8
13
13
9
10, 14