參數(shù)資料
型號: HD44780UBxxFS
廠商: Hitachi,Ltd.
英文描述: 320 x 240 pixel format, CFL backlight available with power harness
中文描述: 點陣式液晶顯示控制器/驅(qū)動器
文件頁數(shù): 48/59頁
文件大小: 316K
代理商: HD44780UBXXFS
HD44780U
48
DC Characteristics (V
CC
= 2.7 to 4.5 V, T
a
= –30 to +75
°
C*
3
)
Item
Symbol
Min
Typ
Max
Unit
Test Condition Notes*
Input high voltage (1)
(except OSC1)
VIH1
0.7V
CC
V
CC
V
6
Input low voltage (1)
(except OSC1)
VIL1
–0.3
0.55
V
6
Input high voltage (2)
(OSC1)
VIH2
0.7V
CC
V
CC
V
15
Input low voltage (2)
(OSC1)
VIL2
0.2V
CC
V
15
Output high voltage (1)
(DB0–DB7)
VOH1
0.75V
CC
V
–I
OH
= 0.1 mA
7
Output low voltage (1)
(DB0–DB7)
VOL1
0.2V
CC
V
I
OL
= 0.1 mA
7
Output high voltage (2)
(except DB0–DB7)
VOH2
0.8V
CC
V
–I
OH
= 0.04 mA
8
Output low voltage (2)
(except DB0–DB7)
VOL2
0.2V
CC
V
I
OL
= 0.04 mA
8
Driver on resistance
(COM)
R
COM
2
20
k
±
Id = 0.05 mA,
VLCD = 4 V
13
Driver on resistance
(SEG)
R
SEG
2
30
k
±
Id = 0.05 mA,
VLCD = 4 V
13
Input leakage current
I
LI
–I
p
–1
1
μ
A
μ
A
VIN = 0 to V
CC
V
CC
= 3 V
9
Pull-up MOS current
(DB0–DB7, RS, R/
W
)
10
50
120
Power supply current
I
CC
150
300
μ
A
R
oscillation,
external clock
V
CC
= 3 V,
f
OSC
= 270 kHz
V
CC
–V5, 1/5 bias 16
V
CC
–V5, 1/4 bias 16
10, 14
LCD voltage
VLCD1
3.0
11.0
V
VLCD2
3.0
11.0
V
Note:
*
Refer to the Electrical Characteristics Notes section following these tables.
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