參數(shù)資料
型號(hào)： HCD44780UA02
廠商： Hitachi,Ltd.
英文描述： 320 x 240 pixel format, CFL backlight available with power harness
中文描述： 點(diǎn)陣式液晶顯示控制器/驅(qū)動(dòng)器
文件頁(yè)數(shù)： 51/59頁(yè)
文件大?。?/td> 316K
代理商： HCD44780UA02
HD44780U
51
DC Characteristics (V
CC
= 4.5 to 5.5 V, T
a
= –30 to +75
°
C*
3
)
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Notes*
Input high voltage (1)
(except OSC1)
VIH1
2.2
—
V
CC
V
6
Input low voltage (1)
(except OSC1)
VIL1
–0.3
—
0.6
V
6
Input high voltage (2)
(OSC1)
VIH2
V
CC
–1.0
—
V
CC
V
15
Input low voltage (2)
(OSC1)
VIL2
—
—
1.0
V
15
Output high voltage (1)
(DB0–DB7)
VOH1
2.4
—
—
V
–I
OH
= 0.205 mA
7
Output low voltage (1)
(DB0–DB7)
VOL1
—
—
0.4
V
I
OL
= 1.2 mA
7
Output high voltage (2)
(except DB0–DB7)
VOH2
0.9 V
CC
—
—
V
–I
OH
= 0.04 mA
8
Output low voltage (2)
(except DB0–DB7)
VOL2
—
—
0.1 V
CC
V
I
OL
= 0.04 mA
8
Driver on resistance
(COM)
RCOM
—
2
20
k
±
Id = 0.05 mA,
VLCD = 4 V
13
Driver on resistance
(SEG)
RSEG
—
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
= 5 V
9
Pull-up MOS current
(DB0–DB7, RS, R/
W
)
50
125
250
Power supply current
I
CC
—
350
600
μ
A
R
oscillation,
external clock
V
CC
= 5 V,
f
OSC
= 270 kHz
V
CC
–V5, 1/5 bias
V
CC
–V5, 1/4 bias
10, 14
LCD voltage
VLCD1
3.0
—
11.0
V
16
VLCD2
3.0
—
11.0
V
16
Note:
*
Refer to the Electrical Characteristics Notes section following these tables.
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