參數(shù)資料
型號: HD66701
廠商: Hitachi,Ltd.
英文描述: Dot Matrix Liquid Crystal Display Controller/Driver(點(diǎn)陣液晶顯示控制器/驅(qū)動器)
中文描述: 點(diǎn)陣式液晶顯示控制器/驅(qū)動器(點(diǎn)陣液晶顯示控制器/驅(qū)動器)
文件頁數(shù): 58/69頁
文件大?。?/td> 352K
代理商: HD66701
HD66702/HD66701
58
AC Characteristics (V
CC
= 2.7 to 5.5V, T
a
= –30 to +75
°
C*
3
)
Clock Characteristics
Item
Symbol
Min Typ
Max
Unit
Test Condition Notes*
External
clock
operation
External clock frequency
f
cp
Duty
125 270
410
kHz
11
External clock duty
45
50
55
%
External clock rise time
t
rcp
t
fcp
f
OSC
0.2
μ
s
μ
s
External clock fall time
0.2
R
oscillation
Note:
Clock oscillation
frequency
Refer to the Electrical Characteristics Notes section following these tables.
240 320
390
kHz
R
f
= 56 k
V
CC
= 3V
12
*
Bus Timing Characteristics
Write Operation
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Enable cycle time
t
cycE
PW
EH
t
Er
, t
Ef
t
AS
t
AH
t
DSW
t
H
1000
ns
Figure 27
Enable pulse width (high level)
450
Enable rise/fall time
Address set-up time (RS, R/
W
to E)
25
40
Address hold time
20
Data set-up time
195
Data hold time
10
Read Operation
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Enable cycle time
t
cycE
PW
EH
t
Er
, t
Ef
t
AS
t
AH
t
DDR
t
DHR
1000
ns
Figure 28
Enable pulse width (high level)
450
Enable rise/fall time
Address set-up time (RS, R/
W
to E)
25
40
Address hold time
20
Data delay time
350
Data hold time
10
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