參數(shù)資料
型號: HD66728
廠商: Hitachi,Ltd.
英文描述: 112 x 80-dot Graphics LCD Controller/Driver(112 x 80點圖形LCD控制器)
中文描述: 112 × 80點圖形LCD控制器/驅動器(112 × 80點圖形液晶顯示控制器)
文件頁數(shù): 124/138頁
文件大?。?/td> 2158K
代理商: HD66728
HD66728
124
AC Characteristics (V
CC
= 1.8 to 5.5 V, Ta = –40 to +85
°
C*
1
)
Clock Characteristics (V
CC
= 1.8 to 5.5 V)
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Notes
External clock
frequency
fcp
50
75
150
kHz
10
External clock duty
ratio
Duty
45
50
55
%
10
External clock rise
time
trcp
0.2
μ
s
10
External clock fall
time
tfcp
0.2
μ
s
10
R-C oscillation clock
f
OSC
69
86
103
kHz
Rf = 330 k
,
V
CC
= 3 V
11
Note:
For the numbered notes, refer to the Electrical Characteristics Notes section following these tables.
68-system Bus Interface Timing Characteristics
(Vcc = 1.8 to 2.7 V)
Item
Symbol
Min
Typ
Max
Unit
Test Condition
Enable cycle time
Write
t
CYCE
t
CYCE
PW
EH
PW
EH
PW
EL
PW
EL
t
Er
, t
Ef
t
ASE
t
AHE
t
DSWE
t
HE
t
DDRE
t
DHRE
600
ns
Figure 75
Read
800
Enable high-level pulse width
Write
120
ns
Figure 75
Read
350
Enable low-level pulse width
Write
300
ns
Figure 75
Read
300
Enable rise/fall time
25
ns
Figure 75
Setup time (RS, R/W to E, CS*)
50
ns
Figure 75
Address hold time
20
ns
Figure 75
Write data setup time
60
ns
Figure 75
Write data hold time
20
ns
Figure 75
Read data delay time
300
ns
Figure 75
Read data hold time
5
ns
Figure 75
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