hd66740 Renesas Electronics Corporation., hd66740 Datasheet - Page 75

• Manufacturer Part Number: hd66740
• Description: 112 X 80-dot Graphics Lcd Controller/driver - Hitachi Semiconductor
• Manufacturer: Renesas Electronics Corporation.

AC Characteristics (V
Clock Characteristics (V
Item
External clock
frequency
External clock duty
ratio
External clock rise
time
External clock fall
time
R-C oscillation clock
Note: For the numbered notes, refer to the Electrical Characteristics Notes section following these
68-system Bus Interface Timing Characteristics
(Vcc = 1.8 to 2.7 V)
Enable cycle time
Enable high-level pulse width
Enable low-level pulse width
Enable rise/fall time
Setup time (RS, R/W to E, CS*)
Address hold time
Write data setup time
Write data hold time
Read data delay time
Read data hold time
tables.
Item
Symbol
fcp
Duty
trcp
tfcp
f
OSC
CC
CC
= 1.8 to 3.6 V)
= 1.8 to 3.6 V, Ta = –40 to +85°C*
Write
Read
Write
Read
Write
Read
Min
50
45
—
—
69
Symbol
PW
PW
PW
PW
t
t
t
t
t
t
Er
t
t
DSWE
CYCE
CYCE
t
DDRE
DHRE
ASE
AHE
, t
HE
EH
EH
EL
EL
Ef
Typ
75
50
—
—
86
75
Min
600
800
120
350
300
300
50
20
60
20
—
—
5
Max
100
55
0.2
0.2
103
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
Unit
kHz
%
µs
µs
kHz
Max
300
25
—
—
—
—
—
—
—
—
—
—
—
1
)
Test Condition
Rf = 270 k ,
V
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
CC
= 3 V
Test Condition
HD66740
Figure 47
Figure 47
Figure 47
Figure 47
Figure 47
Figure 47
Figure 47
Figure 47
Figure 47
Figure 47
Notes
10
10
10
10
11