HD66740 Datasheet, PDF (75/95 Pages) Hitachi Semiconductor – 112 x 80-dot Graphics LCD Controller/Driver

HD66740
AC Characteristics (V_CC = 1.8 to 3.6 V, Ta = –40 to +85°C*¹)
Clock Characteristics (V_CC = 1.8 to 3.6 V)
Item
Symbol Min
Typ
Max
Unit Test Condition Notes
External clock
fcp
50
75
100
kHz
10
frequency
External clock duty Duty
45
50
55
%
10
ratio
External clock rise
trcp
—
—
0.2
µs
10
time
External clock fall
tfcp
—
—
0.2
µs
10
time
R-C oscillation clock f_OSC
69
86
103
kHz Rf = 270 kΩ,
11
V_CC = 3 V
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
600
—
— ns
Read t_CYCE
800
—
—
Enable high-level pulse width Write PW_EH 120
—
— ns
Read PW_EH 350
—
—
Enable low-level pulse width
Write PW_EL 300
—
— ns
Read PW_EL 300
—
—
Enable rise/fall time
t_Er, t_Ef
—
—
25
ns
Setup time (RS, R/W to E, CS*)
t _ASE
50
—
— ns
Address hold time
t _AHE
20
—
— ns
Write data setup time
t _DSWE
60
—
— ns
Write data hold time
t _HE
20
—
—
ns
Read data delay time
t _DDRE
—
— 300 ns
Read data hold time
t _DHRE
5
—
—
ns
Figure 47
Figure 47
Figure 47
Figure 47
Figure 47
Figure 47
Figure 47
Figure 47
Figure 47
Figure 47
75