HD66717 Datasheet, PDF (80/90 Pages) Hitachi Semiconductor – (Low-Power Dot-Matrix Liquid Crystal Display Controller/Driver)

HD66717
AC Characteristics (V = 2.4V to 5.5V, T = –20 to +75°C*³)
CC
a
Clock Characteristics (V_CC = 2.4V to 5.5V)
Item
Symbol Min Typ Max Unit Test Condition Notes*
External External clock frequency f_cp
20
160 350 kHz
13
clock
External clock duty ratio Duty 45
50
55
%
operation
External clock rise time t_rcp
—
—
0.2 µs
External clock fall time
t_fcp
—
—
0.2 µs
R_f
Clock oscillation frequency f_OSC
oscillation
120 160 200 kHz R_f = 150 kΩ, 14
V_CC = 3V
Note: * Refer to the Electrical Characteristics Notes section following these tables.
Read & Write Bus Interface Timing Characteristics with Read Operation (V_CC = 2.4V to 4.5V)
Item
Enable cycle time
Enable pulse width (high level)
Enable rise/fall time
Address set-up time (RS, R/W to E)
Address hold time
Data set-up time
Data hold time
Read data delay time
Read data hold time
Symbol Min
t_cycE
PW_EH
t_Er, t_Ef
t_AS
t_AH
t_DSW
t_H
t_DDR
t_DHR
1000
450
—
60
20
195
30
—
5
Typ
—
—
—
—
—
—
—
—
—
Max
—
—
25
—
—
—
—
400
—
Unit
ns
ns
Test Condition
Figures 52
and 53
Figure 53
Read & Write Bus Interface Timing Characteristics with Read Operation (V_CC = 4.5V to 5.5V)
Item
Symbol Min
Typ
Max
Unit Test Condition
Enable cycle time
t_CYCE
500
—
—
ns
Figures 52
and 53
Enable pulse width (high level)
PW_EH 230
—
Enable rise/fall time
t_Er, t_Ef
—
—
Address set-up time (RS, R/W to E)
t_AS
40
—
Address hold time
t_AH
30
—
Data set-up time
t_DSW
80
—
Data hold time
t_H
30
—
Read data delay time
t_DDR
—
—
Read data hold time
t_DHR
5
—
—
20
—
—
—
—
200
ns
—
Figure 53
532