HD66724 Datasheet, PDF (103/117 Pages) Hitachi Semiconductor – (Graphics LCD Controller/Driver with Key Scan Function)

HD66724/HD66725
68-System Bus Interface Timing Characteristics
(Vcc = 1.8 to 2.7 V)
Item
Symbol Min Typ
Enable cycle time
Write t_CYCE
800
—
Read
1200 —
Enable high-level pulse width Write PW_EH 150 —
Read
450 —
Enable low-level pulse width
Write PW_EL 300 —
Read
450 —
Enable rise/fall time
Setup time (RS, R/W, to E, CS*)
Address hold time
Write data set-up time
Write data hold time
Read data delay time
Read data hold time
t_Er, t_Ef
—
—
t _ASE
60 —
t _AHE
20 —
t _DSWE
60
—
t _HE
20 —
t _DDRE
—
—
t _DHRE
5
—
Max
—
—
—
—
—
—
25
—
—
—
—
400
—
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Condition
Figure 65
Figure 65
Figure 65
Figure 65
Figure 65
Figure 65
Figure 65
Figure 65
Figure 65
Figure 65
(Vcc = 2.7 to 5.5 V)
Item
Symbol Min Typ Max Unit
Enable cycle time
Write t_CYCE
500
—
—
ns
Read
700 —
—
Enable high-level pulse width
Write PW_EH
80
—
—
ns
Read
300 —
—
Enable low-level pulse width
Write PW_EL 250 —
—
ns
Read
300 —
—
Enable rise/fall time
Setup time (RS, R/W, to E, CS*)
Address hold time
Write data set-up time
Write data hold time
Read data delay time
Read data hold time
t_Er, t_Ef
—
—
25
ns
t _ASE
60 —
—
ns
t _AHE
20 —
—
ns
t _DSWE
60
—
—
ns
t _HE
20 —
—
ns
t _DDRE
—
— 250 ns
t _DHRE
5
—
—
ns
Test Condition
Figure 65
Figure 65
Figure 65
Figure 65
Figure 65
Figure 65
Figure 65
Figure 65
Figure 65
Figure 65
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