hd66740 Renesas Electronics Corporation., hd66740 Datasheet - Page 77

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

80-system Bus Interface Timing Characteristics
(Vcc = 1.8 to 2.7 V)
Bus cycle time
Write low-level pulse width
Read low-level pulse width
Write high-level pulse width
Read high-level pulse width
Write/Read rise/fall time
Setup time (RS to CS*, WR*, RD*)
Address hold time
Write data setup time
Write data hold time
Read data delay time
Read data hold time
(Vcc = 2.7 to 3.6 V)
Bus cycle time
Write low-level pulse width
Read low-level pulse width
Write high-level pulse width
Read high-level pulse width
Write/Read rise/fall time
Setup time (RS to CS*, WR*, RD*)
Address hold time
Write data setup time
Write data hold time
Read data delay time
Read data hold time
Item
Item
Read
Read
Write
Write
Symbol
Symbol
t
WRr
t
PW
PW
PW
PW
PW
PW
PW
t
PW
WRr, WRf
t
t
t
t
t
t
t
CYCW
t
t
CYCW
CYCR
CYCR
t
t
DSW
t
t
DSW
t
DDR
DHR
t
DDR
DHR
AS
AH
AS
AH
H
H
,
LW
HW
HR
LW
HW
HR
LR
LR
WRf
77
Min
600
800
120
350
300
300
Min
380
500
250
150
150
50
20
60
20
70
50
20
60
20
—
—
—
—
5
5
Typ
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Max
Max
300
200
—
—
—
—
—
—
25
—
—
—
—
—
—
—
—
—
—
—
25
—
—
—
—
—
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Test Condition
Test Condition
HD66740
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