hd66420 Renesas Electronics Corporation., hd66420 Datasheet - Page 51

• Manufacturer Part Number: hd66420
• Description: Ram-provided 160 Channel 4-level Grey Scale Driver For Dot Matrix Graphics Lcd
• Manufacturer: Renesas Electronics Corporation.

AC Characteristics (V
Clock Characteristics
Item
Oscillation frequency
External clock
frequency
External clock duty
cycle
External clock fall time
External clock rise time t
Reset Timing
Item
RES low-level width
Note: Specified at +75 C for die products.
MPU Interface
Item
RD low-level width
RD high-level width
WR low-level width
WR high-level width
Address setup time
Address hold time
Data delay time
Data output hold time
Data setup time
Data hold time
CC
Symbol
f
f
Duty
t
Symbol
t
Symbol
t
t
t
t
t
t
t
t
t
t
OSC
CP
r
f
RES
WRDL
WRDH
WWRL
WWRH
AS
AH
DDR
DHR
DSW
DHW
= 2.2V to 5.5V, GND = 0V, Ta = –40 to +85 C)
Min
130
50
45
—
—
Min
1
Min
250
190
450
250
190
450
10
10
—
—
10
150
100
10
Typ
180
—
50
—
—
Typ
—
Typ
—
—
—
—
—
—
—
—
—
—
—
—
—
—
Max
230
400
55
0.2
0.2
Max
—
Max
—
—
—
—
—
—
—
—
180
150
—
—
—
—
Unit
kHz
kHz
%
Unit
ms
Unit
ns
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s
*
Notes
Rf = 240 k , V
Notes
Notes
V
V
V
V
V
V
V
V
CC
CC
CC
CC
CC
CC
CC
CC
= 2.2 V to 3.0 V
= 3.0 V to 5.5 V
= 2.2 V to 3.0 V
= 3.0 V to 5.5 V
= 2.2 V to 3.0 V
= 3.0 V to 5.5 V
= 2.2 V to 3.0 V
= 3.0 V to 5.5 V
HD66420
CC
= 3.0 V
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