ra8835 Topway Display, ra8835 Datasheet - Page 79

• Manufacturer Part Number: ra8835
• Description: Dot Matrix Lcd Controller
• Manufacturer: Topway Display

RAiO TECHNOLOGY INC.
Version 1.7
10-3 Timing Diagrams
10-3-1 8080 Family Interface Timing
WR , RD
D0 to D7
D0 to D7
Note: For memory control and system control commands:
(Read)
A0,CS
(write)
D0 to D7
A0,
Signal
WR
RD
CS
For all other commands:
,
t
t
CYC8
CYC8
Symbol
t
t
t
t
t
t
t
CYC8
ACC8
AW8
t
AH8
DS8
DH8
OH8
= 2t
= 4t
CC
C
C
+ t
+ t
t
Address hold time
Address setup time
System cycle time
Strobe pulse width
Data setup time
Data hold time
Output disable time
AW8
RD
CC
CC
+ t
+ 30
Parameter
access time
CEA
+ 75 > t
t
ACC8
t
DH8
79/86
t
ACV
CC
+ 245
t
V
DS
8
DD
20+t
note.
Min.
120
10
10
—
0
5
= 4.5 to 5.5V
t
CYC8
C
Max.
t
t
50
50
—
—
—
—
—
—
AH8
DH8
t
OH8
V
DD
50+t
note.
Min.
120
10
10
—
0
5
= 2.7 to 4.5V
C
Dot Matrix LCD Controller
Max.
80
55
—
—
—
—
—
—
www.raio.com.tw
Unit
Ta = –20 to 75°C
ns
ns
ns
ns
ns
ns
ns
ns
RA8835
Condition
100pF
CL =