ra8835 Topway Display, ra8835 Datasheet - Page 83

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

RAiO TECHNOLOGY INC.
Version 1.7
10-3-5 Sleep In Command Timing
10-3-6 External Oscillator Signal Timing
Notes:
Note: VD0 to VD7 are latching input/outputs. While the bus is high impedance, VD0 to VD7 retain
Signal
EXT Φ0
WR
Signal
EXT￠0
1. t
2. t
WRD
WRL
the write data until the data read from the memory is placed on the bus.
(Command input)
= 36t
= 18t
YDIS
VCE
Symbol
Symbol
WR
t
t
WRD
WRL
t
t
t
t
DH2
RCL
C
FCL
WH
C
x  [ TC/R] x  [ L/F] + 70
+ t
OSS
Data hold time from
rising edge of
delay time
YDIS falling-edge
delay time
External clock rise
time
External clock fall
time
External clock
HIGH-level pulse
width
VCE
+ 40 (t
Parameter
Parameter
falling-edge
OSS
SLEEP IN write
is the time delay from the sleep state until stable operation)
VWR
t
WRL
83/86
t
WL
note 1.
V
V
note 1.
Min.
Min.
DD
DD
—
—
—
5
t
= 4.5 to 5.5V
= 4.5 to 5.5V
C
t
RCL
SYSTEM SET write
note 2.
note 2.
t
WH
Max.
Max.
50
10
10
—
note 1.
V
V
note 1.
t
DD
Min.
DD
Min.
WRD
—
—
—
5
= 2.7 to 4.5V
= 2.7 to 4.5V
t
FCL
Dot Matrix LCD Controller
note 2.
note 2.
Max.
Max.
50
10
10
—
www.raio.com.tw
Unit
Unit
Ta = –20 to 75°C
Ta = –20 to 75℃
ns
ns
ns
ns
ns
ns
RA8835
Condition
Condition
CL = 100
pF