RA8835A
Version 1.0
Dot Matrix LCD Controller
Ta = –20 to 75℃
VDD = 4.5 to 5.5V VDD = 2.7 to 4.5V
Signal
Symbol
Parameter
Rise time
Unit Condition
Min.
—
Max.
30
Min.
—
Max.
40
tr
tf
ns
ns
ns
Fall time
—
30
—
40
XSCL
tCX
Shift clock cycle time
4tC
—
4tC
—
XSCL clock pulse
width
tWX
2tC – 60
—
2tC – 60
—
ns
ns
tDH
tDS
X data hold time
X data setup time
2tC – 50
—
—
2tC – 50
—
—
XD0 to
XD3
CL =
2tC – 100
2tC – 105
ns
ns
ns
ns
100 pF
Latch data setup
time
tLS
tWL
tLD
tC – 20
2tC – 10
tC – 20
—
—
—
tC – 20
2tC – 10
tC – 20
—
—
—
LP
LP pulse width
LP delay time from
XSCL
WF
YD
tDF
Permitted WF delay
Y data hold time
tC – 20
tc+30
—
tC – 20
tc+30
—
ns
ns
tDHY
2tC – 20
2tC – 20
RAiO TECHNOLOGY INC.
www.raio.com.tw
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RAIO [ RAIO TECHNOLOGY INC. ]
