AS1109
Data Sheet - Detailed Description
Figure 12. Data Input Timing Diagram
OEN
tW(OE)
tSU(L
tSU(OE)
LD
8 CLK Pulses
tW(L)
CLK
tSU(D)
DataBit DataBit DataBit DataBit DataBit DataBit DataBit DataBit
SDI0
Don’t Care
7
6
5
4
3
2
1
0
tH(D)
OldData OldData OldData OldData OldData OldData OldData Old Data
Don’t Care
SDO0
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
tP1
Figure 13. Data Input Example Timing Diagram
6
4
Time = 0
7
5
3
1
2
CLK
SDI
LD
D7
D6
D5
D4
D3
D2
D1
D0
OEN
OUTN0
OUTN1
Off
On
Off
On
Off
On
OUTN2
OUTN3
OUTN4
Off
On
Off
On
Off
On
OUTN5
OUTN6
OUTN7
Off
On
Off
On
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