SmartFusion DC and Switching Characteristics
2-46 Revision 10
Fully Registered I/O Buffers with Synchronous Enable and
Asynchronous Clear
Figure 2-15 • Timing Model of the Registered I/O Buffers with Synchronous Enable and Asynchronous Clear
Enable
CLK
Pad Out
CLK
Enable
CLR
Data_out
Data
Y
AA
EOUT
DOUT
Core
Array
DQ
DFN1E1C1
E
CLR
DQ
DFN1E1C1
E
CLR
DQ
DFN1E1C1
E
CLR
D_Enable
BB
CC
DD
EE
FF
GG
LL
HH
JJ
KK
CLKBUF
INBUF
INBUF
TRIBUF
INBUF
INBUF
CLKBUF
INBUF
Data Input I/O Register with
Active High Enable
Active High Clear
Positive-Edge Triggered
Data Output Register and
Enable Output Register with
Active High Enable
Active High Clear
Positive-Edge Triggered