
Chapter 4: Functional Description 4–20
ALTIOBUF Megafunction and Delay Chains Integration
© February 2012 Altera Corporation ALTDLL and ALTDQ_DQS Megafunctions User Guide
Figure 4–15. Output Only— Complementary
Note to Figure 4–15:
(1) The oe_p and oe_n ports are optional.
Figure 4–16. Bidirectional— Single-Ended
Note to Figure 4–16:
(1) The dyn_term_ctrl port is optional.
ALTIOBUF
oe_p (1)
dataout_p
datain_n
IO_IBUF
ALTDQ_DQS
ALTIOBUF
dataout_n
IO_IBUF
datain_p
oe_n (1)
ALTIOBUF
dyn_term_ctrl (1)
dataout
dataio
ALTDQ_DQS
oe
datain
IO_IBUF
IO_OBUF
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