EP20K400FC672-3 Altera, EP20K400FC672-3 Datasheet - Page 71

• Manufacturer Part Number: EP20K400FC672-3
• Description: APEX 20K
• Manufacturer: Altera

Altera Corporation
Figure 39. ESB Synchronous Timing Waveforms
Rdaddress
Wraddress
ESB Synchronous Read
ESB Synchronous Write (ESB Output Registers Used)
Data-Out
Data-Out
Data-In
CLK
CLK
WE
WE
a0
t
ESBDATASU
a0
t
ESBWESU
din1
a1
Figure 40
dout0
a1
t
shows the timing model for bidirectional I/O pin timing.
ESBDATAH
t
ESBDATASU
dout1
APEX 20K Programmable Logic Device Family Data Sheet
din2
a2
t
t
ESBDATACO2
ESBDATAH
t
ESBSWC
din1
din3
t
a3
ESBWEH
t
ESBDATACO1
a2
t
ESBARC
din2
d1
din3
a2
a3
d2
din2
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