EP1C3 ALTERA [Altera Corporation], EP1C3 Datasheet - Page 50

• Manufacturer Part Number: EP1C3
• Description: Cyclone FPGA Family
• Manufacturer: ALTERA [Altera Corporation]

Cyclone FPGA Family Data Sheet
Figure 32. Cyclone IOE in Bidirectional I/O Configuration
50
Column or Row
Interconect
ioe_clk[5..0]
comb_datain
data_in
Chip-Wide Reset
OE
clkout
aclr/prn
ce_in
ce_out
clkin
The Cyclone device IOE includes programmable delays to ensure zero
hold times, minimize setup times, or increase clock to output times.
sclr/preset
Output Register
Input Register
OE Register
D
D
D
CLRN
CLRN
CLRN
ENA
ENA
ENA
PRN
PRN
PRN
Q
Q
Q
Drive Strength Control
Open-Drain Output
Slew Control
Pin Delay
Output
Input Register Delay
Logic Array Delay
Logic Array Delay
or Input Pin to
Input Pin to
Input Pin to
Preliminary Information
V
CCIO
Altera Corporation
V
CCIO
Optional
PCI Clamp
Bus Hold
Programmable
Pull-Up
Resistor