CV-51002
2015.12.04
16
I/O Standard Specifications
Table 13: Internal Weak Pull-Up Resistor Values for Cyclone V Devices
Symbol
Description
Condition (V)(16)
Value(17)
25
Unit
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
kΩ
VCCIO = 3.3 5%
VCCIO = 3.0 5%
VCCIO = 2.5 5%
VCCIO = 1.8 5%
VCCIO = 1.5 5%
VCCIO = 1.35 5%
VCCIO = 1.25 5%
VCCIO = 1.2 5%
25
25
Value of the I/O pin pull-up resistor before and during
configuration, as well as user mode if you have enabled the
programmable pull-up resistor option.
25
RPU
25
25
25
25
Related Information
Cyclone V Device Family Pin Connection Guidelines
Provides more information about the pins that support internal weak pull-up and internal weak pull-down features.
I/O Standard Specifications
Tables in this section list the input voltage (VIH and VIL), output voltage (VOH and VOL), and current drive characteristics (IOH and IOL) for various
I/O standards supported by Cyclone V devices.
You must perform timing closure analysis to determine the maximum achievable frequency for general purpose I/O standards.
(16)
(17)
Pin pull-up resistance values may be lower if an external source drives the pin higher than VCCIO
Valid with 10% tolerances to cover changes over PVT.
.
Cyclone V Device Datasheet
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