Chapter 1: Cyclone IV Device Datasheet
1–35
Switching Characteristics
December 2016
Altera Corporation
list the IOE programmable delay for Cyclone IV E 1.2 V
core voltage devices.
Table 1–42. IOE Programmable Delay on Column Pins for Cyclone IV E 1.2 V Core Voltage Devices
,
Parameter
Paths
Affected
Number
of
Setting
Min
Offset
Max Offset
Unit
Fast Corner
Slow Corner
C6
I7
A7
C6
C7
C8
I7
A7
Input delay from pin to
internal cells
Pad to I/O
dataout to
core
7
0
1.314 1.211 1.211 2.177 2.340 2.433 2.388 2.508
ns
Input delay from pin to
input register
Pad to I/O
input register
8
0
1.307 1.203 1.203
2.19
2.387 2.540 2.430 2.545
ns
Delay from output
register to output pin
I/O output
register to
pad
2
0
0.437 0.402 0.402 0.747 0.820 0.880 0.834 0.873
ns
Input delay from
dual-purpose clock pin
to fan-out destinations
Pad to global
clock
network
12
0
0.693 0.665 0.665 1.200 1.379 1.532 1.393 1.441
ns
Notes to
(1) The incremental values for the settings are generally linear. For the exact values for each setting, use the latest version of the Quartus II software.
(2) The minimum and maximum offset timing numbers are in reference to setting
0
as available in the Quartus II software.
Table 1–43. IOE Programmable Delay on Row Pins for Cyclone IV E 1.2 V Core Voltage Devices
,
Parameter
Paths
Affected
Number
of
Setting
Min
Offset
Max Offset
Unit
Fast Corner
Slow Corner
C6
I7
A7
C6
C7
C8
I7
A7
Input delay from pin to
internal cells
Pad to I/O
dataout to
core
7
0
1.314 1.209 1.209 2.201 2.386 2.510 2.429 2.548
ns
Input delay from pin to
input register
Pad to I/O
input register
8
0
1.312 1.207 1.207 2.202 2.402 2.558 2.447 2.557
ns
Delay from output
register to output pin
I/O output
register to
pad
2
0
0.458 0.419 0.419 0.783 0.861 0.924 0.875 0.915
ns
Input delay from
dual-purpose clock pin
to fan-out destinations
Pad to global
clock
network
12
0
0.686 0.657 0.657 1.185 1.360 1.506 1.376 1.422
ns
Notes to
(1) The incremental values for the settings are generally linear. For the exact values for each setting, use the latest version of the Quartus II software.
(2) The minimum and maximum offset timing numbers are in reference to setting
0
as available in the Quartus II software.
Summary of Contents for Cyclone IV
Page 10: ...x Chapter Revision Dates Cyclone IV Device Handbook March 2016 Altera Corporation Volume 1...
Page 14: ...I 2 Section I Device Core Cyclone IV Device Handbook March 2016 Altera Corporation Volume 1...
Page 274: ...vi Contents Cyclone IV Device Handbook February 2015 Altera Corporation Volume 2...
Page 440: ...iv Contents Cyclone IV Device Handbook December 2016 Altera Corporation Volume 3...
Page 442: ...vi Chapter Revision Dates Cyclone IV Device Handbook December 2016 Altera Corporation Volume 3...
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