EP4CE15F23C8N Datasheet, PDF (35/42 Pages) Altera Corporation – Cyclone IV Device Datasheet

Chapter 1: Cyclone IV Device Datasheet
1–35
Switching Characteristics
Table 1–42 and Table 1–43 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 ^{(1), (2)}
Parameter
Paths
Affected
Number
of
Setting
Min
Offset
Fast Corner
C6 I7 A7
Max Offset
Slow Corner
C6 C7 C8 I7
Unit
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 Pad to I/O
input register
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
Pad to global
dual-purpose clock pin clock
12
to fan-out destinations network
0 0.693 0.665 0.665 1.200 1.379 1.532 1.393 1.441 ns
Notes to Table 1–42:
(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 ^{(1), (2)}
Parameter
Paths
Affected
Number
of
Setting
Min
Offset
Fast Corner
C6 I7 A7
Max Offset
Slow Corner
C6 C7 C8 I7
Unit
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 Pad to I/O
input register
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
Pad to global
dual-purpose clock pin clock
12
to fan-out destinations network
0 0.686 0.657 0.657 1.185 1.360 1.506 1.376 1.422 ns
Notes to Table 1–43:
(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.
May 2013 Altera Corporation
Cyclone IV Device Handbook,
Volume 3