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EP3C25F256I7N Datasheet, PDF (6/34 Pages) Altera Corporation – Cyclone III Device Datasheet | |||
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1â6
Chapter 1: Cyclone III Device Datasheet
Electrical Characteristics
Table 1â5. Cyclone III Devices Bus Hold Parameter (Part 2 of 2) (1)
VCCIO (V)
Parameter Condition
1.2
1.5
1.8
2.5
3.0
3.3
Unit
Min Max Min Max Min Max Min Max Min Max Min Max
Bus-hold
low,
overdrive
current
0 V < VIN < VCCIO â 125 â 175 â 200 â 300 â 500 â 500 ïA
Bus-hold
high,
overdrive
current
0 V < VIN < VCCIO â â125 â â175 â â200 â â300 â â500 â â500 ïA
Bus-hold trip
point
â
0.3 0.9 0.375 1.125 0.68 1.07 0.7 1.7 0.8 2 0.8 2 V
Note to Table 1â5:
(1) The bus-hold trip points are based on calculated input voltages from the JEDEC standard.
OCT Specifications
Table 1â6 lists the variation of OCT without calibration across process, temperature,
and voltage.
Table 1â6. Cyclone III Devices Series OCT without Calibration Specifications
Description
Series OCT without
calibration
VCCIO (V)
3.0
2.5
1.8
1.5
1.2
Resistance Tolerance
Commercial
Max
Industrial and Automotive Unit
Max
±30
±40
%
±30
±40
%
+40
±50
%
+50
±50
%
+50
±50
%
OCT calibration is automatically performed at device power-up for OCT enabled
I/Os.
Table 1â7 lists the OCT calibration accuracy at device power-up.
Table 1â7. Cyclone III Devices Series OCT with Calibration at Device Power-Up Specifications
Description
Series OCT with
calibration at device
power-up
Calibration Accuracy
VCCIO (V)
Commercial Max
Industrial and Automotive
Max
Unit
3.0
±10
±10
%
2.5
±10
±10
%
1.8
±10
±10
%
1.5
±10
±10
%
1.2
±10
±10
%
Cyclone III Device Handbook
Volume 2
July 2012 Altera Corporation
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