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EP4CGX150F23I7N 数据表(PDF) 7 Page - Altera Corporation

部件名 EP4CGX150F23I7N
功能描述  Cyclone IV Device Datasheet
Download  42 Pages
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制造商  ALTERA [Altera Corporation]
网页  http://www.altera.com
标志 ALTERA - Altera Corporation

EP4CGX150F23I7N 数据表(HTML) 7 Page - Altera Corporation

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Chapter 1: Cyclone IV Device Datasheet
1–7
Operating Conditions
May 2013
Altera Corporation
Cyclone IV Device Handbook,
Volume 3
DC Characteristics
This section lists the I/O leakage current, pin capacitance, on-chip termination (OCT)
tolerance, and bus hold specifications for Cyclone IV devices.
Supply Current
The device supply current requirement is the minimum current drawn from the
power supply pins that can be used as a reference for power size planning. Use the
Excel-based early power estimator (EPE) to get the supply current estimates for your
design because these currents vary greatly with the resources used. Table 1–6 lists the
I/O pin leakage current for Cyclone IV devices.
Bus Hold
The bus hold retains the last valid logic state after the source driving it either enters
the high impedance state or is removed. Each I/O pin has an option to enable bus
hold in user mode. Bus hold is always disabled in configuration mode.
Table 1–7 lists bus hold specifications for Cyclone IV devices.
Table 1–6. I/O Pin Leakage Current for Cyclone IV Devices (1), (2)
Symbol
Parameter
Conditions
Device
Min
Typ
Max
Unit
II
Input pin leakage current
VI = 0 V to VCCIOMAX
—–10
10
A
IOZ
Tristated I/O pin leakage
current
VO = 0 V to VCCIOMAX
—–10
10
A
Notes to Table 1–6:
(1) This value is specified for normal device operation. The value varies during device power
-up. This applies for all VCCIO settings (3.3, 3.0, 2.5,
1.8, 1.5, and 1.2 V).
(2) The 10
A I/O leakage current limit is applicable when the internal clamping diode is off. A higher current can be observed when the diode is on.
Table 1–7. Bus Hold Parameter for Cyclone IV Devices (Part 1 of 2) (1)
Parameter
Condition
VCCIO (V)
Unit
1.2
1.5
1.8
2.5
3.0
3.3
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Min
Max
Bus hold
low,
sustaining
current
VIN > VIL
(maximum)
8
12
30
50
70
70
A
Bus hold
high,
sustaining
current
VIN < VIL
(minimum)
–8
–12
–30
–50
–70
–70
A
Bus hold
low,
overdrive
current
0 V < VIN < VCCIO
125
175
—200
—300
—500
500
A
Bus hold
high,
overdrive
current
0 V < VIN < VCCIO
–125
–175
–200
–300
–500
–500
A


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