EP4CE15E22C8

Manufacturer Part NumberEP4CE15E22C8
DescriptionIC CYCLONE IV FPGA 15K 144EQFP
ManufacturerAltera Corporation
SeriesCYCLONE® IV E
EP4CE15E22C8 datasheets

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Specifications of EP4CE15E22C8

Number Of Logic Elements/cells15408Number Of Labs/clbs963
Total Ram Bits516096Number Of I /o81
Number Of Gates-Voltage - Supply1.15 V ~ 1.25 V
Mounting TypeSurface MountOperating Temperature0°C ~ 85°C
Package / Case144-LQFP Exposed PadLead Free StatusContains lead
Rohs StatusRoHS non-compliant  
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Chapter 1: Cyclone IV Device Datasheet
Operating Conditions
1
A DC signal is equivalent to 100% duty cycle. For example, a signal that overshoots to
4.3 V can only be at 4.3 V for 65% over the lifetime of the device; for a device lifetime
of 10 years, this amounts to 65/10ths of a year.
Table 1–2. Maximum Allowed Overshoot During Transitions over a 10
Cyclone IV Devices
Symbol
Parameter
AC Input
V
i
Voltage
Figure 1–1
shows the methodology to determine the overshoot duration. The
overshoot voltage is shown in red and is present on the input pin of the Cyclone IV
device at over 4.3 V but below 4.4 V. From
percentage of high time for the overshoot can be as high as 65% over a 10-year period.
Percentage of high time is calculated as ([delta T]/T) × 100. This 10-year period
assumes that the device is always turned on with 100% I/O toggle rate and 50% duty
cycle signal. For lower I/O toggle rates and situations in which the device is in an idle
state, lifetimes are increased.
Figure 1–1. Cyclone IV Devices Overshoot Duration
November 2011 Altera Corporation
Condition (V)
Overshoot Duration as % of High Time
V
= 4.20
I
V
= 4.25
I
V
= 4.30
I
V
= 4.35
I
V
= 4.40
I
V
= 4.45
I
V
= 4.50
I
V
= 4.55
I
V
= 4.60
I
Table
1–2, for an overshoot of 4.3 V, the
4.4 V
4.3 V
3.3 V
DT
T
1–3
- Year Time Frame for
Unit
100
%
98
%
65
%
43
%
29
%
20
%
13
%
9
%
6
%
Cyclone IV Device Handbook,
Volume 3

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