EP4CE55F29C8LN Altera, EP4CE55F29C8LN Datasheet - Page 443
EP4CE55F29C8LN
Manufacturer Part Number
EP4CE55F29C8LN
Description
IC CYCLONE IV FPGA 55K 780FBGA
Manufacturer
Altera
Series
CYCLONE® IV Er
Datasheets
1.EP4CGX15BN11C8N.pdf
(44 pages)
2.EP4CGX15BN11C8N.pdf
(14 pages)
3.EP4CGX15BN11C8N.pdf
(478 pages)
4.EP4CGX15BN11C8N.pdf
(10 pages)
Specifications of EP4CE55F29C8LN
Number Of Logic Elements/cells
55856
Number Of Labs/clbs
3491
Total Ram Bits
2340000
Number Of I /o
374
Voltage - Supply
0.97 V ~ 1.03 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
780-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
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Chapter 1: Cyclone IV Device Datasheet
Operating Conditions
© December 2010 Altera Corporation
Table 1–10. OCT Variation After Calibration at Device Power
Equation 1–1. Final OCT Resistance
R
R
For R
For R
MF = MF
R
Notes to
(1) T
(2) T
(3) MF is multiplication factor.
(4) R
(5) R
(6) Subscript
(7) R
(8) R
(9) dR/dT is the change percentage of resistance with temperature after calibration at device power
(10) dR/dV is the change percentage of resistance with voltage after calibration at device power
(11) V
(12) V
Example 1–1
3.0 V to 85°C at 3.15 V.
Example 1–1. Impedance Change
Because R
Because R
final
V
T
= (T
= R
= (V
R
R
MF
MF
MF = 0.963 × 1.157 = 1.114
R
2
1
2
1
final
initial
is the final temperature.
is the initial temperature.
is final voltage.
is the initial voltage.
final
V
T
x
x
initial
< 0; MF
> 0; MF
V
T
V
T
Nominal Voltage
Equation
is a variation of resistance with voltage.
is a variation of resistance with temperature.
2
2
is final resistance.
V
is initial resistance.
= (85 – 25) × 0.262 = 15.72
= 15.72/100 + 1 = 1.157
– T
= (3.15 – 3) × 1000 × –0.026 = –3.83
= 1 / (3.83/100 + 1) = 0.963
= 50 × 1.114 = 55.71
– V
× MF
× MF –––––
V
T
1
x
1
is positive,
is negative,
) × dR/dT –––––
) × 1000 × dR/dV –––––
refers to both
T
3.0
2.5
1.8
1.5
1.2
x
x
shows how to calculate the change of 50-I/O impedance from 25°C at
–––––
= 1/ (|R
1–1:
= R
x
/100 + 1 –––––
(11)
(12)
x
V
|/100 + 1) –––––
and
(8)
T
.
(Note
(10)
(7)
(9)
dR/dT (%/°C)
1), (2), (3), (4), (5),
0.262
0.234
0.219
0.199
0.161
- Up for Cyclone IV Devices—Preliminary
(6)
Cyclone IV Device Handbook, Volume 3
dR/dV (%/mV)
-
–0.026
–0.039
–0.086
–0.136
–0.288
up.
-
up.
1–9
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