EP1C3T144C7N Altera, EP1C3T144C7N Datasheet - Page 39

IC CYCLONE FPGA 2910 LE 144-TQFP

EP1C3T144C7N

Manufacturer Part Number
EP1C3T144C7N
Description
IC CYCLONE FPGA 2910 LE 144-TQFP
Manufacturer
Altera
Series
Cyclone®r
Datasheet

Specifications of EP1C3T144C7N

Number Of Logic Elements/cells
2910
Number Of Labs/clbs
291
Total Ram Bits
59904
Number Of I /o
104
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
0°C ~ 85°C
Package / Case
144-TQFP, 144-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Other names
544-1661

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Figure 2–25. Cyclone PLL
Notes to
(1)
(2)
(3)
Altera Corporation
May 2008
LVDSCLK1p (2)
LVDSCLK1n (2)
The EP1C3 device in the 100-pin TQFP package does not support external outputs or LVDS inputs. The EP1C6
device in the 144-pin TQFP package does not support external output from PLL2.
LVDS input is supported via the secondary function of the dedicated clock pins. For PLL 1, the CLK0 pin’s secondary
function is LVDSCLK1p and the CLK1 pin’s secondary function is LVDSCLK1n. For PLL 2, the CLK2 pin’s secondary
function is LVDSCLK2p and the CLK3 pin’s secondary function is LVDSCLK2n.
PFD: phase frequency detector.
CLK0 or
CLK1 or
Figure
2–25:
Table 2–6
a Cyclone PLL.
Notes to
(1)
(2)
(3)
(4)
Note (1)
Clock multiplication and division
Phase shift
Programmable duty cycle
Number of internal clock outputs
Number of external clock outputs
Table 2–6. Cyclone PLL Features
÷n
The m counter ranges from 2 to 32. The n counter and the post-scale counters
range from 1 to 32.
The smallest phase shift is determined by the voltage-controlled oscillator (VCO)
period divided by 8.
For degree increments, Cyclone devices can shift all output frequencies in
increments of 45°. Smaller degree increments are possible depending on the
frequency and divide parameters.
The EP1C3 device in the 100-pin TQFP package does not support external clock
output. The EP1C6 device in the 144-pin TQFP package does not support external
clock output from PLL2.
Δt
Table
shows the PLL features in Cyclone devices.
PFD (3)
2–6:
Feature
Δt
Charge
Pump
÷m
Global Clock Network and Phase-Locked Loops
Loop
Filter
m/(n × post-scale counter)
Down to 125-ps increments (2),
Yes
2
One differential or one single-ended
VCO
Selectable at Each PLL
VCO Phase Selection
Output Port
PLL Support
Figure 2–25
Post-Scale
Counters
÷g0
÷g1
÷e
(1)
Preliminary
Global clock
Global clock
I/O buffer
(3)
shows
2–33
(4)

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