EP1S20F780I6N Altera, EP1S20F780I6N Datasheet - Page 330
![IC STRATIX FPGA 20K LE 780-FBGA](/photos/6/72/67270/544-780-fbga_sml.jpg)
EP1S20F780I6N
Manufacturer Part Number
EP1S20F780I6N
Description
IC STRATIX FPGA 20K LE 780-FBGA
Manufacturer
Altera
Series
Stratix®r
Specifications of EP1S20F780I6N
Number Of Logic Elements/cells
18460
Number Of Labs/clbs
1846
Total Ram Bits
1669248
Number Of I /o
586
Voltage - Supply
1.425 V ~ 1.575 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
780-FBGA
Family Name
Stratix
Number Of Logic Blocks/elements
18460
# I/os (max)
586
Frequency (max)
450.05MHz
Process Technology
0.13um (CMOS)
Operating Supply Voltage (typ)
1.5V
Logic Cells
18460
Ram Bits
1669248
Operating Supply Voltage (min)
1.425V
Operating Supply Voltage (max)
1.575V
Operating Temp Range
-40C to 100C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
780
Package Type
FC-FBGA
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Number Of Gates
-
Lead Free Status / Rohs Status
Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
EP1S20F780I6N
Manufacturer:
ALTERA
Quantity:
3 000
- Current page: 330 of 864
- Download datasheet (11Mb)
Enhanced PLLs
Figure 1–9. Low-Bandwidth PLL Lock Time
1–20
Stratix Device Handbook, Volume 2
Frequency (MHz)
125
160
155
150
145
140
135
130
120
0
finite range to customize the PLL characteristics for a particular
application. Applications that require clock switchover (such as TDMA,
frequency hopping wireless, and redundant clocking) can benefit from
the programmable bandwidth feature of the Stratix and Stratix GX PLLs.
The bandwidth and stability of such a system is determined by a number
of factors including the charge pump current, the loop filter resistor
value, the high-frequency capacitor value (in the loop filter), and the m-
counter value. You can use the Quartus II software to control these factors
and to set the bandwidth to the desired value within a given range.
You can set the bandwidth to the appropriate value to balance the need
for jitter filtering and lock time.
a low- and high-bandwidth PLL, respectively, as it locks onto the input
clock.
5
Lock Time = 8 μs
Time (μs)
Figures 1–9
10
and
1–10
show the output of
Altera Corporation
July 2005
15
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