LFE2-20E-5FN256C Lattice, LFE2-20E-5FN256C Datasheet - Page 86
![no-image](/images/manufacturer_photos/0/3/380/lattice_sml.jpg)
LFE2-20E-5FN256C
Manufacturer Part Number
LFE2-20E-5FN256C
Description
IC FPGA 20KLUTS 193I/O 256-BGA
Manufacturer
Lattice
Datasheet
1.LFE2-12E-5FN256C.pdf
(385 pages)
Specifications of LFE2-20E-5FN256C
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
220-1200
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFE2-20E-5FN256C
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
- Current page: 86 of 385
- Download datasheet (3Mb)
Lattice Semiconductor
sysCLOCK GPLL Timing
f
f
f
f
f
AC Characteristics
t
t
t
t
t
t
t
t
t
t
t
t
1. Jitter sample is taken over 10,000 samples of the primary PLL output with clean reference clock and no additional I/O pins toggling.
2. Output clock is valid after t
3. Using LVDS output buffers.
4. Relative to CLKOP.
5. Value of external capacitor: 5.6 nF ±20%, NPO dielectric, ceramic chip capacitor, 1206 or smaller package, connected to PLLCAP pin.
6. f
Timing v.A 0.11
IN
OUT
OUT2
VCO
PFD
DT
PH
OPJIT
SK
W
LOCK
PA
IPJIT
FBKDLY
HI
LO
RST
Parameter
4
OUT
2
1
(max) = f
Input Clock Frequency (CLKI, CLKFB)
Output Clock Frequency (CLKOP,
CLKOS)
K-Divider Output Frequency (CLKOK)
PLL VCO Frequency
Phase Detector Input Frequency
Output Clock Duty Cycle
Output Phase Accuracy
Output Clock Period Jitter
Input Clock to Output Clock Skew
Output Clock Pulse Width
PLL Lock-in Time
Programmable Delay Unit
Input Clock Period Jitter
External Feedback Delay
Input Clock High Time
Input Clock Low Time
RST Pulse Width (RESETM/RESETK)
Reset Signal Pulse Width (CNTRST)
IN
* 10 for f
IN
LOCK
< 5MHz.
Description
for PLL reset and dynamic delay adjustment.
Over Recommended Operating Conditions
Without external capacitor
With external capacitor
Without external capacitor
With external capacitor
Without external capacitor
With external capacitor
Without external capacitor
With external capacitor
f
50 ≤ f
f
Without external capacitor
With external capacitor
Without external capacitor
With external capacitor
Default duty cycle selected
N/M = integer
At 90% or 10%
90% to 90%
10% to 10%
OUT
OUT
3-35
≥ 100 MHz
< 50 MHz
OUT
< 100 MHz
Conditions
DC and Switching Characteristics
LatticeECP2/M Family Data Sheet
5, 6
5
5
5, 6
5
5
3
0.156
0.039
Min.
640
500
0.5
0.5
20
20
20
45
85
15
20
—
—
—
—
—
—
—
—
—
2
5
2
1
Typ.
130
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
±0.05
0.025
Max.
1280
±125
±200
±250
0.04
420
420
420
210
420
150
500
360
50
25
50
55
10
—
—
—
—
—
—
Units
UIPP
UIPP
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
µs
µs
µs
ps
ps
ns
ps
ps
ns
ns
ns
ns
ns
%
UI
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