LFEC1E-4TN144C LATTICE SEMICONDUCTOR, LFEC1E-4TN144C Datasheet - Page 59
![no-image](/images/manufacturer_photos/0/3/381/lattice_semiconductor_sml.jpg)
LFEC1E-4TN144C
Manufacturer Part Number
LFEC1E-4TN144C
Description
FPGA LatticeEC Family 1500 Cells 378MHz 130nm (CMOS) Technology 1.2V 144-Pin TQFP
Manufacturer
LATTICE SEMICONDUCTOR
Datasheet
1.LFEC3E-5TN144C.pdf
(163 pages)
Specifications of LFEC1E-4TN144C
Package
144TQFP
Family Name
LatticeEC
Device Logic Units
1500
Maximum Internal Frequency
378 MHz
Typical Operating Supply Voltage
1.2 V
Maximum Number Of User I/os
97
Ram Bits
18432
In System Programmability
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFEC1E-4TN144C
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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Lattice Semiconductor
sysCLOCK PLL 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.
2. Output clock is valid after t
3. Using LVDS output buffers.
4. Relative to CLKOP.
Timing v.G 0.30
IN
OUT
OUT2
VCO
PFD
DT
PH
OPJIT
SK
W
LOCK
PA
IPJIT
FBKDLY
HI
LO
RST
Parameter
4
2
1
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
LOCK
Description
for PLL reset and dynamic delay adjustment.
Over Recommended Operating Conditions
Default Duty Cycle
Elected
f
f
90% to 90%
10% to 10%
Divider ratio = integer
At 90% or 10%
OUT
OUT
3-23
>= 100MHz
< 100MHz
Conditions
3
3
DC and Switching Characteristics
LatticeECP/EC Family Data Sheet
0.195
Min.
420
100
0.5
0.5
25
25
25
45
10
—
—
—
—
—
—
—
1
Typ.
250
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
+/- 125
+/- 200
+/- 200
Max.
0.05
0.02
420
420
210
840
150
450
55
10
—
—
—
—
—
Units
UIPP
MHz
MHz
MHz
MHz
MHz
ps
ps
ns
µs
ps
ps
ns
ns
ns
ns
UI
%
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