LFEC3E-3QN208I Lattice, LFEC3E-3QN208I Datasheet - Page 233
LFEC3E-3QN208I
Manufacturer Part Number
LFEC3E-3QN208I
Description
IC FPGA 3KLUTS 208PQFP
Manufacturer
Lattice
Series
EC3r
Datasheets
1.LFEC3E-5TN144C.pdf
(163 pages)
2.LFE3-35EA-8FN672I.pdf
(21 pages)
3.LFEC3E-3QN208I.pdf
(478 pages)
Specifications of LFEC3E-3QN208I
Number Of Logic Elements/cells
3100
Number Of Labs/clbs
-
Total Ram Bits
56320
Number Of I /o
145
Number Of Gates
-
Voltage - Supply
1.14 V ~ 1.26 V
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 100°C
Package / Case
208-BFQFP
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
Q6377645
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFEC3E-3QN208I
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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Lattice Semiconductor
Figures 9-33 to 9-36 show the behavior of non-pipelined FIFO or FIFO without output registers. When we pipeline
the registers, the output data is delayed by one clock cycle. There is an extra option of output registers being
enabled by RdEn signal.
Figures 9-37 to 9-40 show the similar waveforms for the FIFO with output register and without output register
enable with RdEn. It should be noted that flags are asserted and de-asserted with similar timing to the FIFO with-
out output registers. However it is only the data out 'Q' that gets delayed by one clock cycle.
Figure 9-37. FIFO with Output Registers, Start of Data Write Cycle
Almost
Almost
Empty
Empty
Reset
Clock
WrEn
RdEn
Data
Full
Full
Q
Invalid Data
Data_1
Data_2
9-34
Invalid Q
Data_3
LatticeECP/EC and LatticeXP Devices
Data_4
Data_5
Memory Usage Guide
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