LFEC3E-3QN208I Lattice, LFEC3E-3QN208I Datasheet - Page 250
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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Memory Usage Guide
Lattice Semiconductor
LatticeECP/EC and LatticeXP Devices
Figure 9-62. PFU Based ROM Timing Waveform – with Output Registers
Reset
OutClock
OutClockEn
t
t
SUADDR_PFU
HADDR_PFU
Address
Add_0
Add_1
Add_2
Q
Invalid Data
Data_0
Data_1
t
CORAM_PFU
Initializing Memory
In the EBR based ROM or RAM memory modes and the PFU based ROM memory mode, it is possible to specify
the power-on state of each bit in the memory array. Each bit in the memory array can have one of two values: 0 or
1.
Initialization File Format
The initialization file is an ASCII file, which a user can create or edit using any ASCII editor. IPexpress supports
three types of memory file formats:
1. Binary file
2. Hex File
3. Addressed Hex
The file name for the memory initialization file is *.mem (<file_name>.mem). Each row depicts the value to be
stored in a particular memory location. The number of characters (or the number of columns) represents the num-
ber of bits for each address (or the width of the memory module).
The Initialization File is primarily used for configuring the ROMs. The EBR in RAM mode can optionally use this Ini-
tialization File also to preload the memory contents.
9-51
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