LFXP3C-3TN100I Lattice, LFXP3C-3TN100I Datasheet - Page 211
LFXP3C-3TN100I
Manufacturer Part Number
LFXP3C-3TN100I
Description
FPGA - Field Programmable Gate Array 3.1K LUTs 62 IO 1.8/ 2.5/3.3V -3 Spd I
Manufacturer
Lattice
Specifications of LFXP3C-3TN100I
Number Of Programmable I/os
62
Data Ram Size
55296
Supply Voltage (max)
3.465 V
Maximum Operating Temperature
+ 100 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Supply Voltage (min)
1.71 V
Package / Case
TQFP-100
Package
100TQFP
Family Name
LatticeXP
Device Logic Units
3000
Maximum Internal Frequency
320 MHz
Typical Operating Supply Voltage
1.8|2.5|3.3 V
Maximum Number Of User I/os
62
Ram Bits
55296
Re-programmability Support
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFXP3C-3TN100I
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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Figure 9-54. PFU Based Distributed Single Port RAM Timing Waveform – with Output Registers
Distributed Dual Port RAM (Distributed_DPRAM) – PFU Based
PFU-based Distributed Dual Port RAM is also created using the four input LUT (Look-Up Table) available in the
PFU. These LUTs can be cascaded to create larger distributed memory sizes.
Figure 9-55 shows the Distributed Single Port RAM module as generated by IPexpress.
Figure 9-55. Distributed Dual Port RAM Module Generated by IPexpress
The generated module makes use of a 4-input LUT available in the PFU. Additional logic for Clocks, Clock Enables
and Reset is generated by utilizing the resources available in the PFU. The basic Distributed Dual Port RAM primi-
tive for the LatticeECP/EC and LatticeXP devices is shown in Figure 9-56.
ClockEn
Address
Reset
Clock
Data
WE
Q
t
t
SUWREN_PFU
SUADDR_PFU
t
SUDATA_PFU
Data_0
Add_0
RdClockEn
WrClockEn
WrAddress
RdAddress
t
t
HADDR_PFU
HDATA_PFU
RdClock
WrClock
Invalid Data
Reset
Data
WE
Data_1
Add_1
t
HWREN_PFU
Distributed Dual Port
9-46
PFU based
Memory
Add_0
LatticeECP/EC and LatticeXP Devices
t
CO?
Data_0
Add_1
Q
Memory Usage Guide
Data_1
Add_2
Data_2
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