LFXP2-8E-5FTN256I Lattice, LFXP2-8E-5FTN256I Datasheet - Page 215
LFXP2-8E-5FTN256I
Manufacturer Part Number
LFXP2-8E-5FTN256I
Description
FPGA - Field Programmable Gate Array 8K LUTs 201 I/O Inst on DSP 1.2V -5 Spd
Manufacturer
Lattice
Datasheet
1.LFXP2-8E-5FTN256I.pdf
(341 pages)
Specifications of LFXP2-8E-5FTN256I
Number Of Macrocells
8000
Number Of Programmable I/os
201
Data Ram Size
226304
Supply Voltage (max)
1.26 V
Maximum Operating Temperature
+ 100 C
Minimum Operating Temperature
- 40 C
Mounting Style
SMD/SMT
Supply Voltage (min)
1.14 V
Package / Case
FTBGA-256
Number Of Logic Elements/cells
*
Number Of Labs/clbs
*
Total Ram Bits
226304
Number Of I /o
201
Number Of Gates
-
Voltage - Supply
1.14 V ~ 1.26 V
Mounting Type
*
Operating Temperature
-40°C ~ 100°C
Package
256FTBGA
Family Name
LatticeXP2
Device Logic Units
8000
Typical Operating Supply Voltage
1.2 V
Maximum Number Of User I/os
201
Ram Bits
226304
Re-programmability Support
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFXP2-8E-5FTN256I
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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Lattice Semiconductor
Table 11-4. IDDRMFX1A Ports
Figure 11-14 shows the LatticeXP2 Input Register Block configured to function in the IDDRXMFX1A mode.
The DDR registers are designed to use Edge clock routing on the I/O side and the primary clock on the FPGA side.
The ECLK input is used to connect to the DQS strobe coming from the DQS delay block (DQSBUFC primitive). The
CLK1 and CLK2 inputs should be connected to the slow system (FPGA) clock. DDRCLKPOL is an input from the
DQS Clock Polarity tree. This signal is generated by the DQS Transition detect circuit in the hardware. The addi-
tional clock transfer registers are shared with the output register block.
Figure 11-14. Input Register Block in IDDRMFX1A Mode
Figure 11-15 shows the IDDRMFX1A timing waveform.
ECLK
CLK1
DATA
D
ECLK
RST
CLK1
CLK2
CE
DDRCLKPOL
QA
QB
Note:
DDRCLKPOL
Port Name
The DDRCLKPOL input to IDDRMFX1A should be connected to the DDRCLKPOL output of DQSBUFC.
B
A
DDR Registers
I/O
O
O
I
I
I
I
I
I
I
DDR Data
The phase shifted DQS should be connected to this input
Reset
Slow FPGA CLK
Slow FPGA CLK
Clock enable
DDR clock polarity signal
Data at the positive edge of the CLK
Data at the negative edge of the CLK
C
IDDRMFX1A
11-11
Synchronization
Registers
Description
E
D
LatticeXP2 High-Speed I/O Interface
CLK2
Clock Transfer
Registers
H
I
QB
QA
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