LFXP20C-5F484C Lattice, LFXP20C-5F484C Datasheet - Page 174
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LFXP20C-5F484C
Manufacturer Part Number
LFXP20C-5F484C
Description
IC FPGA 19.7KLUTS 340I/O 484-BGA
Manufacturer
Lattice
Datasheet
1.LFXP3C-3T100C.pdf
(397 pages)
Specifications of LFXP20C-5F484C
Lead Free Status / Rohs Status
Contains lead / RoHS non-compliant
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
LFXP20C-5F484C
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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Lattice Semiconductor
The Single Port RAM (RAM_DQ) can be configured as NORMAL, READ BEFORE WRITE or WRITE THROUGH
modes. Each of these modes affects what data comes out of the port Q of the memory during the write operation
followed by the read operation at the same memory location. The READ BEFORE WRITE attribute is supported for
x9, x18 and x36 data widths.
Additionally users can select to enable the output registers for RAM_DQ. Figures 8-7 through 8-12 show the inter-
nal timing waveforms for the Single Port RAM (RAM_DQ) with these options.
Figure 9-9. Single Port RAM Timing Waveform – NORMAL Mode, without Output Registers
ClockEn
Address
Clock
WrEn
Data
Q
t
t
SUADDR_EBR
SUDATA_EBR
t
SUCE_EBR
Data_0
Add_0
t
SUWREN_EBR
t
t
HADDR_EBR
HDATA_EBR
Invalid Data
Data_1
Add_1
t
HWREN_EBR
9-9
Add_0
LatticeECP/EC and LatticeXP Devices
t
CO_EBR
Data_0
Add_1
Memory Usage Guide
Data_1
Add_2
t
HCE_EBR
Data_2
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