LFXP2-8E-5FTN256I Lattice, LFXP2-8E-5FTN256I Datasheet - Page 30
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
sysMEM Memory
LatticeXP2 devices contains a number of sysMEM Embedded Block RAM (EBR). The EBR consists of 18 Kbit
RAM with dedicated input and output registers.
sysMEM Memory Block
The sysMEM block can implement single port, dual port or pseudo dual port memories. Each block can be used in
a variety of depths and widths as shown in Table 2-5. FIFOs can be implemented in sysMEM EBR blocks by using
support logic with PFUs. The EBR block supports an optional parity bit for each data byte to facilitate parity check-
ing. EBR blocks provide byte-enable support for configurations with18-bit and 36-bit data widths.
Table 2-5. sysMEM Block Configurations
Bus Size Matching
All of the multi-port memory modes support different widths on each of the ports. The RAM bits are mapped LSB
word 0 to MSB word 0, LSB word 1 to MSB word 1, and so on. Although the word size and number of words for
each port varies, this mapping scheme applies to each port.
FlashBAK EBR Content Storage
All the EBR memory in the LatticeXP2 is shadowed by Flash memory. Optionally, initialization values for the mem-
ory blocks can be defined using the Lattice ispLEVER tools. The initialization values are loaded into the Flash
memory during device programming and into the SRAM at power up or whenever the device is reconfigured. This
feature is ideal for the storage of a variety of information such as look-up tables and microprocessor code. It is also
possible to write the current contents of the EBR memory back to Flash memory. This capability is useful for the
storage of data such as error codes and calibration information. For additional information on the FlashBAK capa-
bility see TN1137,
LatticeXP2 Memory Usage
Single Port
True Dual Port
Pseudo Dual Port
Memory Mode
Guide.
2-16
Configurations
16,384 x 1
1,024 x 18
16,384 x 1
1,024 x 18
16,384 x 1
1,024 x 18
8,192 x 2
4,096 x 4
2,048 x 9
8,192 x 2
4,096 x 4
2,048 x 9
8,192 x 2
4,096 x 4
2,048 x 9
512 x 36
512 x 36
LatticeXP2 Family Data Sheet
Architecture
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