LFXP2-5E-5QN208C Lattice, LFXP2-5E-5QN208C Datasheet - Page 38

FPGA - Field Programmable Gate Array 5K LUTs 146I/O Inst- on DSP 1.2V -5 Spd

LFXP2-5E-5QN208C

Manufacturer Part Number
LFXP2-5E-5QN208C
Description
FPGA - Field Programmable Gate Array 5K LUTs 146I/O Inst- on DSP 1.2V -5 Spd
Manufacturer
Lattice
Datasheet

Specifications of LFXP2-5E-5QN208C

Number Of Macrocells
5000
Maximum Operating Frequency
200 MHz
Number Of Programmable I/os
146
Data Ram Size
10 KB
Supply Voltage (max)
1.14 V
Supply Current
17 mA
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
0 C
Mounting Style
SMD/SMT
Supply Voltage (min)
1.26 V
Package / Case
PQFP-208
Lead Free Status / RoHS Status
Lead free / RoHS Compliant

Available stocks

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Part Number:
LFXP2-5E-5QN208C
0
Lattice Semiconductor
LatticeXP2 devices contain two types of sysIO buffer pairs.
1. Top and Bottom (Banks 0, 1, 4 and 5) sysIO Buffer Pairs (Single-Ended Outputs Only)
2. Left and Right (Banks 2, 3, 6 and 7) sysIO Buffer Pairs (50% Differential and 100% Single-Ended Outputs)
Typical sysIO I/O Behavior During Power-up
The internal power-on-reset (POR) signal is deactivated when V
After the POR signal is deactivated, the FPGA core logic becomes active. It is the user’s responsibility to ensure
that all other V
I/O banks that are critical to the application. For more information on controlling the output logic state with valid
input logic levels during power-up in LatticeXP2 devices, please see TN1136,
The V
fers. In order to simplify system design while providing consistent and predictable I/O behavior, it is recommended
that the I/O buffers be powered-up prior to the FPGA core fabric. V
together with the V
Supported sysIO Standards
The LatticeXP2 sysIO buffer supports both single-ended and differential standards. Single-ended standards can be
further subdivided into LVCMOS, LVTTL and other standards. The buffers support the LVTTL, LVCMOS 1.2V, 1.5V,
1.8V, 2.5V and 3.3V standards. In the LVCMOS and LVTTL modes, the buffer has individual configuration options
for drive strength, bus maintenance (weak pull-up, weak pull-down, or a bus-keeper latch) and open drain. Other
single-ended standards supported include SSTL and HSTL. Differential standards supported include LVDS,
MLVDS, BLVDS, LVPECL, RSDS, differential SSTL and differential HSTL. Tables 2-12 and 2-13 show the I/O stan-
dards (together with their supply and reference voltages) supported by LatticeXP2 devices. For further information
on utilizing the sysIO buffer to support a variety of standards please see TN1136,
The sysIO buffer pairs in the top banks of the device consist of two single-ended output drivers and two sets of
single-ended input buffers (both ratioed and referenced). One of the referenced input buffers can also be con-
figured as a differential input. 
The two pads in the pair are described as “true” and “comp”, where the true pad is associated with the positive
side of the differential input buffer and the comp (complementary) pad is associated with the negative side of
the differential input buffer. 
Only the I/Os on the top and bottom banks have programmable PCI clamps.
The sysIO buffer pairs in the left and right banks of the device consist of two single-ended output drivers, two
sets of single-ended input buffers (both ratioed and referenced) and one differential output driver. One of the ref-
erenced input buffers can also be configured as a differential input. 
The two pads in the pair are described as “true” and “comp”, where the true pad is associated with the positive
side of the differential I/O, and the comp pad is associated with the negative side of the differential I/O. 
LVDS differential output drivers are available on 50% of the buffer pairs on the left and right banks.
CC
and V
CCIO
CCAUX
CC
banks are active with valid input logic levels to properly control the output logic states of all the
supply the power to the FPGA core fabric, whereas the V
and V
CCAUX
supplies.
2-35
CC
CCIO
and V
supplies should be powered-up before or
CCAUX
LatticeXP2 Family Data Sheet
LatticeXP2 sysIO Usage
CCIO
have reached satisfactory levels.
LatticeXP2 sysIO Usage
supplies power to the I/O buf-
Architecture
Guide.
Guide.

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