LFEC15E-5F484C LATTICE SEMICONDUCTOR, LFEC15E-5F484C Datasheet - Page 33
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LFEC15E-5F484C
Manufacturer Part Number
LFEC15E-5F484C
Description
FPGA LatticeEC Family 15400 Cells 420MHz 130nm (CMOS) Technology 1.2V 484-Pin FBGA
Manufacturer
LATTICE SEMICONDUCTOR
Datasheet
1.LFEC3E-5TN144C.pdf
(163 pages)
Specifications of LFEC15E-5F484C
Package
484FBGA
Family Name
LatticeEC
Device Logic Units
15400
Maximum Internal Frequency
420 MHz
Typical Operating Supply Voltage
1.2 V
Maximum Number Of User I/os
352
Ram Bits
358400
In System Programmability
Yes
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LFEC15E-5F484C
Manufacturer:
Lattice Semiconductor Corporation
Quantity:
10 000
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Lattice Semiconductor
Typical 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 about controlling the output logic state with valid
input logic levels during power-up in LatticeECP/EC devices, see the list of technical documentation at the end of
this data sheet.
The V
ers. 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 Standards
The LatticeECP/EC sysI/O 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 1.2,
1.5, 1.8, 2.5 and 3.3V standards. In the LVCMOS and LVTTL modes, the buffer has individually configurable
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,
BLVDS, LVPECL, RSDS, differential SSTL and differential HSTL. Tables 2-13 and 2-14 show the I/O standards
(together with their supply and reference voltages) supported by the LatticeECP/EC devices. For further informa-
tion about utilizing the sysI/O buffer to support a variety of standards please see the the list of technical information
at the end of this data sheet.
Table 2-13. Supported Input Standards
CC
and V
Single Ended Interfaces
LVTTL
LVCMOS33
LVCMOS25
LVCMOS18
LVCMOS15
LVCMOS12
PCI
HSTL18 Class I, II
HSTL18 Class III
HSTL15 Class I
HSTL15 Class III
SSTL3 Class I, II
SSTL2 Class I, II
SSTL18 Class I
Differential Interfaces
Differential SSTL18 Class I
Differential SSTL2 Class I, II
Differential SSTL3 Class I, II
Differential HSTL15 Class I, III
Differential HSTL18 Class I, II, III
LVDS, LVPECL, BLVDS, RSDS
1. When not specified V
2. JTAG inputs do not have a fixed threshold option and always follow V
CCIO
CCAUX
CC
banks are active with valid input logic levels to properly control the output logic states of all the
Input Standard
supply the power to the FPGA core fabric, whereas the V
and V
2
2
2
CCAUX
CCIO
supplies.
can be set anywhere in the valid operating range.
V
REF
2-30
1.08
0.75
1.25
0.9
0.9
1.5
—
—
—
—
—
—
—
0.9
—
—
—
—
—
—
(Nom.)
CC
CCIO
and V
CCJ.
LatticeECP/EC Family Data Sheet
supplies should be powered-up before or
CCAUX
CCIO
V
have reached satisfactory levels.
CCIO
supplies power to the I/O buff-
1.8
1.5
3.3
1
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
(Nom.)
Architecture
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