參數(shù)資料
型號: LFX125EB-04F256I
廠商: Lattice Semiconductor Corporation
文件頁數(shù): 27/119頁
文件大?。?/td> 0K
描述: IC FPGA 139K GATES 256-BGA
標(biāo)準(zhǔn)包裝: 90
系列: ispXPGA®
邏輯元件/單元數(shù): 1936
RAM 位總計: 94208
輸入/輸出數(shù): 160
門數(shù): 139000
電源電壓: 2.3 V ~ 3.6 V
安裝類型: 表面貼裝
工作溫度: -40°C ~ 105°C
封裝/外殼: 256-BGA
供應(yīng)商設(shè)備封裝: 256-FPBGA(17x17)
其它名稱: 220-1238
Lattice Semiconductor
ispXPGA Family Data Sheet
11
Figure 11. ispXPGA PIO
VLI Routing Resources
The ispXPGA architecture contains a Variable-Length-Interconnect (VLI) routing technology connecting the PFUs,
PICs, and EBRs in the device. There are four types of routing resources, Global Lines, Long Lines, General Inter-
connect, and Local Lines forming the global routing structure. This allows a signal to be routed to any element in
the device with the optimal delay.
The Global Lines consist of global clock lines and a global set/reset line. These lines are routed to all elements in
the device. They are specifically designed for high speed, predictable timing regardless of fan-out. The global clock
lines can also be used as dedicated inputs.
The Long Lines consist of Horizontal and Vertical Long Lines (HLL and VLL). The VLL and HLL are tri-statable
lines spanning the entire device. These lines allow fast routing for high fan-out nets and general-purpose functions.
The General Interconnect consists of Double and Deca Lines. The Double Lines connect up to three elements (two
plus the driving element), while the Deca Lines connect up to eleven elements (ten plus the driving element).
The Local Lines are extremely fast routing paths consisting of Feedback and Direct Connect Lines. The Feedback
Lines are internal routing paths from the PFU outputs to the PFU inputs. The Direct Connect Lines connect all adja-
cent elements.
The Common Interface Block (CIB) provides the link between the logic element (PFU, PIC, or EBR) and the VLI
Routing resources. The CIB is a switch matrix that can be programmed to connect virtually any routing resource to
any input or output of the logic element.
Feed-through (FT)
OUT0
Clock (CLK)
Input Clock Enable (ICEN)
Input Set/Reset (ISR)
Global Set/Reset(GSR)
Output Clock Enable (OCEN)
PIO Input (IN)
Output Set/Reset (OSR)
PIO Output Enable(OEN)
PIO Input Enable (IEN)
OUT1
Delay
OE
From sysIO Input
To sysIO
Output
Enable
To sysIO
Output
CE
DQ
SR
CLK/LE
CE
DQ
SR
CLK/LE
CE
DQ
SR
CLK/LE
From sysHSI block
To Routing
To sysHSI
block
To sysHSI
block
Only for PIOs associated with sysHSI Blocks
Only for PIOs
Associated with
sysHSI Blocks
SELECT
DEVICES
DISCONTINUED
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