參數(shù)資料
型號(hào): LFXP2-17E-7F484C
廠商: LATTICE SEMICONDUCTOR CORP
元件分類: FPGA
中文描述: FPGA, 420 MHz, PBGA484
封裝: 23 X 23 MM, FPBGA-484
文件頁數(shù): 35/92頁
文件大?。?/td> 1701K
代理商: LFXP2-17E-7F484C
2-37
Architecture
Lattice Semiconductor
LatticeXP2 Family Data Sheet
Table 2-13. Supported Output Standards
Hot Socketing
LatticeXP2 devices have been carefully designed to ensure predictable behavior during power-up and power-
down. Power supplies can be sequenced in any order. During power-up and power-down sequences, the I/Os
remain in tri-state until the power supply voltage is high enough to ensure reliable operation. In addition, leakage
into I/O pins is controlled to within specified limits. This allows for easy integration with the rest of the system.
These capabilities make the LatticeXP2 ideal for many multiple power supply and hot-swap applications.
IEEE 1149.1-Compliant Boundary Scan Testability
All LatticeXP2 devices have boundary scan cells that are accessed through an IEEE 1149.1 compliant Test Access
Port (TAP). This allows functional testing of the circuit board, on which the device is mounted, through a serial scan
path that can access all critical logic nodes. Internal registers are linked internally, allowing test data to be shifted in
Output Standard
Drive
VCCIO (Nom.)
Single-ended Interfaces
LVTTL
4mA, 8mA, 12mA, 16mA, 20mA
3.3
LVCMOS33
4mA, 8mA, 12mA 16mA, 20mA
3.3
LVCMOS25
4mA, 8mA, 12mA, 16mA, 20mA
2.5
LVCMOS18
4mA, 8mA, 12mA, 16mA
1.8
LVCMOS15
4mA, 8mA
1.5
LVCMOS12
2mA, 6mA
1.2
LVCMOS33, Open Drain
4mA, 8mA, 12mA 16mA, 20mA
LVCMOS25, Open Drain
4mA, 8mA, 12mA 16mA, 20mA
LVCMOS18, Open Drain
4mA, 8mA, 12mA 16mA
LVCMOS15, Open Drain
4mA, 8mA
LVCMOS12, Open Drain
2mA, 6mA
PCI33
N/A
3.3
HSTL18 Class I, II
N/A
1.8
HSTL15 Class I
N/A
1.5
SSTL33 Class I, II
N/A
3.3
SSTL25 Class I, II
N/A
2.5
SSTL18 Class I, II
N/A
1.8
Differential Interfaces
Differential SSTL33, Class I, II
N/A
3.3
Differential SSTL25, Class I, II
N/A
2.5
Differential SSTL18, Class I, II
N/A
1.8
Differential HSTL18, Class I, II
N/A
1.8
Differential HSTL15, Class I
N/A
1.5
LVDS
1, 2
N/A
2.5
MLVDS
1
N/A
2.5
BLVDS
1
N/A
2.5
LVPECL
1
N/A
3.3
RSDS
1
N/A
2.5
LVCMOS33D
1
4mA, 8mA, 12mA, 16mA, 20mA
3.3
1. Emulated with external resistors. For more detail, please see TN1138, LatticeXP2 High Speed I/O Interface.
2. On the left and right edges, LVDS outputs are supported with a dedicated differential output driver on 50% of the I/Os. This
solution does not require external resistors at the driver.
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