参数资料
型号: XA3S250E-4FTG256I
厂商: Xilinx Inc
文件页数: 3/37页
文件大小: 0K
描述: IC FPGA SPARTAN-3E 250K 456-FBGA
标准包装: 90
系列: Spartan®-3E XA
LAB/CLB数: 612
逻辑元件/单元数: 5508
RAM 位总计: 221184
输入/输出数: 172
门数: 250000
电源电压: 1.14 V ~ 1.26 V
安装类型: 表面贴装
工作温度: -40°C ~ 100°C
封装/外壳: 256-LBGA
供应商设备封装: 256-FTBGA
DS635 (v2.0) September 9, 2009
Product Specification
11
R
Single-Ended I/O Standards
Table 9: Recommended Operating Conditions for User I/Os Using Single-Ended Standards
IOSTANDARD
Attribute
VCCO for Drivers(2)
VREF
VIL
VIH
Min (V)
Nom (V)
Max (V)
Min (V)
Nom (V)
Max (V)
Min (V)
LVTTL
3.0
3.3
3.465
VREF is not used for
these I/O standards
0.8
2.0
LVCMOS33(4)
3.0
3.3
3.465
0.8
2.0
LVCMOS25(4,5)
2.3
2.5
2.7
0.7
1.7
LVCMOS18
1.65
1.8
1.95
0.4
0.8
LVCMOS15
1.4
1.5
1.6
0.4
0.8
LVCMOS12
1.1
1.2
1.3
0.4
0.7
PCI33_3
3.0
3.3
3.465
0.3 * VCCO
0.5 * VCCO
HSTL_I_18
1.7
1.8
1.9
0.8
0.9
1.1
VREF - 0.1
VREF + 0.1
HSTL_III_18
1.7
1.8
1.9
-
1.1
-
VREF - 0.1
VREF + 0.1
SSTL18_I
1.7
1.8
1.9
0.833
0.900
0.969
VREF - 0.125
VREF + 0.125
SSTL2_I
2.3
2.5
2.7
1.15
1.25
1.35
VREF - 0.125
VREF + 0.125
Notes:
1.
Descriptions of the symbols used in this table are as follows:
VCCO – the supply voltage for output drivers
VREF – the reference voltage for setting the input switching threshold
VIL – the input voltage that indicates a Low logic level
VIH – the input voltage that indicates a High logic level
2.
The VCCO rails supply only output drivers, not input circuits.
3.
For device operation, the maximum signal voltage (VIH max) may be as high as VIN max. See Table 72 in DS312.
4.
There is approximately 100 mV of hysteresis on inputs using LVCMOS33 and LVCMOS25 I/O standards.
5.
All Dedicated pins (PROG_B, DONE, TCK, TDI, TDO, and TMS) use the LVCMOS25 standard and draw power from the VCCAUX rail (2.5V).
The Dual-Purpose configuration pins use the LVCMOS standard before the User mode. When using these pins as part of a standard 2.5V
configuration interface, apply 2.5V to the VCCO lines of Banks 0, 1, and 2 at power-on as well as throughout configuration.
6.
For information on PCI IP solutions, see www.xilinx.com/pci.
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