参数资料
型号: XC3S1400A-4FT256I
厂商: Xilinx Inc
文件页数: 52/132页
文件大小: 0K
描述: IC FPGA SPARTAN 3 256FTBGA
标准包装: 90
系列: Spartan®-3A
LAB/CLB数: 2816
逻辑元件/单元数: 25344
RAM 位总计: 589824
输入/输出数: 161
门数: 1400000
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
DC and Switching Characteristics
26
DS529-3 (v2.0) August 19, 2010
TIOICKPD
Time from the active transition at the
ICLK input of the Input Flip-Flop (IFF)
to the point where data must be held
at the Input pin. The Input Delay is
programmed.
LVCMOS25(3)
1
XC3S400A
–1.12
ns
2
–1.70
ns
3
–2.08
ns
4
–2.38
ns
5
–2.23
ns
6
–2.69
ns
7
–3.08
ns
8
–3.35
ns
1
XC3S700A
–1.67
ns
2
–2.27
ns
3
–2.59
ns
4
–2.92
ns
5
–2.89
ns
6
–3.22
ns
7
–3.52
ns
8
–3.81
ns
1
XC3S1400A
–1.60
ns
2
–2.06
ns
3
–2.46
ns
4
–2.86
ns
5
–2.88
ns
6
–3.24
ns
7
–3.55
ns
8
–3.89
ns
Set/Reset Pulse Width
TRPW_IOB
Minimum pulse width to SR control
input on IOB
-
All
1.33
1.61
ns
Notes:
1.
The numbers in this table are tested using the methodology presented in Table 27 and are based on the operating conditions set forth in
2.
This setup time requires adjustment whenever a signal standard other than LVCMOS25 is assigned to the data Input. If this is true, add the
appropriate Input adjustment from Table 23.
3.
These hold times require adjustment whenever a signal standard other than LVCMOS25 is assigned to the data Input. If this is true, subtract
the appropriate Input adjustment from Table 23. When the hold time is negative, it is possible to change the data before the clock’s active
edge.
Table 21: Sample Window (Source Synchronous)
Symbol
Description
Max
Units
TSAMP
Setup and hold
capture window of
an IOB flip-flop.
The input capture sample window value is highly specific to a particular application, device,
package, I/O standard, I/O placement, DCM usage, and clock buffer. Please consult the
appropriate Xilinx Answer Record for application-specific values.
Answer Record 30879
ps
Table 20: Setup and Hold Times for the IOB Input Path(Continued)
Symbol
Description
Conditions
IFD_
DELAY_
VALUE
Device
Speed Grade
Units
-5
-4
Min
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