参数资料
型号: XC3S400AN-4FG400I
厂商: Xilinx Inc
文件页数: 55/123页
文件大小: 0K
描述: IC FPGA SPARTAN 3AN 400FBGA
标准包装: 60
系列: Spartan®-3AN
LAB/CLB数: 896
逻辑元件/单元数: 8064
RAM 位总计: 368640
输入/输出数: 311
门数: 400000
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: 400-BGA
供应商设备封装: 400-FBGA(21x21)
Spartan-3AN FPGA Family: DC and Switching Characteristics
DS557 (v4.1) April 1, 2011
Product Specification
37
Three-State Output Propagation Times
Table 28: Timing for the IOB Three-State Path
Symbol
Description
Conditions
Device
Speed Grade
Units
-5
-4
Max
Synchronous Output Enable/Disable Times
TIOCKHZ
Time from the active transition at the OTCLK
input of the Three-state Flip-Flop (TFF) to when
the Output pin enters the high-impedance state
LVCMOS25, 12 mA
output drive, Fast slew
rate
All
0.63
0.76
ns
TIOCKON(2)
Time from the active transition at TFF’s OTCLK
input to when the Output pin drives valid data
All
2.80
3.06
ns
Asynchronous Output Enable/Disable Times
TGTS
Time from asserting the Global Three State
(GTS) input on the STARTUP_SPARTAN3A
primitive to when the Output pin enters the
high-impedance state
LVCMOS25, 12 mA
output drive, Fast slew
rate
All
9.47
10.36
ns
Set/Reset Times
TIOSRHZ
Time from asserting TFF’s SR input to when the
Output pin enters a high-impedance state
LVCMOS25, 12 mA
output drive, Fast slew
rate
All
1.61
1.86
ns
TIOSRON(2)
Time from asserting TFF’s SR input at TFF to
when the Output pin drives valid data
All
3.57
3.82
ns
Notes:
1.
The numbers in this table are tested using the methodology presented in Table 30 and are based on the operating conditions set forth in
2.
This time requires adjustment whenever a signal standard other than LVCMOS25 with 12 mA drive and Fast slew rate is assigned to the
data Output. When this is true, add the appropriate Output adjustment from Table 29.
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