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参数资料
| 型号： | AT40K40LV-3EQC |
| 厂商： | ATMEL CORP |
| 元件分类： | FPGA |
| 英文描述： | FPGA, 2304 CLBS, 40000 GATES, PQFP240 |
| 封装： | PLASTIC, QFP-240 |
| 文件页数： | 28/67页 |
| 文件大小： | 1589K |
| 代理商： | AT40K40LV-3EQC |
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34
AT40K/AT40KLV Series FPGA
0896C–FPGA–04/02
AC Timing Characteristics – 3.3V Operation AT40KLV
Delays are based on fixed loads and are described in the notes.
Maximum times based on worst case: VCC = 3.0V, temperature = 70°C
Minimum times based on best case: VCC = 3.6V, temperature = 0°C
Maximum delays are the average of tPDLH and tPDHL.
All input IO characteristics measured from a V
IH of 50% of VDD at the pad (CMOS threshold) to the internal VIH of 50% of
V
DD. All output IO characteristics are measured as the average of tPDLH and tPDHL to the pad VIH of 50% of VDD.
Cell Function
Parameter
Path
-3
Units
Notes
Repeaters
Repeater
t
PD (Maximum)
L -> E
2.2
ns
1 unit load
Repeater
tPD (Maximum)
E -> E
2.2
ns
1 unit load
Repeater
tPD (Maximum)
L -> L
2.2
ns
1 unit load
Repeater
tPD (Maximum)
E -> L
2.2
ns
1 unit load
Repeater
t
PD (Maximum)
E -> IO
1.4
ns
1 unit load
Repeater
t
PD (Maximum)
L -> IO
1.4
ns
1 unit load
All input IO characteristics measured from a VIH of 50% of VDD at the pad (CMOS threshold) to the internal VIH of 50% of
VDD. All output IO characteristics are measured as the average of tPDLH and tPDHL to the pad VIH of 50% of VDD.
Cell Function
Parameter
Path
-3
Units
Notes
IO
Input
tPD (Maximum)
pad -> x/y
1.9
ns
No extra delay
Input
tPD (Maximum)
pad -> x/y
5.8
ns
1 extra delay
Input
tPD (Maximum)
pad -> x/y
11.5
ns
2 extra delays
Input
t
PD (Maximum)
pad -> x/y
17.4
ns
3 extra delays
Output, Slow
t
PD (Maximum)
x/y/E/L -> pad
9.1
ns
50 pf load
Output, Medium
tPD (Maximum)
x/y/E/L -> pad
7.6
ns
50 pf load
Output, Fast
tPD (Maximum)
x/y/E/L -> pad
6.2
ns
50 pf load
Output, Slow
tPZX (Maximum)
oe -> pad
9.5
ns
50 pf load
Output, Slow
tPXZ (Maximum)
oe -> pad
2.1
ns
50 pf load
Output, Medium
t
PZX (Maximum)
oe -> pad
7.4
ns
50 pf load
Output, Medium
t
PXZ (Maximum)
oe -> pad
2.7
ns
50 pf load
Output, Fast
tPZX (Maximum)
oe -> pad
5.9
ns
50 pf load
Output, Fast
tPXZ (Maximum)
oe -> pad
2.4
ns
50 pf load
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