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参数资料
| 型号： | AT40KEL040KZ1SB |
| 厂商： | ATMEL CORP |
| 元件分类： | FPGA |
| 英文描述： | FPGA, 2304 CLBS, 50000 GATES, PQFP256 |
| 封装： | MQFP-256 |
| 文件页数： | 18/42页 |
| 文件大小： | 670K |
| 代理商： | AT40KEL040KZ1SB |
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25
AT40KEL040
4155G–AERO–05/05
AC Timing
Characteristics
Delays are based on fixed loads and are described in the notes.
Maximum times based on worst case: V
cc = 3.0V, temperature = 125°C.
Minimum times based on best case: V
cc = 3.60V, temperature = -55°C.
Maximum delays are the average of t
PDLH and tPDHL.
AC Timing
Characteristics
All input I/O characteristics measured from V
IH of 50% of VDD at the pad (CMOS threshold) to the internal VIH of 50% of VDD.
All output I/O characteristics are measured as the average of t
PDLH and tPDHL to the pad VIH of 50% of VDD.
Cell Function
Parameter
Path
Value
Units
Notes
Core
2-input gate
t
PD (max)
x/y -> x/y
2.9
ns
1 unit load
3-input gate
t
PD (max)
x/y/z -> x/y
3.1
ns
1 unit load
3-input gate
t
PD (max)
x/y/w -> x/y
3.5
ns
1 unit load
4-input gate
t
PD (max)
x/y/w/z -> x/y
3.5
ns
1 unit load
Fast carry
t
PD (max)
y -> y
2.8
ns
1 unit load
Fast carry
t
PD (max)
x -> y
2.6
ns
1 unit load
Fast crry
t
PD (max)
y -> x
2.8
ns
1 unit load
Fast carry
t
PD (max)
x -> x
2.9
ns
1 unit load
Fast carry
t
PD (max)
w -> y
3.5
ns
1 unit load
Fast carry
t
PD (max)
w -> x
3.5
ns
1 unit load
Fast carry
t
PD (max)
z -> y
3.1
ns
1 unit load
Fast carry
t
PD (max)
z -> x
3.0
ns
1 unit load
DFF
t
PD (max)
Clk -> x/y
4.3
ns
1 unit load
DFF
t
PD (max)
R -> x/y
4.1
ns
1 unit load
DFF
t
PD (max)
S -> x/y
2.8
ns
1 unit load
DFF
tPD (max)
q -> w
4.3
ns
Incremental -> L
tPD (max)
x/y -> L
2.5
ns
1 unit load
Local output enable
tPZX (max)
oe -> L
2.9
ns
1 unit load
Local output enable
tPXZ (max)
oe -> L
0.9
ns
Cell Function
Parameter
Path
Value
Units
Notes
Repeaters
Repeater
t
PD (max)
L -> E
1.3
ns
1 unit load
Repeater
t
PD (max)
E -> E
1.3
ns
1 unit load
Repeater
t
PD (max)
L -> L
1.3
ns
1 unit load
Repeater
t
PD (max)
E -> L
1.3
ns
1 unit load
Repeater
t
PD (max)
E -> IO
0.7
ns
1 unit load
Repeater
t
PD (max)
L -> IO
0.7
ns
1 unit load
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