参数资料
型号: A1280A-CQ172CX79
元件分类: FPGA
英文描述: FPGA, CQFP172
封装: CERAMIC, CQFP-172
文件页数: 25/54页
文件大小: 333K
代理商: A1280A-CQ172CX79
RadTolerant FPGAs
v3.1
1-27
Table 1-20 RT1460A, A1460A Clock Networks
Worst-Case Military Conditions, VCC = 4.5 V, TJ = 125°C
–1 Speed
Std Speed
Parameter
Description
Min.
Max.
Min.
Max.
Units
Dedicated (Hard-Wired) I/O Clock Network
tIOCKH
Input Low to High (Pad to I/O Module Input)
3.5
4.1
ns
tIOPWH
Minimum Pulse Width High
4.8
5.7
ns
tIOPWL
Minimum Pulse Width Low
4.8
5.7
ns
tIOSAPW
Minimum Asynchronous Pulse Width
3.9
4.4
ns
tIOCKSW
Maximum Skew
0.9
1.0
ns
tIOP
Minimum Period
9.9
11.6
ns
fIOMAX
Maximum Frequency
100
85
MHz
Dedicated (Hard-Wired) Array Clock Network
tHCKH
Input Low to High
(Pad to S-Module Input)
5.5
6.4
ns
tHCKL
Input High to Low
(Pad to S-Module Input)
5.5
6.4
ns
tHPWH
Minimum Pulse Width High
4.8
5.7
ns
tHPWL
Minimum Pulse Width Low
4.8
5.7
ns
tHCKSW
Maximum Skew
0.9
1.0
ns
tHP
Minimum Period
9.9
11.6
ns
fHMAX
Maximum Frequency
100
85
MHz
Routed Array Clock Networks
tRCKH
Input Low to High (FO=256)
9.0
10.5
ns
tRCKL
Input High to Low (FO=256)
9.0
10.5
ns
tRPWH
Min. Pulse Width High (FO=256)
6.3
7.1
ns
tRPWL
Min. Pulse Width Low (FO=256)
6.3
7.1
ns
tRCKSW
Maximum Skew (FO=128)
1.9
2.1
ns
tRP
Minimum Period (FO=256)
12.9
14.5
ns
fRMAX
Maximum Frequency (FO=256)
75
65
MHz
Clock-to-Clock Skews
tIOHCKSW
I/O Clock to H-Clock Skew
0.0
3.0
0.0
3.0
ns
tIORCKSW
I/O Clock to R-Clock Skew
0.0
5.0
0.0
5.0
ns
tHRCKSW
H-Clock to R-Clock Skew
(FO = 64)
(FO = 50% max.)
0.0
1.0
3.0
0.0
1.0
3.0
ns
Note: SSO information can be found in the Simultaneously Switching Noise and Signal Integrity application note.
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