參數(shù)資料
型號(hào)： A3P125-FVQG100
元件分類： FPGA
英文描述： FPGA, 3072 CLBS, 125000 GATES, 350 MHz, PQFP100
封裝： 14 X 14 MM, 1 MM HEIGHT, 0.50 MM PITCH, GREEN, VQFP-100
文件頁(yè)數(shù)： 46/49頁(yè)
文件大?。?/td> 5893K
代理商： A3P125-FVQG100
ProASIC3 DC and Switching Characteristics
v1.3
2 - 79
Global Tree Timing Characteristics
Global clock delays include the central rib delay, the spine delay, and the row delay. Delays do not
include I/O input buffer clock delays, as these are I/O standard–dependent, and the clock may be
driven and conditioned internally by the CCC module. For more details on clock conditioning
Table 2-105 on page 2-82 present minimum and maximum global clock delays within each device.
Minimum and maximum delays are measured with minimum and maximum loading.
Timing Characteristics
Table 2-98 A3P015 Global Resource
Commercial-Case Conditions: TJ = 70°C, VCC = 1.425 V
Parameter Description
–2
–1
Std.
–F
Units
Min.1 Max.2 Min.1 Max.2 Min.1 Max.2 Min.1 Max.2
tRCKL
Input LOW Delay for Global Clock
0.66
0.81
0.75
0.92
0.88
1.08
1.06
1.30
ns
tRCKH
Input HIGH Delay for Global Clock
0.67
0.84
0.76
0.96
0.89
1.13
1.07
1.36
ns
tRCKMPWH Minimum Pulse Width HIGH for Global Clock
ns
tRCKMPWL Minimum Pulse Width LOW for Global Clock
ns
tRCKSW
Maximum Skew for Global Clock
0.18
0.21
0.25
0.30
ns
FRMAX
Maximum Frequency for Global Clock
MHz
Notes:
1. Value reflects minimum load. The delay is measured from the CCC output to the clock pin of a sequential
element, located in a lightly loaded row (single element is connected to the global net).
2. Value reflects maximum load. The delay is measured on the clock pin of the farthest sequential element,
located in a fully loaded row (all available flip-flops are connected to the global net in the row).
3. For specific junction temperature and voltage-supply levels, refer to Table 2-6 on page 2-6 for derating
values.
Table 2-99 A3P030 Global Resource
Commercial-Case Conditions: TJ = 70°C, VCC = 1.425 V
Parameter
Description
–2
–1
Std.
–F
Units
Min.1 Max.2 Min.1 Max.2 Min.1 Max.2 Min.1 Max.2
tRCKL
Input LOW Delay for Global Clock
0.67 0.81 0.76 0.92 0.89 1.09 1.07 1.31
ns
tRCKH
Input HIGH Delay for Global Clock
0.680.85 0.770.970.911.141.091.37
ns
tRCKMPWH Minimum Pulse Width HIGH for Global Clock
ns
tRCKMPWL Minimum Pulse Width LOW for Global Clock
ns
tRCKSW
Maximum Skew for Global Clock
0.18
0.21
0.24
0.29
ns
FRMAX
Maximum Frequency for Global Clock
MHz
Notes:
1. Value reflects minimum load. The delay is measured from the CCC output to the clock pin of a sequential
element, located in a lightly loaded row (single element is connected to the global net).
2. Value reflects maximum load. The delay is measured on the clock pin of the farthest sequential element,
located in a fully loaded row (all available flip-flops are connected to the global net in the row).
3. For specific junction temperature and voltage supply levels, refer to Table 2-6 on page 2-6 for derating
values.
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