2-54 Revision 11 Global Tree Timing Characteristics Global clock delays include the central rib del" />
參數(shù)資料
型號(hào): A3PN015-QNG68I
廠商: Microsemi SoC
文件頁(yè)數(shù): 80/114頁(yè)
文件大?。?/td> 0K
描述: IC FPGA NANO 15K GATES 68-QFN
標(biāo)準(zhǔn)包裝: 260
系列: ProASIC3 nano
輸入/輸出數(shù): 49
門(mén)數(shù): 15000
電源電壓: 1.425 V ~ 1.575 V
安裝類(lèi)型: 表面貼裝
工作溫度: -40°C ~ 85°C
封裝/外殼: 68-VFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 68-QFN(8x8)
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ProASIC3 nano DC and Switching Characteristics
2-54
Revision 11
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 capabilities, refer
minimum and maximum global clock delays within each device. Minimum and maximum delays are
measured with minimum and maximum loading.
Timing Characteristics
Table 2-67 A3PN010 Global Resource
Commercial-Case Conditions: TJ = 70°C, VCC = 1.425 V
Parameter Description
–2
–1
Std.
Units
Min. 1 Max. 2 Min. 1 Max. 2 Min. 1 Max. 2
tRCKL
Input LOW Delay for Global Clock
0.60
0.79
0.69
0.90
0.81
1.06
ns
tRCKH
Input HIGH Delay for Global Clock
0.62
0.84
0.70
0.96
0.82
1.12
ns
tRCKMPWH Minimum Pulse Width HIGH for Global Clock
0.75
0.85
1.00
ns
tRCKMPWL Minimum Pulse Width LOW for Global Clock
0.85
0.96
1.13
ns
tRCKSW
Maximum Skew for Global Clock
0.22
0.26
0.30
ns
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 2-5 for derating values.
Table 2-68 A3PN015 Global Resource
Commercial-Case Conditions: TJ = 70°C, VCC = 1.425 V
Parameter Description
–2
–1
Std.
Units
Min. 1 Max. 2 Min. 1 Max. 2 Min. 1 Max. 2
tRCKL
Input LOW Delay for Global Clock
0.66
0.91
0.75
1.04
0.89
1.22
ns
tRCKH
Input HIGH Delay for Global Clock
0.67
0.96
0.77
1.10
0.90
1.29
ns
tRCKMPWH Minimum Pulse Width HIGH for Global Clock
0.75
0.85
1.00
ns
tRCKMPWL
Minimum Pulse Width LOW for Global Clock
0.85
0.96
1.13
ns
tRCKSW
Maximum Skew for Global Clock
0.29
0.33
0.39
ns
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 2-5 for derating values.
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