參數(shù)資料
型號: XC5200SERIES
廠商: Xilinx, Inc.
英文描述: Field Programmable Gate Arrays
中文描述: 現(xiàn)場可編程門陣列
文件頁數(shù): 41/73頁
文件大?。?/td> 598K
代理商: XC5200SERIES
R
XC5200 Series Field Programmable Gate Arrays
7-128
November 5, 1998 (Version 5.2)
XC5200 Global Buffer Switching Characteristic Guidelines
Testing of the switching parameters is modeled after testing methods specified by MIL-M-38510/605. All devices are 100%
functionally tested. Since many internal timing parameters cannot be measured directly, they are derived from benchmark
timing patterns. The following guidelines reflect worst-case values over the recommended operating conditions. For more
detailed, more precise, and more up-to-date timing information, use the values provided by the timing calculator and used
in the simulator.
XC5200 Longline Switching Characteristic Guidelines
Testing of the switching parameters is modeled after testing methods specified by MIL-M-38510/605. All devices are 100%
functionally tested. Since many internal timing parameters cannot be measured directly, they are derived from benchmark
timing patterns. The following guidelines reflect worst-case values over the recommended operating conditions. For more
detailed, more precise, and more up-to-date timing information, use the values provided by the timing calculator and used
in the simulator.
Speed Grade
-6-5-4-3
Description
Symbol
Device
Max
(ns)
Max
(ns)
Max
(ns)
Max
(ns)
Global Signal Distribution
From pad through global buffer, to any clock (CK)
T
BUFG
XC5202
9.1
8.5
8.0
6.9
XC5204
9.3
8.7
8.2
7.6
XC5206
9.4
8.8
8.3
7.7
XC5210
9.4
8.8
8.5
7.7
XC5215
10.5
9.9
9.8
9.6
Speed Grade
-6
-5
-4
-3
Description
Symbol
Device
Max
(ns)
Max
(ns)
Max
(ns)
Max
(ns)
TBUF driving a Longline
I to Longline, while TS is Low; i.e., buffer is constantly ac-
tive
T
IO
XC5202
6.0
3.8
3.0
2.0
XC5204
6.4
4.1
3.2
2.3
XC5206
6.6
4.2
3.3
2.7
XC5210
6.6
4.2
3.3
2.9
XC5215
7.3
4.6
3.8
3.2
TS going Low to Longline going from floating High or Low
to active Low or High
T
ON
XC5202
7.8
5.6
4.7
4.0
XC5204
8.3
5.9
4.9
4.3
XC5206
8.4
6.0
5.0
4.4
XC5210
8.4
6.0
5.0
4.4
XC5215
8.9
6.3
5.3
4.5
TS going High to TBUF going inactive, not driving
Longline
T
OFF
XC52xx
3.0
2.8
2.6
2.4
Note: 1. Die-size-dependent parameters are based upon XC5215 characterization. Production specifications will vary with array
size.
TS
IO
TBUF
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