參數(shù)資料
型號: XC95108SERIES
廠商: Xilinx, Inc.
英文描述: In-System Programmable CPLD
中文描述: 在系統(tǒng)可編程的CPLD
文件頁數(shù): 5/8頁
文件大小: 70K
代理商: XC95108SERIES
December 4, 1998 (Version 3.0)
5
XC95108 In-System Programmable CPLD
Internal Timing Parameters
Note: 3. tPTA is multiplied by the span of the function as defined in the family data sheet.
Symbol
Parameter
XC95108-7
XC95108-10
XC95108-15
XC95108-20
Units
Min
Max
Min
Max
Min
Max
Min
Max
Buffer Delays
tIN
Input buffer delay
2.5
3.5
4.5
6.5
ns
tGCK
GCK buffer delay
1.5
2.5
3.0
ns
tGSR
GSR buffer delay
4.5
6.0
7.5
9.5
ns
tGTS
GTS buffer delay
5.5
6.0
11.0
16.0
ns
tOUT
Output buffer delay
2.5
3.0
4.5
6.5
ns
tEN
Output buffer enable/disable delay
0.0
ns
Product Term Control Delays
tPTCK
Product term clock delay
3.0
2.5
ns
tPTSR
Product term set/reset delay
2.0
2.5
3.0
ns
tPTTS
Product term 3-state delay
4.5
3.5
5.0
ns
Internal Register and Combinatorial delays
tPDI
Combinatorial logic propagation delay
0.5
1.0
3.0
4.0
ns
tSUI
Register setup time
1.5
2.5
3.5
ns
tHI
Register hold time
3.0
3.5
4.5
6.5
ns
tCOI
Register clock to output valid time
0.5
ns
tAOI
Register async. S/R to output delay
6.5
7.0
8.0
ns
tRAI
Register async. S/R recovery before clock
7.5
10.0
ns
tLOGI
Internal logic delay
2.0
2.5
3.0
ns
tLOGILP
Internal low power logic delay
10.0
11.0
11.5
ns
Feedback Delays
tF
FastCONNECT matrix feedback delay
8.0
9.5
11.0
13.0
ns
tLF
Function Block local feeback delay
4.0
3.5
5.0
ns
Time Adders
tPTA
3
Incremental Product Term Allocator delay
1.0
1.5
ns
tSLEW
Slew-rate limited delay
4.0
4.5
5.0
5.5
ns
R1
VTEST
CL
R2
Device Output
Output Type
VTEST
5.0 V
3.3 V
R1
160
260
R2
120
360
CL
35 pF
X5906
VCCIO
5.0 V
3.3 V
Figure 3: AC Load Circuit
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