SC220C6P 데이터 시트보기 (PDF) - Zarlink Semiconductor Inc
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SC220C6P Datasheet PDF : 34 Pages
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PRELIMINARY
XpressFlow-2020 Series –
Ethernet Switch Chipset
INFORMATION
SC220
XpressFlow Engine
Symbol
Parameter
S1 S_D[31:0] output valid delay
S2 S_MSGEN# output valid delay
S3 S_EOF# output valid delay
S4 S_IRDY output valid delay
S6 S_TABT# output valid delay
S7 S_HPREQ# output valid delay
S8 S_GNT[7:0]# output valid delay
S9 S_OVLD# output valid delay
S12 S_D[31:0] output float delay
S13 S_MSGEN# output float delay
S14 S_EOF# output float delay
S15 S_IRDY output float delay
S17 S_D[31:0] input set-up time
S18 S_D[31:0] input hold time
S19 S_MSGEN# input set-up time
S20 S_MSGEN# input hold time
S21 S_EOF# input set-up time
S22 S_EOF# input hold time
S23 S_IRDY input set-up time
S24 S_IRDY input hold time
S27 S_TABT# input set-up time
S28 S_TABT# input hold time
S29 S_HPREQ# input set-up time
S30 S_HPREQ# input hold time
S31 S_REQ[7:0]# input set-up time
S32 S_REQ[7:0]# input hold time
-40
Min (ns) Max
(ns)
6
14
6
14
6
14
6
14
6
14
6
14
6
14
6
14
18
18
18
18
2
5.5
2
5.5
2
5.5
2
5.5
5.5
5.5
4.5
5.5
6
5.5
-50
Min (ns) Max
(ns)
5
11
5
11
5
11
5
11
5
11
5
11
5
11
5
11
15
15
15
15
1.5
4.5
1.5
4.5
1.5
4.5
1.5
4.5
4.5
4.5
3.5
4.5
5
4.5
-66
Min (ns) Max
(ns)
4
8.5
4
8.5
4
8.5
4
8.5
4
8.5
4
8.5
4
8.5
4
8.5
12
12
12
12
1
3.5
1
3.5
1
3.5
1
3.5
3.5
3.5
2.5
3.5
4
3.5
Note:
CL = 50pf
CL = 50pf
CL = 50pf
CL = 50pf
CL = 50pf
CL = 50pf
CL = 20pf
CL = 50pf
AC Characteristics -- XpressFlow Bus Interface
© 1998 Vertex Networks, Inc.
25
1999
Rev. 4.5 – February
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