參數(shù)資料
型號(hào): VSC880
廠商: VITESSE SEMICONDUCTOR CORP
元件分類: 路由/交換
英文描述: High Performance 16x16 Serial Crosspoint Switch
中文描述: TELECOM, DIGITAL TIME SWITCH, PBGA304
封裝: BGA-304
文件頁(yè)數(shù): 21/28頁(yè)
文件大?。?/td> 390K
代理商: VSC880
VITESSE
Data Sheet
VSC880
High Performance 16x16
Serial Crosspoint Switch
G52191-0, Rev 4.2
01/05/01
Page 21
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano
Camarillo, CA 93012
Tel: (800) VITESSE
FAX: (805) 987-5896
Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Table 3: Receive Data Output Timing Table
Figure 11:
CPU Interface Write Cycle Timing
Figure 12:
CPU Interface Read Cycle Timing
Table 4: CPU Interface Timing Table
Parameter
Description
Min
Typ
Max
Units
T
INT
T
RESET
Interrupt pulse width
RESET, RESYNEN pulse width
15
64
ns
ns
Parameter
Description
Min
Typ
Max
Units
T
OK
T
D
T
SU
T
H
T
WV
T
WS
T
WC
T
RV
T
RZ
T
RD
CSEL falling edge to valid address
CSEL inactive between read cycles
CWEN valid to CSEL falling edge
CSEL active to CWEN change
Valid data and address during a write
CSEL low time during a write
CSEL cycle time during a write
CSEL active to valid data
CSEL deactivate to high impedance data
CSEL active to low impedance data
5
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
10
5
5
45
20
55
15
45
5
0
ADDR[5:0]
CWEN
CDATA[7:0]
CSEL
Valid Data
Valid Address
T
OK
T
WV
T
WC
T
H
T
WS
T
SU
ADDR[5:0]
CWEN
CDATA[7:0]
CSEL
Valid Data
Valid Address
Hi-Z
T
SU
T
D
T
H
T
A
T
RZ
T
RD
T
RV
Hi-Z
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