參數(shù)資料
型號(hào): VSC870TX
廠商: VITESSE SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: High Performance Serial Backplane Transceiver
中文描述: DUAL LINE TRANSCEIVER, PBGA192
封裝: BGA-192
文件頁(yè)數(shù): 34/40頁(yè)
文件大?。?/td> 511K
代理商: VSC870TX
VITESSE
Data Sheet
VSC870
High Performance Serial
Backplane Transceiver
Page 34
G52190-0, Rev 4.1
01/05/01
VITESSE
SEMICONDUCTOR CORPORATION
741 Calle Plano
Camarillo, CA 93012
Tel: (800) VITESSE
FAX: (805) 987-5896
Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Figure 18: Receive Data Output Timing Diagram
Table 3: Receive Data Output Timing Table
Table 4: Misc. Timing Parameters
Parameter
Description
Min
Typ
Max
Units
T
DEL1
WCLK to RXOUT[31:0], RXTYP[1:0], RXWA, ACK/
RCLK, RXOK, TXOK, OOS delay
WCLK to RFM, REN, RTM/TCLK delay
WSIN to RXOUT[31:0], RXTYP[1:0], RXOK, TXOK,
OOS delay
WSIN to RFM, REN, RTM delay
WSIN to RXWA, ACK/RCLK
Output data skew with respect to WCLK
WCLK to TCLK delay
WCLK to WCLK skew using parallel transceivers
0.0
4.5
ns
T
DEL1
0.7
7.0
ns
T
DEL2
2.0
9.0
ns
T
DEL2
T
DEL2
T
SKEW
T
DEL
T
SKEW
2.5
1.5
11.5
7.5
1.5
5.5
3.0
ns
ns
ns
ns
ns
0.5
Parameter
Description
Min
Typ
Max
Units
T
LT
T
WS
CMU and CRU lock time
Word synchronization time
100
30
us
us
T
CS
Cell synchronization time per transceiver
(# words
in cell)
2
8
12
6
8
WCLKs
T
PM
T
CM
T
DM
T
CRQ
T
REFCLK
F
REFCLK
J
REFCLK
Data latency in packet mode with zero serial trace delay
Data latency in cell mode with zero serial trace delay
Data latency in direct mode with zero serial trace delay
CRQ to REN delay time with zero serial trace delay
Reference (word) clock period
Reference clock frequency stability
Reference clock input jitter
WCLKs
WCLKs
WCLKs
WCLKs
ns
ppm
ps RMS
16
50
7
T
SKEW
T
DEL1
WCLK
RXOUT[31:0], RXTYP[1:0],
RXWA, RXOK, TXOK, ACK/RCLK
RFM, REN,RTM/TCLK
WSIN
T
DEL2
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