參數(shù)資料
型號: 1893YI-10
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 網(wǎng)絡(luò)接口
英文描述: DATACOM, INTERFACE CIRCUIT, PQFP64
封裝: 10 X 10 MM, TQFP-64
文件頁數(shù): 33/152頁
文件大?。?/td> 943K
代理商: 1893YI-10
ICS1893 Rev C 6/6/00
June, 2000
128
Chapter 10
DC and AC Operating Conditions
ICS1893 Data Sheet - Release
Copyright 2000, Integrated Circuit Systems, Inc.
All rights reserved.
10.5.2
Timing for Transmit Clock (TXCLK) Pins
Table 10-9 lists the significant time periods for signals on the Transmit Clock (TXCLK) pins for the various
interfaces. Figure 10-3 shows the timing diagram for the time periods.
Figure 10-3.
Transmit Clock Timing Diagram
Table 10-9.
Transmit Clock Timing
Time
Period
Parameter
Conditions
Min.
Typ.
Max. Units
t1
TXCLK Duty Cycle
35
50
65
%
t2a
TXCLK Period
100M MII (100Base-TX)
40
ns
t2b
TXCLK Period
10M MII (10Base-T)
400
ns
t2c
TXCLK Period
100M Symbol Interface (100Base-TX)
40
ns
t2d
TXCLK Period
10M Serial Interface (10Base-T)
100
ns
t1
t2x
TXCLK
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