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參數(shù)資料
| 型號： | EVM142AHF |
| 廠商： | Semtech Corporation |
| 英文描述： | Per Pin timing Deskew w 4x2 Cross Point Switch |
| 中文描述： | 每個(gè)引腳的時(shí)間糾偏瓦特4x2交叉點(diǎn)開關(guān) |
| 文件頁數(shù)： | 12/19頁 |
| 文件大?。?/td> | 179K |
| 代理商： | EVM142AHF |
12
2000 Semtech Corp.
www.semtech.com
EDGE HIGH-PERFORMANCE PRODUCTS
Application Information
(continued)
Edge142
EL11 Clock Spreader Tpd vs. Frequency
Frequency [MHz]
E
-20
-10
0
10
20
30
0.5
10
20
50
75
100 125
150 200
250
300
Tpd+ Error
Tpd- Error
Edge142 TPD+ Error vs. Frequency
VFALL & VMID=-0.6V
VEE=-5.2V
Frequency [MHz]
E
-20
-10
0
10
20
30
0.5
10
20
50
75
100
125
150
200 250
300
VD=+0.1V
VD=-0.1V
VD=-0.3V
VD=-0.5V
VD=-0.7V
VD=-0.9V
VD=-1.1V
VD=-1.3V
Edge142 TPD- Error vs. Frequency
VFALL & VMID=-0.6V
VEE=-5.2V
Frequency [MHz]
E
-20
-10
0
10
20
30
0.5
10
20
50
75
100
125
150
200 250
300
VD=+0.1V
VD=-0.1V
VD=-0.3V
VD=-0.5V
VD=-0.7V
VD=-0.9V
VD=-1.1V
VD=-1.3V
Prop Delay vs. Frequency
The 142 shows very little change in propagation delay
vs. frequency. The following three charts show the
variation in the prop delay of a rising edge and a falling
edge as the frequency is varied over a wide range.
The first chart shows the Motorola 10EL11 clock
spreader timing error for both the rising and falling edge
with the input frequency varied from .5 MHz to 300 MHz.
This information is used as a reference to compare the
142 against.
The second and third charts show the 142 under identical
conditions. The data is broken out into one chart for the
rising edge and a separate chart for the falling edge. In
addition, the timing error is listed over the entire delay
range of the 142.
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