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參數(shù)資料
| 型號(hào)： | E142AHF |
| 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)： | 18/19頁 |
| 文件大?。?/td> | 179K |
| 代理商： | E142AHF |
18
2000 Semtech Corp.
www.semtech.com
EDGE HIGH-PERFORMANCE PRODUCTS
AC Characteristics
Edge142
Parameter
Symbol
Min
Typ
Max
Units
Propagation Delays
Minimum Delay (Pulse Width >= 1.0 ns)
VDELAY = +0.1V, VFALL = +0.1V
TPDmin
1.75
2.05
2.45
ns
Delay Range vs. Pulse Width
Input Pulse Width >= 1.0 ns
(+0.1V < VDELAY < -1.2V)
Tspan
1.1
1.4
ns
VFALL Range of Adjustment
Input Pulse Width >= 1.0 ns
(+0.1V < VFALL < -1.2V)
Tfall
170
300
ps
Propagation Delay Tempco (Note 1)
-1.1V <= VDELAY, VFALL <= +0.1V
<2
ps /
o
C
Output Rise/Fall Times (20% to 80%) (Note 1)
Tr, Tf
300
420
500
ps
Test conditions (unless otherwise specified):
“
Recommended Operating Conditions
”
with TA = 25
°
C with 400
LFPM of airflow, and all outputs terminated with 50
to
–
2.0 V. Timing reference points at the differential
crossing points for input and output signals, REXT1 = 2.94 K
, and REXT2 = 2.94 K
. All input signals are
fully differential. Values are based on nominal temperature and a supply voltage of
–
5.2 V.
Note 1:
Based upon characterization data. Not production tested. For more complete data, refer to the
application information section of the data sheet.
The specified limits shown can be met only after thermal equilibrium has been established. Thermal equilibrium
is established by applying power for at least 2 minutes while maintaining a transverse air flow of 400 linear
feet per minute over the device mounted either in the test socket or on the printed circuit board.
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