參數(shù)資料
型號(hào): SY89534LHZTR
廠商: MICREL INC
元件分類(lèi): 時(shí)鐘及定時(shí)
英文描述: 89534 SERIES, PLL BASED CLOCK DRIVER, 13 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP64
封裝: LEAD FREE, TQFP-64
文件頁(yè)數(shù): 6/15頁(yè)
文件大?。?/td> 106K
代理商: SY89534LHZTR
14
Precision Edge
SY89534/35L
Micrel, Inc.
M9999-110308
hbwhelp@micrel.com or (408) 955-1690
R2
82
R2
82
ZO = 50
+3.3V
Vt = VCC –2V
R1
130
R1
130
+3.3V
“Source”“Destination”
Figure 5. PECL Parallel Termination–Thevenin Equivalent
ZO = 50
50
50
50
+3.3V
“Source”“Destination”
Rb
C1 (optional)
0.01
F
Figure 6. PECL Three-Resistor “Y–Termination”
ZO = 50
100
±1%
+3.3V
“Source”“Destination”
Figure 7. LVDS Differential Termination
NOTES:
1. PECL Y-termination is a power-saving alternative to Thevenin termination.
2. Place termination resistors as close to destination inputs as possible.
3. Rb resistor sets the DC bias voltage, equal to Vt. For +3.3V systems Rb = 46 to 50.
OUTPUT TERMINATION RECOMMENDATIONS
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