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参数资料
| 型号： | SY898530UTZTX |
| 厂商： | MICREL INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | 898530 SERIES, LOW SKEW CLOCK DRIVER, 16 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48 |
| 封装： | LEAD FREE, TQFP-48 |
| 文件页数： | 11/11页 |
| 文件大小： | 430K |
| 代理商： | SY898530UTZTX |
Micrel, Inc.
SY898530U
January 2011
9
M9999-013111-C
hbwhelp@micrel.com
Output Interface Applications
Figure 1. Parallel Termination-Thevenin Equivalent
Notes:
1. For +2.5V systems: R1 = 250, R2 = 82.5.
2. For +5.0V systems: R1 = 82, R2 = 130.
Figure 2. Three-Resistor “Y-Termination”
Notes:
1. Power-saving alternatives 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. For +5V systems, Rb = 110.
Figure 3. Terminating Unused I/O
Notes:
1. Unused output (/Q) must be terminated to balance the output.
2. For 2.5V systems: R1 = 250, R2 = 62.5, R3 = 1.25k, R4 = 1.2k.
or (408) 955-1690
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