参数资料
型号: ICS841S02BGILF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO20
封装: 6.50 X 4.40 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSOP-20
文件页数: 4/17页
文件大小: 542K
代理商: ICS841S02BGILF
IDT / ICS PCI EXPRESS CLOCK GENERATOR
12
ICS841S02BGI REV. C NOVEMBER 1, 2007
ICS841S02I
PCI EXPRESS CLOCK GENERATOR
PRELIMINARY
INPUTS:
LVCMOS CONTROL PINS
All control pins have internal pull-ups or pull-downs; additional
resistance is not required but can be added for additional
protection. A 1k
Ω resistor can be used.
RECOMMENDATIONS FOR UNUSED INPUT AND OUTPUT PINS
OUTPUTS:
HCSL OUTPUTs
All unused HCSL outputs can be left floating. We recommend
that there is no trace attached. Both sides of the differential output
pair should either be left floating or terminated.
OUTPUT DRIVER CURRENT
The ICS841S02I outputs are HCSL current drive with the cur-
rent being set with a resistor from I
REF to ground. For a 50Ω pc
board trace, the drive current would typically be set with a R
REF
of 475
Ω which products an I
REF of 2.32mA. The IREF is multiplied
by a current mirror to an output drive of 6*2.32mA or 13.92mA.
See Figure 3 for current mirror and output drive details.
FIGURE 3. HCSL CURRENT MIRROR AND OUTPUT DRIVE
IREF
RREF
RL
相关PDF资料
PDF描述
ICS841S04BGI 100 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO24
ICS8421002AGI-01 170 MHz, OTHER CLOCK GENERATOR, PDSO20
ICS8421002AGIT 226.66 MHz, OTHER CLOCK GENERATOR, PDSO20
ICS8421004AGI-01T 170 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS8421004AGI-01 170 MHz, OTHER CLOCK GENERATOR, PDSO24
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