参数资料
型号: ICS8516FYLF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟及定时
英文描述: 8516 SERIES, LOW SKEW CLOCK DRIVER, 16 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
封装: 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BBC, LQFP-48
文件页数: 16/16页
文件大小: 376K
代理商: ICS8516FYLF
8516FY
www.icst.com/products/hiperclocks.html
REV. B FEBRUARY 21, 2006
9
Integrated
Circuit
Systems, Inc.
ICS8516
LOW SKEW, 1-TO-16
DIFFERENTIAL-TO-LVDS CLOCK DISTRIBUTION CHIP
APPLICATION INFORMATION
Figure 1 shows how the differential input can be wired to accept
single ended levels. The reference voltage V_REF = V
DD/2 is
generated by the bias resistors R1, R2 and C1. This bias circuit
should be located as close as possible to the input pin. The ratio
FIGURE 1. SINGLE ENDED SIGNAL DRIVING DIFFERENTIAL INPUT
WIRING THE DIFFERENTIAL INPUT TO ACCEPT SINGLE ENDED LEVELS
of R1 and R2 might need to be adjusted to position the V_REF in
the center of the input voltage swing. For example, if the input
clock swing is only 2.5V and V
DD= 3.3V, V_REF should be 1.25V
and R2/R1 = 0.609.
V_REF
R1
1K
C1
0.1u
R2
1K
Single Ended Clock Input
CLKx
nCLKx
VDD
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:
LVDS – Like OUTPUT
All unused LVDS output pairs can be either left floating or
terminated with 100
Ω across. If they are left floating, we
recommend that there is no trace attached.
ICS8516
LOW SKEW, 1-TO-16 DIFFERENTIAL-TO-LVDS CLOCK DISTRIBUTION CHIP
TSD
IDT / ICS LOW SKEW, 1-TO-16 DIFFERENTIAL-TO-LVDS CLOCK DISTRIBUTION CHIP
ICS8516
9
相关PDF资料
PDF描述
ICS8516FYT 8516 SERIES, LOW SKEW CLOCK DRIVER, 16 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
ICS8520DYT 8520 SERIES, LOW SKEW CLOCK DRIVER, 16 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
ICS8520DYLF 8520 SERIES, LOW SKEW CLOCK DRIVER, 16 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
ICS8520DY 8520 SERIES, LOW SKEW CLOCK DRIVER, 16 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
ICS85210AY-21 LOW SKEW CLOCK DRIVER, 5 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
相关代理商/技术参数
参数描述
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