参数资料
型号: ICS87946AYI-01T
元件分类: 时钟及定时
英文描述: LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
封装: 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-32
文件页数: 11/12页
文件大小: 255K
代理商: ICS87946AYI-01T
87946AYI-01
www.icst.com/products/hiperclocks.html
REV. A NOVEMBER 21, 2003
8
Integrated
Circuit
Systems, Inc.
ICS87946I-01
LOW SKEW,
÷1, ÷2
LVPECL-TO-LVCMOS/LVTTL CLOCK GENERATOR
APPLICATION INFORMATION
FIGURE 1. SINGLE ENDED SIGNAL DRIVING DIFFERENTIAL INPUT
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
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.
VDD
R2
1K
V_REF
C1
0.1u
R1
1K
Single Ended Clock Input
PCLK
nPCLK
相关PDF资料
PDF描述
ICS87949AY-01LF LOW SKEW CLOCK DRIVER, 15 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
ICS87949AY-01 LOW SKEW CLOCK DRIVER, 15 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
ICS87949AY-01LFT LOW SKEW CLOCK DRIVER, 15 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
ICS87949AY-01T LOW SKEW CLOCK DRIVER, 15 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
ICS87949AY-01 LOW SKEW CLOCK DRIVER, 15 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
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