参数资料
型号: ICS83905AMLF
厂商: INTEGRATED DEVICE TECHNOLOGY INC
元件分类: 时钟产生/分配
英文描述: 100 MHz, OTHER CLOCK GENERATOR, PDSO16
封装: 3.90 X 9.90 MM, 1.38 MM HEIGHT, ROHS COMPLIANT, MS-012, SOIC-16
文件页数: 5/19页
文件大小: 457K
代理商: ICS83905AMLF
IDT / ICS LVCMOS/LVTTL FANOUT BUFFER
13
ICS83905AM REV. B JANUARY 24, 2008
ICS83905
LOW SKEW, 1:6 CRYSTAL-TO-LVCMOS/LVTTL FANOUT BUFFER
LAYOUT GUIDELINE
Figure 5 shows an example of ICS83905 application schematic.
In this example, the device is operated at V
DD = 3.3V and VDDO =
3.3V. The decoupling capacitors should be located as close as
possible to the power pins. The input is driven by an 18pF load
resonant quartz crystal. The tuning capacitors (C1, C2) are fairly
VDD
R2
31
C6
.1uF
VDDO
ENABLE 2
R4
100
Zo = 50 Ohm
VDD = 3.3V
C2
15pf
VDD
C1
15pF
LVCMOS
ENABLE 1
CL = 18 pf
Optional Termination
R3
100
C4
.1uF
LVCMOS
Zo = 50 Ohm
VDDO
U1
ICS83905
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
XTAL_OUT
ENABLE 2
GND
BCLK0
VDDO
BCLK1
GND
BCLK2
VDD
BCLK3
GND
BCLK4
VDDO
BCLK5
ENABLE 1
XTAL_IN
C3
10uF
VDDO = 3.3V
Unused outputs can be left floating. There should be
no trace attached to unused outputs. Device
characterized and specification limits set with all
outputs terminated.
C5
.1uF
accurate, but minor adjustments might be required. For the
LVCMOS output drivers, two termination examples are shown in
the schematic. For additional termination, examples are shown
in the LVCMOS Termination Application Note.
FIGURE 5. SCHEMATIC OF RECOMMENDED LAYOUT
相关PDF资料
PDF描述
ICS83908AGI-02LFT 200 MHz, OTHER CLOCK GENERATOR, PDSO24
ICS83940AY-01LFT LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS83940AY-01T LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS83940AY-01LF LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS83940AY-01 LOW SKEW CLOCK DRIVER, 18 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
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