参数资料
型号: ICS84320AYI-01LF
厂商: IDT, Integrated Device Technology Inc
文件页数: 4/20页
文件大小: 0K
描述: IC FREQ SYNTHESIZER 32TQFP
标准包装: 250
系列: HiPerClockS™
类型: 频率合成器
PLL: 带旁路
输入: 晶体
输出: LVPECL
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 无/是
频率 - 最大: 780MHz
除法器/乘法器: 是/无
电源电压: 3.135 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-LQFP
供应商设备封装: 32-TQFP(7x7)
包装: 托盘
84320AYI-01
www.idt.com
REV. B AUGUST 4, 2010
12
ICS84320I-01
780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL
LVPECL FREQUENCY SYNTHESIZER
The schematic of the ICS84320I-01 layout example used in
this layout guideline is shown in Figure 5A. The ICS84320I-01
recommended PCB board layout for this example is shown in
Figure 5B. This layout example is used as a general guideline.
LAYOUT GUIDELINE
FIGURE 5A. SCHEMATIC OF RECOMMENDED LAYOUT
The layout in the actual system will depend on the selected
component types, the density of the components, the density
of the traces, and the stack up of the P.C. board.
X1
S_LOAD
R3
125
R2
84
C16
10u
R1
125
VCC=3.3V
FO
U
T
VCC
S_CLOCK
R4
84
TL1
+
-
VCCA
VCC
S_DATA
VC
C
VC
C
C14
0.1u
Zo = 50 Ohm
nTL1
C1
C11
0.01u
Zo = 50 Ohm
C2
XTAL_SEL
C15
0.1u
FO
UTN
U1
ICS84320i-01
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
32
31
30
29
28
27
26
25
M5
M6
M7
M8
N0
N1
nc
VEE
T
EST
VC
C
FO
U
T
1
nF
O
U
T
1
VC
C
O
FO
U
T
0
nF
O
U
T
0
VEE
MR
S_CLOCK
S_DATA
S_LOAD
VCCA
XTAL_SEL
T_CLK
X_OUT
M4
M3
M2
M1
M0
VC
O
_
SE
L
nP
_L
O
A
D
X_I
N
REF_IN
R7
10
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