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参数资料
| 型号： | MAX3679AETJ+ |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 312.5 MHz, OTHER CLOCK GENERATOR, QCC32 |
| 封装： | 5 X 5 MM, ROHS COMPLIANT, TQFN-32 |
| 文件页数： | 2/11页 |
| 文件大小： | 391K |
| 代理商： | MAX3679AETJ+ |
MAX3679A
+3.3V, Low-Jitter Crystal to LVPECL
Clock Generator
10
______________________________________________________________________________________
MAX3679A
THIN QFN
(5mm
× 5mm)
TOP VIEW
5
6
4
3
20
19
21
V
DDO_A
QA
BYPASS
RES1
22
QA_C
QB0
QB1
IN_SEL
QB0
REF_IN
X_IN
910
SELB1
12
13
14
15
31
32
30
28
27
26
SELB0
QAC_OE
SELA1
SELA0
QA_OE
GND
V
CCO_A
QB1
11
29
7
18
MR
VCC
8
17
GNDO_A
VCCA
QB0_OE
2
23
QB1_OE
GND
1
24
GND
RES0
X_OUT
16
25
VCCO_B
+
*EP
*EXPOSED PAD CONNECTED TO GROUND.
Pin Configuration
Layout Considerations
The inputs and outputs are critical paths for the
MAX3679A, and care should be taken to minimize dis-
continuities on these transmission line. Here are some
suggestions for maximizing the MAX3679A’s perfor-
mance:
An uninterrupted ground plane should be posi-
tioned beneath the clock I/Os.
Ground pin vias should be placed close to the IC
and the input/output interfaces to allow a return
current path to the MAX3679A and the receive
devices.
Supply decoupling capacitors should be placed
close to the MAX3679A supply pins.
Maintain 100
Ω differential (or 50Ω single-ended)
transmission line impedance out of the MAX3679A.
Use good high-frequency layout techniques and a
multilayer board with an uninterrupted ground
plane to minimize EMI and crosstalk.
Refer to the MAX3679A Evaluation Kit for more information.
Exposed-Pad Package
The exposed pad on the 32-pin TQFN package pro-
vides a very low inductance path for return current trav-
eling to the PCB ground plane. The pad is also
electrical ground on the MAX3679A and must be sol-
dered to the circuit board ground for proper electrical
performance.
Chip Information
TRANSISTOR COUNT: 10,780
PROCESS: BiCMOS
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX3679AETJ+ | 功能描述:时钟发生器及支持产品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX3679AETJ+T | 功能描述:时钟发生器及支持产品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX3679AEVKIT+ | 功能描述:时钟和定时器开发工具 Not Available From Mouser RoHS:否 制造商:Texas Instruments 产品:Evaluation Modules 类型:Clock Conditioners 工具用于评估:LMK04100B 频率:122.8 MHz 工作电源电压:3.3 V |
| MAX3679CTJ+ | 功能描述:时钟发生器及支持产品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
| MAX3679CTJ+T | 功能描述:时钟发生器及支持产品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 类型:Clock Generators 最大输入频率:14.318 MHz 最大输出频率:166 MHz 输出端数量:16 占空比 - 最大:55 % 工作电源电压:3.3 V 工作电源电流:1 mA 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:QFN-56 |
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