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參數資料
| 型號： | MAX3679CTJ+ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 時鐘產生/分配 |
| 英文描述： | 625 MHz, OTHER CLOCK GENERATOR, QCC32 |
| 封裝： | 5 X 5 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, MO-220WHHD-2, TQFN-32 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 390K |
| 代理商： | MAX3679CTJ+ |
General Description
The MAX3679 is a low-jitter precision clock generator
with the integration of three LVPECL and one LVCMOS
outputs optimized for Ethernet applications. The device
integrates a crystal oscillator and a phase-locked loop
(PLL) clock multiplier to generate high-frequency clock
outputs for Ethernet applications.
Maxim’s proprietary PLL design features ultra-low jitter
(0.36psRMS) and excellent power-supply noise rejection,
minimizing design risk for network equipment.
Applications
Ethernet Networking Equipment
Features
Crystal Oscillator Interface: 25MHz
CMOS Input: 25MHz
Output Frequencies for Ethernet
62.5MHz, 125MHz, 156.25MHz, 312.5MHz
Low Jitter
0.14psRMS (1.875MHz to 20MHz)
0.36psRMS (12kHz to 20MHz)
Excellent Power-Supply Noise Rejection
No External Loop Filter Capacitor Required
MAX3679
+3.3V, Low-Jitter Crystal to LVPECL
Clock Generator
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
Typical Application Circuit
19-4374; Rev 0; 11/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
+
Denotes a lead-free/RoHS-compliant package.
*
EP = Exposed pad.
EVALUATION
KIT
AVAILABLE
Pin Configuration appears at end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
MAX3679CTJ+
0
°C to +70°C
32 TQFN-EP*
MAX3679
VCCA
MR
REF_IN
IN_SEL
QA_OE
QAC_OE
QB0_OE
QB1_OE
BYPASS
SELA1
SELA0
SELB0
RES1
SELB1
RES0
QA_C
X_OUT
X_IN
GNDO_A
GND
VCC
VCCO_A
VCCO_B
VDDO_A
10.5
Ω
0.1
μF
VCC
36
Ω
Z0 = 50
Ω
ASIC
125MHz
QA
50
Ω
Z0 = 50
Ω
QA
Z0 = 50
Ω
ASIC
50
Ω
125MHz
(VCC - 2V)
QB0
50
Ω
Z0 = 50
Ω
QB0
Z0 = 50
Ω
ASIC
50
Ω
312.5MHz
(VCC - 2V)
QB1
50
Ω
Z0 = 50
Ω
QB1
Z0 = 50
Ω
ASIC
50
Ω
312.5MHz
(VCC - 2V)
10
μF
25MHz
(CL = 18pF)
33pF
27pF
0.01
μF
0.1
μF
0.1
μF
0.1
μF
0.1
μF
+3.3V
±5%
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX3679CTJ+ | 功能描述:時鐘發生器及支持產品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX3679CTJ+T | 功能描述:時鐘發生器及支持產品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| MAX367C/D | 功能描述:TVS二極管陣列 Signal-Line Circuit Protector RoHS:否 制造商:Littelfuse 極性: 通道:4 Channels 擊穿電壓: 鉗位電壓:11.5 V 工作電壓:2.5 V 峰值浪涌電流:20 A 安裝風格:SMD/SMT 端接類型:SMD/SMT 系列: 最小工作溫度:- 40 C 最大工作溫度:+ 85 C |
| MAX367C/D+ | 功能描述:TVS二極管陣列 RoHS:否 制造商:Littelfuse 極性: 通道:4 Channels 擊穿電壓: 鉗位電壓:11.5 V 工作電壓:2.5 V 峰值浪涌電流:20 A 安裝風格:SMD/SMT 端接類型:SMD/SMT 系列: 最小工作溫度:- 40 C 最大工作溫度:+ 85 C |
| MAX367CPN | 功能描述:TVS二極管陣列 RoHS:否 制造商:Littelfuse 極性: 通道:4 Channels 擊穿電壓: 鉗位電壓:11.5 V 工作電壓:2.5 V 峰值浪涌電流:20 A 安裝風格:SMD/SMT 端接類型:SMD/SMT 系列: 最小工作溫度:- 40 C 最大工作溫度:+ 85 C |
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