參數(shù)資料
型號(hào): MAX3679AETJ+T
廠商: Maxim Integrated Products
文件頁(yè)數(shù): 1/11頁(yè)
文件大小: 0K
描述: IC CLOCK GENERATOR LVPECL 32TQFN
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 2,500
類(lèi)型: 時(shí)鐘發(fā)生器,扇出配送,多路復(fù)用器
PLL: 帶旁路
輸入: LVCMOS,LVTTL
輸出: LVCMOS,LVPECL
電路數(shù): 1
比率 - 輸入:輸出: 2:4
差分 - 輸入:輸出: 無(wú)/是
頻率 - 最大: 625MHz
除法器/乘法器: 是/是
電源電壓: 3 V ~ 3.6 V
工作溫度: -40°C ~ 85°C
安裝類(lèi)型: 表面貼裝
封裝/外殼: 32-WFQFN 裸露焊盤(pán)
供應(yīng)商設(shè)備封裝: 32-TQFN-EP(5x5)
包裝: 帶卷 (TR)
General Description
The MAX3679A 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
MAX3679A
+3.3V, Low-Jitter Crystal to LVPECL
Clock Generator
________________________________________________________________
Maxim Integrated Products
1
Ordering Information
Typical Application Circuit
19-4858; Rev 0; 8/09
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(Pb)-free/RoHS-compliant package.
*
EP = Exposed pad.
EVALUATION
KIT
AVAILABLE
Pin Configuration appears at end of data sheet.
PART
TEMP RANGE
PIN-PACKAGE
MAX3679AETJ+
-40
°C to +85°C
32 TQFN-EP*
MAX3679A
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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MAX3679AEVKIT+ 功能描述:時(shí)鐘和定時(shí)器開(kāi)發(fā)工具 Not Available From Mouser RoHS:否 制造商:Texas Instruments 產(chǎn)品:Evaluation Modules 類(lèi)型:Clock Conditioners 工具用于評(píng)估:LMK04100B 頻率:122.8 MHz 工作電源電壓:3.3 V
MAX3679CTJ+ 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 類(lèi)型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
MAX3679CTJ+T 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 3.3V Low-Jitter Crystal to LVPECL RoHS:否 制造商:Silicon Labs 類(lèi)型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)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(fēng)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(fēng)格:SMD/SMT 端接類(lèi)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(fēng)格:SMD/SMT 端接類(lèi)型:SMD/SMT 系列: 最小工作溫度:- 40 C 最大工作溫度:+ 85 C