參數(shù)資料
型號(hào): ICS1893AFLF
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 59/136頁
文件大?。?/td> 0K
描述: PHYCEIVER LOW PWR 3.3V 48-SSOP
標(biāo)準(zhǔn)包裝: 30
系列: PHYceiver™
類型: PHY 收發(fā)器
規(guī)程: MII
電源電壓: 3.14 V ~ 3.47 V
安裝類型: 表面貼裝
封裝/外殼: 48-BSSOP(0.295",7.50mm 寬)
供應(yīng)商設(shè)備封裝: 48-SSOP
包裝: 管件
其它名稱: 1893AFLF
800-2353-5
ICS1893AFLF-ND
Chapter 6
Interface Overviews
ICS1893AF, Rev. D 10/26/04
October, 2004
29
ICS1893AF Data Sheet - Release
Copyright 2004, Integrated Circuit Systems, Inc.
All rights reserved.
6.4
Clock Reference Interface
The REF_IN pin provides the ICS1893AF Clock Reference Interface. The ICS1893AF requires a single
clock reference with a frequency of 25 MHz ±50 parts per million. This accuracy is necessary to meet the
interface requirements of the ISO/IEEE 8802-3 standard, specifically clauses 22.2.2.1 and 24.2.3.4. The
ICS1893AF supports two clock source configurations: a CMOS oscillator or a CMOS driver. The input to
REF_IN is CMOS (10% to 90% VDD), not TTL. Alternately, a 25MHz crystal may be used. The Oscillator
specifications are shown in Table 6.1.
Figure 6-3.
Crystal or Oscillator Operation
33 pF
REF_IN
47
REF_OUT
46
25.000MHz
33 pF
10 pF
REF_IN
47
REF_OUT
46
CMOS
25.000
MHz
33 Ohm
NC
Crystal
Oscillator
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ICS1893AFLFT 功能描述:PHYCEIVER LOW PWR 3.3V 48-SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器,接收器,收發(fā)器 系列:PHYceiver™ 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP(0.173",4.40mm 寬) 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR)
ICS1893AFT 功能描述:PHYCEIVER LOW PWR 3.3V 48-SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器,接收器,收發(fā)器 系列:PHYceiver™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC(0.295",7.50mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR)
ICS1893AG 制造商:ICS 制造商全稱:ICS 功能描述:3.3 V 10Base-T/100Base-TX Integrated PHYceiver-TM
ICS1893AGI 制造商:ICS 制造商全稱:ICS 功能描述:3.3 V 10Base-T/100Base-TX Integrated PHYceiver-TM
ICS1893AGILF 制造商:ICS 制造商全稱:ICS 功能描述:3.3 V 10Base-T/100Base-TX Integrated PHYceiver-TM