hbwhelp@micrel.com or (408) 955-1690 7 Selection of I" />
參數(shù)資料
型號(hào): KSZ8993FL
廠商: Micrel Inc
文件頁(yè)數(shù): 100/100頁(yè)
文件大?。?/td> 0K
描述: IC CONV MED 10/100 SGL 128PQFP
標(biāo)準(zhǔn)包裝: 66
系列: *
類(lèi)型: *
應(yīng)用: *
安裝類(lèi)型: 表面貼裝
封裝/外殼: 128-BFQFP
供應(yīng)商設(shè)備封裝: 128-PQFP(14x20)
包裝: 托盤(pán)
產(chǎn)品目錄頁(yè)面: 1081 (CN2011-ZH PDF)
其它名稱(chēng): 576-1035
Micrel, Inc.
KS8993F/FL
June 2009
99
M9999-062509
hbwhelp@micrel.com or (408) 955-1690
7
Selection of Isolation Transformer
An 1:1 isolation transformer is required at the line interface. An isolation transformer with integrated common-mode
choke is recommended for exceeding FCC requirements.
The following table gives recommended transformer
characteristics.
Table 24: Transformer Selection Criteria
Parameter
Value
Test Condition
Turns Ratio
1 CT : 1 CT
Open-Circuit Inductance (min.)
350 uH
100 mV, 100 kHz, 8 mA
Leakage Inductance (max.)
0.4 uH
1 MHz (min.)
Inter-Winding Capacitance (max.)
12 pF
D.C. Resistance (max.)
0.9 Ohms
Insertion Loss (max.)
1.0 dB
0-65 MHz
HIPOT (min.)
1500 Vrms
The following are recommended transformers for the KS8993F.
Table 25: Qualified Single Port Magnetic
Magnetic Manufacturer
Part Number
Auto MDI-X
Pulse
H1102
Yes
Pulse (low cost)
H1260
Yes
Transpower
HB726
Yes
Bel Fuse
S558-5999-U7
Yes
Delta
LF8505
Yes
LanKom
LF-H41S
Yes
8
Selection of Crystal/Oscillator
A crystal or oscillator with the following typical characteristics is recommended.
Table 26: Crystal/Oscillator Selection Criteria
Charateristics
Value
Units
Frequency
25.00000
MHz
Frequency Tolerance (max)
±50
ppm
Load Capacitance (max)
20
pF
Series Resistance
25
Ω
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KSZ8993FL-EVAL 功能描述:BOARD EVALUATION FOR KSZ8993FL RoHS:是 類(lèi)別:編程器,開(kāi)發(fā)系統(tǒng) >> 過(guò)時(shí)/停產(chǎn)零件編號(hào) 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:MCU 適用于相關(guān)產(chǎn)品:Freescale MC68HC908LJ/LK(80-QFP ZIF 插口) 所含物品:面板、纜線、軟件、數(shù)據(jù)表和用戶(hù)手冊(cè) 其它名稱(chēng):520-1035
KSZ8993I 功能描述:以太網(wǎng) IC 3 Port 10/100 Switch w/Tranceivers & Frame Buffers, 128-PQFP, I-TEMP RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
KSZ8993M 功能描述:以太網(wǎng) IC 2+1 Port 10/100 Switch w/Tranceivers & Frame Buffers, 128-Ld PQFP (Lead Free) RoHS:否 制造商:Micrel 產(chǎn)品:Ethernet Switches 收發(fā)器數(shù)量:2 數(shù)據(jù)速率:10 Mb/s, 100 Mb/s 電源電壓-最大:1.25 V, 3.45 V 電源電壓-最小:1.15 V, 3.15 V 最大工作溫度:+ 85 C 封裝 / 箱體:QFN-64 封裝:Tray
KSZ8993MA5 功能描述:IC SWITCH 10/100 W/TXRX 128PQFP RoHS:是 類(lèi)別:集成電路 (IC) >> 專(zhuān)用 IC 系列:* 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 類(lèi)型:調(diào)幀器 應(yīng)用:數(shù)據(jù)傳輸 安裝類(lèi)型:表面貼裝 封裝/外殼:400-BBGA 供應(yīng)商設(shè)備封裝:400-PBGA(27x27) 包裝:散裝
KSZ8993M-EVAL 功能描述:以太網(wǎng)開(kāi)發(fā)工具 KSZ8993M Evaluation Board RoHS:否 制造商:Micrel 產(chǎn)品:Evaluation Boards 類(lèi)型:Ethernet Transceivers 工具用于評(píng)估:KSZ8873RLL 接口類(lèi)型:RMII 工作電源電壓: