參數(shù)資料
型號(hào): KS8721SL TR
廠商: Micrel Inc
文件頁(yè)數(shù): 25/33頁(yè)
文件大?。?/td> 0K
描述: IC TXRX PHY 10/100 3.3V 48SSOP
標(biāo)準(zhǔn)包裝: 1,000
類型: 收發(fā)器
驅(qū)動(dòng)器/接收器數(shù): 1/1
規(guī)程: IEEE 802
電源電壓: 2.375 V ~ 2.625 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: 帶卷 (TR)
配用: 576-1010-ND - BOARD EVAL EXPERIMENT KS8721SL
其它名稱: KS8721SLTR
May 2004
31
M9999-051704
KS8721BL/SL
Micrel
Single Port
Number
Magnetic Manufacturer
Part Number
Auto-MDI-X
of Ports
Pulse
H1102
Yes
1
Bel Fuse
S558-5999-U7
Yes
1
YCL
PH163112
Yes
1
Transpower
HB726
Yes
1
Delta
LF8505
Yes
1
LanKom
LF-H41S
Yes
1
Table 9. Qualified Transformer List
Selection of Isolation Transformer(1)
One simple 1:1 isolation transformer is needed 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.
Characteristic
Value
Test Condition
Turns Ratio
1 CT : 1 CT
Open-Circuit Inductance (min.)
350
H
100mV, 100kHz, 8mA
Leakage Inductance (max.)
0.4
H
1MHz (min.)
Inter-Winding Capacitance (max.)
12pF
D.C. Resistance (max.)
0.9
Insertion Loss (max.)
1.0dB
0MHz to 65MHz
HIPOT (min.)
1500Vrms
Note:
1. The IEEE 802.3u standard for 100BASE-TX assumes a transformer loss of 0.5dB. For the transmit line transformer, insertion loss of up to 1.3dB can
be compensated or by increasing the line drive current by means of reducing the ISET resistor value. Please select the transformer that supports
auto-MDI/MDI-X.
Selection of Reference Crystal
An oscillator or crystal with the following typical characteristics is recommended.
Characteristic
Value
Units
Frequency
25.00000
MHz
Frequency Tolerance (max.)
±100
ppm
Load Capacitance (max.)
20
pF
Series Resistance (max.)
25
相關(guān)PDF資料
PDF描述
D38999/26WH53PA CONN PLUG 53POS STRAIGHT W/PINS
MS3101A36-14S CONN RCPT 16POS FREE HNG W/SCKT
VE-20J-MX-F4 CONVERTER MOD DC/DC 36V 75W
VI-J71-MX-F1 CONVERTER MOD DC/DC 12V 75W
VI-J5L-MX-F4 CONVERTER MOD DC/DC 28V 75W
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
KS8737 制造商:Micrel Inc 功能描述:IC, PHY TRANSCEIVER, 100MBPS, TQFP-64, Data Rate:100Mbps, Ethernet Type:10BASE-T
KS8737-EVAL 功能描述:BOARD EVAL EXPERIMENT FOR KS8737 RoHS:否 類別:編程器,開發(fā)系統(tǒng) >> 評(píng)估演示板和套件 系列:- 產(chǎn)品培訓(xùn)模塊:Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:1 系列:- 主要目的:電源管理,電池充電器 嵌入式:否 已用 IC / 零件:MAX8903A 主要屬性:1 芯鋰離子電池 次要屬性:狀態(tài) LED 已供物品:板
KS8761 制造商:KENDIN 功能描述:
KS8803 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:10/15 CH PLL
KS8803B 制造商:SAMSUNG 制造商全稱:Samsung semiconductor 功能描述:10/15 CH PLL