参数资料
型号: KSZ8721BL-EVAL
厂商: Micrel Inc
文件页数: 10/35页
文件大小: 0K
描述: BOARD EVALUATION FOR KSZ8721BL
标准包装: 1
主要目的: 接口,以太网 PHY
嵌入式:
已用 IC / 零件: KSZ8721BL
主要属性: 1 个端口,100BASE-TX/100BASE-FX/10BASE-T
次要属性: MII,RMII,HP 自动 MDI,MDI-X 自动极性校正
已供物品:
相关产品: 576-1028-6-ND - IC TXRX PHY 10/100 3.3V 48LQFP
576-1026-6-ND - IC TXRX PHY 10/100 2.5V 48SSOP
KSZ8721BLIA4 TR-ND - TRANSCEIVER 10/100 3.3V 48-LQFP
KSZ8721BLI TR-ND - TXRX PHY 10/100 2.3.3/5V 48-LQFP
KSZ8721BI TR-ND - TXRX PHY 10/100 2.3.3/5V 48-SSOP
KSZ8721BLA4 TR-ND - TXRX 10/100 3.3V 48-SSOP
KSZ8721BLA4-ND - TXRX 10/100 3.3V 48-SSOP
KSZ8721BA4 TR-ND - TXRX 10/100 3.3V 48-SSOP
KSZ8721BA4-ND - TXRX 10/100 3.3V 48-SSOP
576-1028-1-ND - IC TXRX PHY 10/100 3.3V 48LQFP
更多...
其它名称: 576-1626
Micrel, Inc.
KS8721BL/SL
June 2009
18
M9999-062509-1.3
Circuit Design Reference for Power Supply
Micrel’s integrated built-in, voltage regulator technology and thoughtful implementation allows the user to save BOM
cost on both existing and future designs with the use of the new KS8721BL/SL single supply, single port 10/100
Ethernet PHY.
7
24
+3.3V
KS8721BL/SL
8
1223
3536
3943
44
VDDI/O
VDDC
VDDPLL
Voltage
Regulator
10F
+2.5V
+2.5VPLL
Ferrite Bead
10F
13
47
+2.5VA
Ferrite Bead
VDDTX
OUT
IN
GND
42
31
38
10F
VDDRX
VDDRCV
Figure 4. Circuit Design
The circuit design in Figure 4 shows the power connections for the power supply: the 3.3V to VDDI/O is the only input
power source and the 2.5V at VDDRCV, pin 38, is the output of the voltage regulator that needs to supply through the
rest of the 2.5V VDD pins via the 2.5V power plane.
The 2.5V VDD pins make the drop-in replacement with the existing KS8721B/BT part. Table 2 shows the drop-in
replacement from the existing KS8721B/BT to the KS8721SL/BL. Please contact your local Micrel FAE for Application
Note AN-117, “Drop-in Replacement with KS8721BT.”
2.5V/3.3V Supply
3.3V Supply with Built-in Regulator
Part Number
Package
Part Number
Package
KS8721B
48-SSOP
KS8721SL
48-SSOP
KS8721BT
48-TQFP
KS8721BL
48-LQFP
KS8721BI
48-SSOP
KS8721SLI
48-SSOP
Table 2. Drop-In Replacement
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参数描述
KSZ8721BLI 功能描述:以太网 IC 10/100 BASE-TX/FX Physical Layer Transceiver, Single 3.3V Supply, 48-LQFP, Indus (Lead Free) RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray
KSZ8721BLI TR 功能描述:以太网 IC 10/100 BASE-TX/FX Physical Layer Transceiver, Single 3.3V Supply, 48-LQFP, Indus (Lead Free) RoHS:否 制造商:Micrel 产品:Ethernet Switches 收发器数量:2 数据速率:10 Mb/s, 100 Mb/s 电源电压-最大:1.25 V, 3.45 V 电源电压-最小:1.15 V, 3.15 V 最大工作温度:+ 85 C 封装 / 箱体:QFN-64 封装:Tray
KSZ8721BLIA4 TR 功能描述:TRANSCEIVER 10/100 3.3V 48-LQFP RoHS:是 类别:集成电路 (IC) >> 接口 - 驱动器,接收器,收发器 系列:- 标准包装:1,140 系列:AU 类型:收发器 驱动器/接收器数:1/1 规程:CAN 电源电压:5.3 V ~ 27 V 安装类型:表面贴装 封装/外壳:14-SOIC(0.154",3.90mm 宽) 供应商设备封装:14-SO 包装:管件 其它名称:935267940512AU5790D14AU5790D14-ND
KSZ8721BLTR 制造商:Micrel Inc 功能描述:Physical Layer Transceiver 1-Ch 100Mbps
KSZ8721BL-TR 功能描述:1/1 Transceiver Full MII, RMII 48-LQFP (7x7) 制造商:microchip technology 系列:- 包装:剪切带(CT) 零件状态:有效 类型:收发器 协议:MII,RMII 驱动器/接收器数:1/1 双工:全 接收器滞后:- 数据速率:- 电压 - 电源:3 V ~ 3.6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:48-LQFP 供应商器件封装:48-LQFP(7x7) 标准包装:1