KSZ8041NL-EVAL Micrel Inc, KSZ8041NL-EVAL Datasheet - Page 31

• Manufacturer Part Number: KSZ8041NL-EVAL
• Description: BOARD EVALUATION FOR KSZ8041NL
• Manufacturer: Micrel Inc

Specifications of KSZ8041NL-EVAL

• Main Purpose: Interface, Ethernet PHY
• Embedded: No
• Utilized Ic / Part: KSZ8041NL
• Primary Attributes: Single Chip PHY, 10BASE-T/100BASE-TX
• Secondary Attributes: MII, RMII, HP Auto MDI, MDI-X Auto Polarity Correction
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 576-1621

Micrel, Inc.
Reference Circuit for Power and Ground Connections
The KSZ8041NL/RNL is a single 3.3V supply device with a built-in 1.8V low noise regulator. The power and ground
connections are shown in Figure 8 and Table 6.
September 2010
Power Pin
VDDPLL_1.8
VDDA_3.3
VDDIO_3.3
3.3V
Ferrite
Bead
22uF
22uF
Figure 8. KSZ8041NL/RNL Power and Ground Connections
`
`
Pin Number
Table 6. KSZ8041NL/RNL Power Pin Description
0.1uF
0.1uF
17
3
17
2
3
VDDA_3.3
VDDIO_3.3
KSZ8041NL/RNL
Description
Decouple with 10uF and 0.1uF capacitors to ground.
Connect to board’s 3.3V supply through ferrite bead.
Connect to board’s 3.3V supply.
V
IN
1.8V Low Noise
(integrated)
Regulator
31
GND
1
V
Paddle
OUT
2
`
10uF
0.1uF
M9999-090910-1.4
KSZ8041NL/RNL