KSZ8041FTLI Micrel Inc, KSZ8041FTLI Datasheet - Page 10
![Physical Layer Transceiver 10/100BASE-FX ( )](/photos/6/84/68454/576-48-tqfp_sml.jpg)
KSZ8041FTLI
Manufacturer Part Number
KSZ8041FTLI
Description
Physical Layer Transceiver 10/100BASE-FX ( )
Manufacturer
Micrel Inc
Type
Transceiverr
Datasheet
1.KSZ8041MLLI.pdf
(65 pages)
Specifications of KSZ8041FTLI
Number Of Drivers/receivers
1/1
Protocol
SMII
Voltage - Supply
3.135 V ~ 3.465 V
Mounting Type
Surface Mount
Package / Case
48-TQFP, 48-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
For Use With
576-3294 - BOARD EVALUATION KSZ8041FTL
Lead Free Status / RoHS Status
Compliant, Lead free / RoHS Compliant
Other names
576-3347
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
KSZ8041FTLI
Manufacturer:
MICREL
Quantity:
5 000
Part Number:
KSZ8041FTLI-TR
Manufacturer:
MICROCHIP/微芯
Quantity:
20 000
Micrel, Inc.
Pin Description- KSZ8041TL/FTL
December 2009
Pin Number
10
11
12
13
14
15
16
17
18
19
20
21
22
1
2
3
4
5
6
7
8
9
VDDA_1.8
VDDA_1.8
V1.8_OUT
VDDA_3.3
VDDA_3.3
Pin Name
REFCLK /
PHYAD0
PHYAD1
PHYAD2
RXD[1] /
CLOCK
RXD3 /
RXD2 /
RXD1 /
REXT
MDIO
GND
GND
GND
GND
GND
MDC
RX+
TX+
RX-
TX-
XI /
XO
Type
Ipu/O
Ipd/O
Ipd/O
Gnd
Gnd
Gnd
Gnd
Gnd
I/O
I/O
I/O
I/O
I/O
I/O
O
P
P
P
P
P
I
I
(1)
Pin Function
Ground
Ground
Ground
1.8V analog V
1.8V analog V
1.8V output voltage from chip
3.3V analog V
3.3V analog V
Physical receive or transmit signal (- differential)
Physical receive or transmit signal (+ differential)
Physical transmit or receive signal (- differential)
Physical transmit or receive signal (+ differential)
Ground
Crystal feedback
This pin is used only in MII mode when a 25MHz crystal is used.
This pin is a no connect if oscillator or external clock source is used, or if RMII
mode or SMII mode is selected.
Crystal / Oscillator / External Clock Input
MII Mode:
RMII Mode:
SMII Mode:
Set physical transmit output current
Connect a 6.49K: resistor in parallel with a 100pF capacitor to ground on this
pin. See KSZ8041TL-FTL reference schematics.
Ground
Management Interface (MII) Data I/O
This pin requires an external 4.7K: pull-up resistor.
Management Interface (MII) Clock Input
This pin is synchronous to the MDIO data interface.
MII Mode:
Config. Mode:
MII Mode:
Config. Mode:
MII Mode:
RMII Mode:
Config. Mode:
DD
DD
DD
DD
25MHz +/-50ppm (crystal, oscillator, or external clock)
50MHz +/-50ppm (oscillator, or external clock only)
125MHz +/-100ppm (oscillator, or external clock only)
Receive Data Output[3]
The pull-up/pull-down value is latched as PHYADDR[0] during
power-up / reset. See “Strapping Options” section for details.
Receive Data Output[2]
The pull-up/pull-down value is latched as PHYADDR[1] during
power-up / reset. See “Strapping Options” section for details.
Receive Data Output[1]
Receive Data Output[1]
The pull-up/pull-down value is latched as PHYADDR[2] during
power-up / reset. See “Strapping Options” section for details.
10
(2)
(2)
(2)
(3)
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KSZ8041TL/FTL/MLL
M9999-120909-1.2