KS8721BI datasheet(10/32 Pages) MICREL

Part #	KS8721BI

Description	2.5V 10/100BasTX/FX MII Physical Layer Transceiver

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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10 / 32 page

KS8721B/BT

Micrel

KS8721B/BT

10

August 2003

Pin Configuration

VDDIO

INT#/PHYAD0

25

24

GND

LED0/TEST

26

23

13

VDDC

TXER

TXC/REF_CLK

TXEN

TXD0

TXD1

TXD2

TXD3

COL/RMII

CRS/RMII_BTB

36 GND

GND

FXSD/FXEN

RX+

RX-

VDDRX

PD#

LED3/NWAYEN

LED2/DUPLEX

LED1/SPD100

35

34

33

32

31

30

29

28

27

14

15

16

17

18

19

20

21

22

GND

REXT

37

12

RXER/ISO

VDDRCV

38

11

1

MDIO

MDC

R3D3/PHYAD1

RXD2/PHYAD2

RXD1/PHYAD3

RXD0/PHYAD4

VDDIO

GND

RXDV/PCS_LPBK

RXC

48 RST#

VDDPLL

XI

XO

GND

VDDTX

TX+

TX-

GND

47

46

45

44

43

42

41

40

39

2

3

4

5

6

7

8

9

10

48-Pin SSOP (SM)

MDIO

MDC

RXD3/PHYAD1

RXD2/PHYAD2

RXD1/PHYAD3

RXD0/PHYAD4

VDDIO

GND

13 14 15 16 17 18 19 20

1

2

3

4

5

6

7

8

RXDV/PCS_LPBK

RXC

RXER/ISO

GND

9

10

11

12

21 22 23 24

GND

FXSD/FXEN

RX+

RX—

VDDRX

PD#

LED3/NWAYEN

36

35

34

33

32

31

30

29

LED2/DUPLEX

LED1/SPD100

LED0/TEST

INT#/PHYAD0

28

27

26

25

48 47 46 45 44 43 42 41 40 39 38 37

48-Pin TQFP (TQ)

Similar Part No. - KS8721BI

Manufacturer	Part #	Datasheet	Description
Micrel Semiconductor	KS8721B	2Mb / 32P	2.5V 10/100BasTX/FX MII Physical Layer Transceiver
	KS8721BL	61Kb / 2P	3.3V 10/100 BASE-TX/FX PHYSICAL LAYER TRANSCEIVER
	KS8721BL	317Kb / 35P	3.3V Single Power Supply 10/100BASE-TX/FX MII Physical Layer Transceiver
	KS8721BL	218Kb / 33P	3.3V Single Power Supply 10/100BASE-TX/FX MII Physical Layer Transceiver
	KS8721BLI	317Kb / 35P	3.3V Single Power Supply 10/100BASE-TX/FX MII Physical Layer Transceiver

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Similar Description - KS8721BI

Manufacturer	Part #	Datasheet	Description
Micrel Semiconductor	KS8721B	2Mb / 32P	2.5V 10/100BasTX/FX MII Physical Layer Transceiver
	KS8721BL	317Kb / 35P	3.3V Single Power Supply 10/100BASE-TX/FX MII Physical Layer Transceiver
	KS8721CL	280Kb / 33P	3.3V Single Power Supply 10/100BASE-TX/FX MII Physical Layer Transceiver
	KSZ8721SL-TR	218Kb / 33P	3.3V Single Power Supply 10/100BASE-TX/FX MII Physical Layer Transceiver
Microchip Technology	KSZ8721BL	572Kb / 44P	3.3V Single Power Supply 10/100 Base-TX/FX MII Physical Layer Transceiver 08/15/18
Micrel Semiconductor	KSZ8041FTLI	82Kb / 2P	Physical Layer Transceiver 10/100BASE-T/TX/FX
	KS8001	623Kb / 44P	1.8V, 3.3V 10/100BASETX/FX Physical Layer Transceiver
	KS8721BL	61Kb / 2P	3.3V 10/100 BASE-TX/FX PHYSICAL LAYER TRANSCEIVER
Microchip Technology	KSZ8001L	542Kb / 51P	1.8V, 3.3V 10/100BASE-T/TX/FX Physical Layer Transceiver 05/14/19
Micrel Semiconductor	KSZ8001L	561Kb / 46P	1.8C, 3.3V 10/100BASE-T/TX/FX Physical Layer Transceiver

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KS8721BI Datasheet(PDF) 10 Page - Micrel Semiconductor

KS8721BI Datasheet(HTML) 10 Page - Micrel Semiconductor

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