Electrical Parameters @ 25

° C

•

Isolation : 1500 Vrms •

Cable Impedance : 100

Ω • Rise Time : 3.0 nS Max. •

EPF8121S

E L E C T R O N I C S I N C .

CSF8121Sa Rev. 1

9/8/98

TEL: (818) 892-0761

FAX: (818) 894-5791

http://www.pca.com

PCA ELECTRONICS, INC.

16799 SCHOENBORN ST.

NORTH HILLS, CA 91343

10/100 Base-X Module for

Quad-port Applications

• Recommended for use with Level One LXT 974 •

• Guaranteed to operate with 8 mA DC bias at 70

°C •

• Complies with or exceeds IEEE 802.3, 10 BT/100 BX Standards •

Product performance is limited to specified parameters. Data is subject to change without prior notice.

Package

Solder Pad Layout

Q

N

M

P

120

21

40

PCA

EPF8121S

Date Code

B

D

A

J

Pin 1

I.D.

L

I

G

K

F

C

E

H

Schematic

Transmit Channel

21, 26, 31, 36

23, 28, 33, 38

20, 27, 32, 37

5, 10, 15, 20

4, 9, 14, 19

3, 8, 13, 18

Media

Side

Chip

Side

Chip

Side

Receive Channel

Media

Side

1 : 1

24, 29, 34, 39

25, 30, 35, 40

2, 7, 12, 17

1, 6, 11, 16

1CT :

2 CT

Insertion Loss

(dB Max.)

Common Mode Rejection

(dB Min.)

Crosstalk

(dB Min.)

Return Loss

(dB Min.)

30-100

MHz

200

MHz

300

MHz

1-100

MHz

1-100

MHz

150

MHz

1-30

MHz

60

MHz

100

MHz

Xmit

Rcv

Xmit

Rcv

Xmit

Rcv

Xmit

Rcv

Xmit

Rcv

Xmit

Rcv

Xmit

Rcv

Xmit

Rcv

OCL

@ 70

°C

100 KHz, 0.1 Vrms

8 mA DC Bias

350

µH

Media Side

-1

-12

-3

-18

-10

-30

-30

-20

-20

-12

-3

-18

-10

-20

-15

-10

Dimensions

A

B

C

D

E

F

G

H

I

J

K

L

M

N

P

Q

Dim.

1.110

.470

.250

---

.010

---

.590

.016

.008

---

0

°

.025

Min.

1.130

.490

.270

---

.015

---

.610

.022

.012

---

8

°

.045

Max.

1.120

.480

.260

.950

.0125

.050

.600

.019

.010

.085

---

.035

.030

.050

.090

.670

Nom.

(Inches)

(Millimeters)

28.19

11.94

6.35

---

.254

---

14.99

.406

.203

---

0

°

.635

Min.

28.70

12.45

6.86

---

.381

---

15.49

.559

.305

---

8

°

1.14

Max.

28.45

12.19

6.60

24.13

.317

1.27

15.24

.483

.254

2.16

---

.889

.762

1.27

2.29

17.02

Nom.

Xmit

Rcv

-10

---

500

MHz

-1