EPT7088 Datasheet, PDF (1/2 Pages) PCA ELECTRONICS INC. – Token Ring Interface Module

ELECTRONICS INC.
Token Ring Interface Module
EPT7088
• Optimized for Texas Instrument’s TI38054 •
• Supports both UTP Transmission •
• Complies with or exceeds IEEE 802.5 Requirements •
Electrical Parameters @ 25° C
Impedance
(Ω)
Insertion Loss
( dB Max. )
( dB Min. )
Chip Side 1-4 8 16 24 32 36 44 80
600 ^{MHz MHz MHz MHz MHz MHz MHz MHz}
Cable Side
100
-.5 -.8 -1 -1.9 -7 -25 -30 -25
Return Loss
(dB Min.)
1-6
MHz
6-17
MHz
17-25
MHz
-14
-12
-8
Common Mode Rejection
(dB Min.)
100 1 5 20 70 100 200
KHz MHz MHz MHz MHz MHz MHz
-65 -45 -30 -30 -15 -15 -20
Ph- 6
Ph+ 11
Tx+ 16
15
2
Tx- 1
Schematic
Xmit
Filter
Impedance
Matching
Network
CMF
Pins 4 , 5 , 12 , 13 are Not Connected
10
9 Tu+
8 Tu-
7
3 , 14
J
White dot
pin #1
C
Package
A
PCA
EPT7088
B
Date Code
D
E
H
FK
I
G
Dim.
A
B
C
D
E
F
G
H
I
J
K
Dimensions
(Inches)
(Millimeters)
Min. Max. Nom. Min. Max. Nom.
.990 1.000 .995 25.15 25.65 25.27
.442 .462 .452 11.23 11.73 11.48
.351 .371 .361 8.92 9.42 9.17
---
--- .700 ---
-- 17.78
.005 .025 .015 .130 .640 .381
---
--- .100 ---
--- 2.54
.525 .555 .540 13.34 14.10 13.72
.016 .022 .020 .406 .559 .508
---
--- .010 ---
--- 2.54
---
--- .147 ---
--- 3.75
.125 .150 .138 3.18 3.81 3.50
PCA ELECTRONICS, INC.
16799 SCHOENBORN ST.
NORTH HILLS, CA 91343
CST7088 Rev. 1 1/19/99
Product performance is limited to specified parameters. Data is subject to change without prior notice.
TEL: [phone]
FAX: [phone]
http://www.pca.com