Rainbow Electronics DS3150 User Manual

Ds3150, 3v t3/e3/sts-1 line interface unit, Features

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020602

Note:

Some revisions of this device may incorporate deviations from published specifications known

as errata. Multiple revisions of any device may be simultaneously available through various sales
channels. For information about device errata, click here:

http://dbserv.maxim-ic.com/errata.cfm

.






FEATURES

Integrated transmit and receive for T3, E3,
and STS-1 line interfaces
Performs clock/data recovery and wave
shaping
Requires no special external components
other than 1:2 transformers
Interfaces to 75

coaxial cable at lengths up

to 380m (T3), 440m (E3), or 360m (STS-1)
Adaptive receive equalizer handles from 0dB
to 15dB of cable loss
Interfaces directly to a DSX monitor signal
(20dB flat loss)
On-chip jitter attenuator can be placed either
in the receive path or the transmit path
Built-in B3ZS and HDB3 coder/decoder
Bipolar and NRZ interfaces
Analog and digital loopbacks
Onboard 2

15

- 1 and 2

23

- 1 Pseudo Random

Bit Sequence (PRBS) generator and detector
Transmit line-driver monitor checks for a
faulty transmitter or a shorted output
Complete T3 AIS generator (ANSI T1.107)
Unframed all ones generator (E3 AIS)
Digital clock inversion capability
Three-state line driver for low-power mode
Loss-of-signal detector (ANSI T1.231-1999
and ITU G.775)
Pin compatible with the TDK 78P7200 and
78P7200L
Drop-in replacement for TDK 78P2241/B
(Refer to Application Note 362)
Low-power 3.3V operation (5V tolerant I/O)
Industrial temperature range: -40

°

C to +85

°

C

Small packaging: 28-pin PLCC and
48-pin TQFP


FUNCTIONAL DIAGRAM














ORDERING INFORMATION

DS3150QN 28-Pin

PLCC -40

°

C to +85

°

C

DS3150Q 28-Pin

PLCC

0

°

C to +70

°

C

DS3150TN

48-Pin TQFP -40

°

C to +85

°

C

DS3150T 48-Pin

TQFP

0

°

C to +70

°

C

PRELIMINARY

PRELIMINARY

Rx+
Rx-

Tx+
Tx-

RCLK

RPOS

RNE

TCLK

TPOS

TNEG

Line In

T3, E3,

STS-1

Line Out

T3, E3,

STS-1

Receive
Clock and
Data

Transmit
Clock and
Data

DS3150 LIU

DS3150

3.3V T3/E3/STS-1 Line Interface Unit

www.maxim-ic.com

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