DS2149Q Overview
28-LCC (J-Lead) package is used to save board space.The way of Tube is employed for telecommunications equipment packing.Surface Mount is used as telecommunications equipment mounting type.This telecom IC is composed of 1 circuits.Improved efficiency can be ensured when the supply voltage of 4.75V~5.25V is provided.Reliable performance can be offered when the operating temperature is set at 0°C~70°C.There are 28 terminations can be found in telecom switching configuration.The supply voltage it operates with is 5V.It adopts PCM TRANSCEIVER as its telecom IC type.
DS2149Q Features
Available in the 28-LCC (J-Lead) package
PCM TRANSCEIVER as telecom IC type

DS2149Q Applications
There are a lot of Rochester Electronics, LLC
DS2149Q Telecom applications.

High-Density T1/E1/J1 interfaces for Multiplexers
Switches
LAN Routers
Digital Modems
SONET/SDH terminal
Add/Drop multiplexers (ADMs)
T1/E1/J1 add/drop multiplexers (MUX)
Channel Service Units (CSUs): T1/E1/J1
Fractional T1/E1/J1
BITS Timing

Mounting Type	Surface Mount
Package / Case	28-LCC (J-Lead)
Surface Mount	YES
Operating Temperature	0°C~70°C
Packaging	Tube
JESD-609 Code	e0
Pbfree Code	no
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)
Number of Terminations	28
Terminal Finish	TIN LEAD
Voltage - Supply	4.75V~5.25V
Terminal Position	QUAD
Terminal Form	J BEND
Peak Reflow Temperature (Cel)	245
Supply Voltage	5V
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
JESD-30 Code	S-PQCC-J28
Function	Line Interface Unit (LIU)
Qualification Status	COMMERCIAL
Interface	LIU
Number of Circuits	1
Telecom IC Type	PCM TRANSCEIVER
Height Seated (Max)	4.57mm
RoHS Status	Non-RoHS Compliant