DS21FT42 Overview
Saving board space is achieved with the 300-BBGA package.In order to pack telecommunications equipment, Tube is used.The mounting type of this telecom circuit is Surface Mount.2.97V~3.63V can be supplied wtelecom IC's efficiencyh a voltage that enhances efficiency.0°C~70°C is the operating temperature that can be set for reliable performance.A Surface Mount-axis mount is used.300 terminations can be found in the configuration.It operates at voltage 3.3V.The telecom interface contains 300 pins.Using telecom switching's base part number of DS21FT42, you can find more related parts.The telecom IC type is FRAMER.To give designers much flexibility, it uses 225mA as the supply current.As part of the design process, 1 functions are configured.A 300 telecom product's pins are designed for the configuration of that telecom product.
DS21FT42 Features
Available in the 300-BBGA package
FRAMER as telecom IC type
Operating supply current of 225mA

DS21FT42 Applications
There are a lot of Maxim Integrated
DS21FT42 Telecom applications.

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
Digital Access Cross-connect System (DACs)
Digital Cross-connect Systems (DCS)
Frame Relay Switches and Access Devices (FRADS)
ISDN Primary Rate Interfaces (PRA)

Mount	Surface Mount
Mounting Type	Surface Mount
Package / Case	300-BBGA
Number of Pins	300
Operating Temperature	0°C~70°C
Packaging	Tube
Published	2002
Part Status	Obsolete
Moisture Sensitivity Level (MSL)	4 (72 Hours)
Number of Terminations	300
HTS Code	8542.39.00.01
Voltage - Supply	2.97V~3.63V
Terminal Position	BOTTOM
Terminal Form	BALL
Peak Reflow Temperature (Cel)	NOT SPECIFIED
Number of Functions	1
Supply Voltage	3.3V
Terminal Pitch	1.27mm
Time@Peak Reflow Temperature-Max (s)	NOT SPECIFIED
Base Part Number	DS21FT42
Pin Count	300
Qualification Status	Not Qualified
Interface	Parallel/Serial
Operating Supply Current	225mA
Telecom IC Type	FRAMER
Length	27mm
Height Seated (Max)	2.54mm
Width	27mm
RoHS Status	Non-RoHS Compliant
Lead Free	Contains Lead