LE57D121BTCT Overview

A 44-TQFP Exposed Pad package saves space on a board.For telecommunications equipment packing, the Tape & Reel (TR) method is used.Telecommunications equipment is mounted with type Surface Mount.2 circuits are used in this telecom IC .Providing 4.75V~5.25V wtelecom IC's efficiencyh the correct supply voltage will improve efficiency.-40°C~85°C is the operating temperature that can be set for reliable performance.The mounting is in the way of Surface Mount.In order to provide designers with a great deal of flexibility, this telecom circuit operates on the supply voltage of 5V.To give designers much flexibility, it uses 9.3mA as the supply current.During normal operation, a minimum value of -40°C is set for the temperature.To ensure normal operation, 85°C is set at maximum.A voltage of at least 4.75V should be supplied.

LE57D121BTCT Features

Available in the 44-TQFP Exposed Pad package
Operating supply voltage of 5V
Operating supply current of 9.3mA

LE57D121BTCT Applications

There are a lot of Microchip Technology LE57D121BTCT Telecom applications.

• Central office
• Fiber to the Home (FTTH)
• Short/Medium Loop
• E3/DS3 Access Equipment
• E1 Multiplexer
• ISDN Primary Rate Interface
• Multi-Line E1 Interface Cards
• T1 Digital Cross Connects (DSX-1)
• High-Density T1/E1/J1 interfaces for Multiplexers
• ISDN terminal adapter