MT8888CS1 Overview
In order to save space on the board, the 20-SOIC (0.295, 7.50mm Width) package is used.Telecommunications equipment is packed using the Tube method.Mounting type Surface Mount is used.1 circuits make up this telecom IC .Telecom circuit is possible to increase efficiency by providing 4.75V~5.25V with a higher voltage.At -40°C~85°C, reliable performance can be achieved.Telecom switching is mounted in a Surface Mount-direction.Telecom switching configuration contains 20 terminations.It operates at a voltage of 5V.There are 20 pins on this telecom interface.As its telecom IC type, it uses DTMF SIGNALING CIRCUIT.7mA is the supply current.The supply voltage of 5V enables designers to have a great deal of flexibility.Designed to work with the supply current of 7mA, it provides designers with a great deal of flexibility.A lot of its functions of the telecommunication product are similar to those of the electronic parts in the - series.When designing, it is configured with 1 functions.Pins on the 20 telecom product are designed for its configuration.Maximum supply current reaches 0.01 mA.3.58MHz is the frequency at which this telecommunication product operates.
MT8888CS1 Features
Available in the 20-SOIC (0.295, 7.50mm Width) package
DTMF SIGNALING CIRCUIT as telecom IC type
Operating supply voltage of 5V
Operating supply current of 7mA
Operating with the requency of 3.58MHz

MT8888CS1 Applications
There are a lot of Microchip Technology
MT8888CS1 Telecom applications.

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
Digital Access Cross-connect System (DACs)

Lifecycle Status	IN PRODUCTION (Last Updated: 1 month ago)
Factory Lead Time	8 Weeks
Mount	Surface Mount
Mounting Type	Surface Mount
Package / Case	20-SOIC (0.295, 7.50mm Width)
Surface Mount	YES
Number of Pins	20
Supplier Device Package	20-SOIC
Weight	800.987426mg
Number of Terminals	20
Mounting Style	SMD/SMT
Supplier Package	SOIC
Typical Operating Supply Voltage	5 V
Minimum Operating Supply Voltage	4.75 V
Category	DTMF Transceiver
Maximum Operating Supply Voltage	5.25 V
Mounting	Surface Mount
Package	Tube
Base Product Number	MT8888
Mfr	Microchip Technology
Product Status	Active
Maximum Operating Temperature	+ 85 C
Minimum Operating Temperature	- 40 C
Manufacturer	Microchip
Brand	Microchip Technology / Atmel
RoHS	Details
Package Shape	RECTANGULAR
Operating Temperature	-40°C~85°C
Packaging	Tube
Published	2000
Series	-
JESD-609 Code	e3
Pbfree Code	yes
Part Status	Active
Moisture Sensitivity Level (MSL)	3 (168 Hours)
Number of Terminations	20
Terminal Finish	MATTE TIN
HTS Code	8542.39.00.01
Max Power Dissipation	1W
Voltage - Supply	4.75V~5.25V
Terminal Position	DUAL
Terminal Form	GULL WING
Peak Reflow Temperature (Cel)	260
Number of Functions	1
Supply Voltage	5V
Terminal Pitch	1.27 mm
Reach Compliance Code	compliant
Frequency	3.58MHz
Time@Peak Reflow Temperature-Max (s)	30
Pin Count	20
JESD-30 Code	R-PDSO-G20
Function	DTMF Transceiver
Qualification Status	Not Qualified
Operating Supply Voltage	5V
Power Supplies	5V
Temperature Grade	INDUSTRIAL
Interface	-
Number of Circuits	1
Operating Supply Current	7mA
Supply Current-Max	0.01 mA
Current - Supply	7mA
Logic Function	Transceiver
Seated Height-Max	2.65 mm
Product Type	Telecom Interface ICs
Telecom IC Type	DTMF SIGNALING CIRCUIT
Product	DTMF - Dual-tone Multi-frequency Transceivers
Product Category	Telecom Interface ICs
Height Seated (Max)	2.65mm
Width	7.5mm
Length	12.8 mm
Radiation Hardening	No
RoHS Status	ROHS3 Compliant
Lead Free	Lead Free