Parameters |
Mount |
Surface Mount |
Mounting Type |
Surface Mount |
Package / Case |
128-LQFP |
Number of Pins |
128 |
Operating Temperature |
0°C~70°C |
Packaging |
Tube |
Published |
2002 |
JESD-609 Code |
e0 |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
3 (168 Hours) |
Number of Terminations |
128 |
Terminal Finish |
Tin/Lead (Sn/Pb) |
Subcategory |
Digital Transmission Controllers |
Technology |
CMOS |
Voltage - Supply |
2.97V~3.63V |
Terminal Position |
QUAD |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
240 |
Number of Functions |
1 |
Supply Voltage |
3.3V |
Terminal Pitch |
0.5mm |
Reach Compliance Code |
not_compliant |
Time@Peak Reflow Temperature-Max (s) |
20 |
Base Part Number |
DS21Q44 |
Pin Count |
128 |
Qualification Status |
Not Qualified |
Operating Supply Voltage |
3.3V |
Interface |
Parallel/Serial |
Number of Circuits |
4 |
Operating Supply Current |
75mA |
Max Supply Current |
75mA |
Data Rate |
1.544 Mbps |
Telecom IC Type |
FRAMER |
Height Seated (Max) |
1.6mm |
Length |
20mm |
RoHS Status |
Non-RoHS Compliant |
Lead Free |
Contains Lead |
DS21Q44T Overview
In order to save space on the board, 128-LQFP packages are used.Telecommunications equipment is packed in the Tube-way.A Surface Mount mounting type is used.4 circuits make up this telecom IC .The voltage supplied to 2.97V~3.63V can improve efficiency.Telecom switching is possible to achieve reliable performance when the operating temperature is set at 0°C~70°C.Surface Mount is the way telecom switching is mounted.The configuration includes 128 terminations.With 3.3V as the supply voltage, it operates.128 pins are present on this telecom interface.In addition to telecom switching's base part number DS21Q44, it can be used to find other related parts.Telecom ICs of type FRAMER are used in it.With the voltage of 3.3V as its supply voltage, designers have a great deal of flexibility.Designed to work with the supply current of 75mA, it provides designers with a great deal of flexibility.Digital Transmission Controllers is a subcategory of telecommunications device .While designing, telecommunications device has 1 functions configured.Pins on 128 telecom products are designed to fit its configuration.Normal operation requires that the supply current be kept at 75mA.
DS21Q44T Features
Available in the 128-LQFP package
FRAMER as telecom IC type
Operating supply voltage of 3.3V
Operating supply current of 75mA
DS21Q44T Applications
There are a lot of Maxim Integrated DS21Q44T Telecom applications.
- T1 Rates PCM Line Interface
- Integrated Access Devices (IADs)
- E1 Multiplexer
- Cable Telephony
- T1/E1/J1 Multiplexer and Channel Banks
- Integrated Access Devices
- Cable Modem
- PCM Test Equipment
- Fault Tolerant Systems
- Inverse Multiplexing for ATM (IMA)