Parameters |
Telecom IC Type |
FRAMER |
Height Seated (Max) |
1.6mm |
Length |
20mm |
Radiation Hardening |
No |
RoHS Status |
Non-RoHS Compliant |
Lead Free |
Contains Lead |
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 |
e3 |
Pbfree Code |
yes |
Part Status |
Obsolete |
Moisture Sensitivity Level (MSL) |
3 (168 Hours) |
Number of Terminations |
128 |
ECCN Code |
EAR99 |
Terminal Finish |
Matte Tin (Sn) |
Subcategory |
Digital Transmission Controllers |
Technology |
CMOS |
Voltage - Supply |
2.97V~3.63V |
Terminal Position |
QUAD |
Terminal Form |
GULL WING |
Peak Reflow Temperature (Cel) |
260 |
Number of Functions |
1 |
Supply Voltage |
3.3V |
Terminal Pitch |
0.5mm |
Time@Peak Reflow Temperature-Max (s) |
30 |
Base Part Number |
DS21Q42 |
Pin Count |
128 |
Operating Supply Voltage |
3.3V |
Interface |
Parallel/Serial |
Number of Circuits |
4 |
Operating Supply Current |
75mA |
Max Supply Current |
75mA |
Data Rate |
2.048 Mbps |
DS21Q42T Overview
Saving board space is achieved with the 128-LQFP package.For telecommunications equipment packing, the Tube method is used.Telecommunications equipment is mounted with type Surface Mount.The telecom IC is composed of 4 circuits.A higher supply voltage for 2.97V~3.63V will improve efficiency.Operating temperatures of 0°C~70°C can ensure reliable performance.In Surface Mount's direction, telecom switching is mounted.There are 128 terminations can be found in telecom switching configuration.There is a voltage supply called 3.3V that it uses.There are 128 pins on this telecom interface.DS21Q42 is the base part number, which can be used to find more related parts.As its telecom IC type, it uses FRAMER.The supply voltage is 3.3V, which provides designers with a lot of flexibility.Telecom product operates with 75mA's supply current to give designers a lot of flexibility.Digital Transmission Controllers subcategories telecommunications device .During design, 1 functions are configured.128 telecom product pins are designed for its configuration.Normal operation requires a supply current of 75mA.
DS21Q42T Features
Available in the 128-LQFP package
FRAMER as telecom IC type
Operating supply voltage of 3.3V
Operating supply current of 75mA
DS21Q42T Applications
There are a lot of Maxim Integrated DS21Q42T Telecom applications.
- E3/DS3 Access Equipment
- ISDN NT1/TA
- PDH Multiplexers
- E1 Multiplexer
- Multichannel DS1 Test Equipment
- Central office (CO)
- T1/E1/J1 LAN/WAN Routers
- T1/E1/J1 Performance Monitoring
- Home Gateway
- Cable PC