M-991
- Mfr.Part #
- M-991
- Manufacturer
- Littelfuse
- Package / Case
- 14-DIP (0.300, 7.62mm)
- Datasheet
- Download
- Description
- IC TELECOM INTERFACE 14DIP
- Stock
- 38,201
- In Stock :
- 38,201
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- Manufacturer :
- Littelfuse
- Product Category :
- Telecom
- JESD-30 Code :
- R-PDIP-T14
- Width :
- 7.62 mm
- Qualification Status :
- Not Qualified
- Package / Case :
- 14-DIP (0.300, 7.62mm)
- Operating Supply Voltage :
- 5V
- Number of Pins :
- 14
- Interface :
- --
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Mount :
- Through Hole
- Technology :
- CMOS
- Terminal Pitch :
- 2.54 mm
- Package Shape :
- RECTANGULAR
- Number of Circuits :
- 1
- Max Operating Temperature :
- 85°C
- Length :
- 19.2 mm
- Number of Terminals :
- 14
- Pin Count :
- 14
- Product Status :
- Obsolete
- Current - Supply :
- --
- Reach Compliance Code :
- Unknown
- Telecom IC Type :
- Tone Generator
- Temperature Grade :
- Other
- Min Supply Voltage :
- 4.75V
- Function :
- Tone Generator
- Terminal Position :
- Dual
- Seated Height-Max :
- 5.33 mm
- Voltage - Supply :
- 4.75V~5.25V
- Package :
- Tube
- Subcategory :
- Telecom Signaling Circuits
- Operating Temperature :
- -40°C~85°C
- Includes :
- --
- Number of Functions :
- 1
- Lead Free :
- Lead Free
- Mounting Type :
- Through Hole
- Packaging :
- Tube
- Published :
- 2012
- Terminal Form :
- THROUGH-HOLE
- Surface Mount :
- No
- RoHS Status :
- RoHS Compliant
- HTS Code :
- 8542.39.00.01
- Power Supplies :
- 5 V
- Min Operating Temperature :
- -40°C
- Max Supply Voltage :
- 5.25V
- Manufacturer :
- IXYS Integrated Circuits Division
- Series :
- --
- Supplier Device Package :
- 14-DIP
- Datasheets
- M-991

Telecom Littelfuse M-991 Overview
The Telecom Littelfuse M-991 is a highly reliable IC Telecom Interface housed in a 14DIP (dual in-line package) designed to meet the advanced needs of modern telecommunication systems. The M-991 offers a robust platform for telecom applications, facilitating enhanced communication protocols and connectivity options. This interface IC by Littelfuse is engineered to support rigorous telecom standards, ensuring optimal performance and longevity in critical communication infrastructures. Its design focuses on providing a seamless and stable operation, essential for high-volume and critical telecommunication functionalities.
M-991 Features
The M-991 IC from Littelfuse features several key attributes that make it an indispensable component in telecommunication systems. Key features include superior signal integrity, enhanced noise immunity, and robust electrostatic discharge (ESD) protection. These features collectively ensure reliable operation under diverse environmental conditions and rigorous usage scenarios, making it an ideal choice for demanding telecom applications.
M-991 Applications
- Telecommunication Networks: The M-991 is utilized in the core of telecommunication networks to facilitate clear and continuous communication signals, ensuring stable network performance and reduced downtime.
- Internet of Things (IoT) Devices: This IC can be integrated into IoT devices to enhance connectivity features, enabling these devices to communicate more efficiently within smart ecosystems.
- VoIP Systems: In VoIP systems, the M-991 helps in handling the interface for voice data transmission, providing the necessary infrastructure to support high-quality voice communications.
- Modems and Routers: The M-991 is crucial in modems and routers for managing data flow and signal integrity, which are vital for maintaining high-speed internet connectivity.
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| M-991-01SM | Littelfuse | 36,823 | IC TELECOM INTERFACE 16SOIC |
| M-991-01SMTR | Littelfuse | 37,027 | IC TELECOM INTERFACE 16SOIC |
| M-99CS | Littelfuse | 1,983 | COMP O= .234,L= 1.00,W= .035 |
















