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Part Number: MT8941B
Description: The MT8941B is a dual digital phase-locked loop providing the timing and synchronization signals for the T1 or CEPT tra...
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MT8941B
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DataSheet
General Description
MT8941B General Description
The MT8941B is a dual digital phase-locked loop providing the timing and synchronization signals for the T1 or CEPT transmission links and the ST-BUS. The first PLL provides the T1 clock (1.544 MHz) synchronized to the input frame pulse at 8 kHz. The timing signals for the CEPT transmission link and the ST-BUS are provided by the second PLL lock-ed to an internal or an external 8 kHz frame pulse signal. The MT8941B offers improved jitter performance over the MT8940. The two devices also have some functional differences, which are listed in the section on "Differences bet-ween MT8941B and MT8940".
MT8941B Maximum Ratings
| Parameter | Symbol | Min | Max | Units | |
| 1 | Supply Voltage | VDD | -0.3 | 7.0 | V |
| 2 | Voltage on any pin | VI | VSS-0.5 | VDD+0.5 | V |
| 3 | Input/Output Diode Current | IIK/OK | ±10 | mA | |
| 4 | Output Source or Sink Current | IO | ±25 | mA | |
| 5 | DC Supply or Ground Current | IDD/ISS | ±50 | mA | |
| 6 | Storage Temperature | TST | -65 | 150 | °C |
| 7 |
Package Power Dissipation Plastic DIP |
PD PD |
600 1200 |
mW mW |
MT8941B Features
• Provides T1 clock at 1.544 MHz locked to an 8 kHz reference clock (frame pulse)
• Provides CEPT clock at 2.048 MHz and ST-BUS clock and timing signals locked to an internal or external 8 kHz refe-rence clock
• Typical inherent output jitter (unfiltered)= 0.07 UI peak-to-peak
• Typical jitter attenuation at: 10 Hz=23 dB,100 Hz=43 dB, 5 to 40 kHz 64 dB
• Jitter-free "FREE-RUN" mode
• Uncommitted two-input NAND gate
• Low power CMOS technology
• Provides CEPT clock at 2.048 MHz and ST-BUS clock and timing signals locked to an internal or external 8 kHz refe-rence clock
• Typical inherent output jitter (unfiltered)= 0.07 UI peak-to-peak
• Typical jitter attenuation at: 10 Hz=23 dB,100 Hz=43 dB, 5 to 40 kHz 64 dB
• Jitter-free "FREE-RUN" mode
• Uncommitted two-input NAND gate
• Low power CMOS technology
MT8941B Typical Application
• Synchronization and timing control for T1 and CEPT digital trunk transmission links
• ST- BUS clock and frame pulse source
• ST- BUS clock and frame pulse source
MT8941B Connection Diagram
MT8941B
PDF/DataSheet Download
- Datasheet: MT8941B
- File Size: 134363 KB
- Manufacturer: MITEL [Mitel Networks Corporation]
- Click here to Download
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MT8941B Relative Products
MT8940AE
The MT8940AE is a kind of dual digital phase-locked loop which provides the timing and synchronization signals for the T1 or CEPT transmission links and the ST-BUS. The first PLL provides the T1 clock (1.544 MHz),synchronized to the input frame pulse at 8 kH...
MT8940AC
The MT8940AC is a kind of dual digital phase-locked loop which provides the timing and synchronization signals for the T1 or CEPT transmission links and the ST-BUS. The first PLL of MT8940AC provides the T1 clock (1.544 MHz),synchronized to the input frame p...
MT8940
The MT8940 is a dual digital phase-locked loopproviding the timing and synchronization signals for the T1 or CEPT transmission links and the ST-BUS. The first PLL provides the T1 clock (1.544 MHz) synchronized to the input frame pulse at 8 kHz. The tim...
MT8931CE
The MT8931CE is a kind of Subscriber Network Interface Circuit (SNIC) which implements the ETSI ETS 300-012, CCITT I.430 and ANSI T1.605 Recommendations for the ISDN S and T reference points. The MT8931CE provides point-topoint and point-to-multipoint digita...
MT8931C
The MT8931C Subscriber Network Interface Circuit (SNIC) implements the ETSI ETS 300-012, CCITT I.430 and ANSI T1.605 Recommendations for the ISDN S and T reference points. Providing point-topoint and point-to-multipoint digital transmission, the SNIC may be ...
MT8930C
The MT8930C Subscriber Network Interface Circuit(SNIC) implements the ETSI ETS 300-012, CCITT I.430 and ANSI T1.605 Recommendations for the ISDN S and T reference points. Providing point-topoint and point-to-multipoint di-gital transmission, the SNIC may be ...
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