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Numéro de référence | U3761MB-T | ||
Description | Universal Telephone IC | ||
Fabricant | ATMEL Corporation | ||
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Features
Speech Circuit
• Adjustable DC Characteristic
• Symmetrical Input of Microphone Amplifier
• Receiving Amplifier for Dynamic or Piezo-electric Earpieces
• Automatic Line-loss Compensation
Dialer
• DTMF/Pulse Switchable
• Pulse Dialing 66/33 or 60/40 or DTMF Dialing Selectable by Pin
• Selectable Flashing Duration by Key Pad
• Pause Function
• Optical Indication of Temporary DTMF Mode
• Keytone for Pulse Dialing
• Last Number Redial up to 32 Digits
• Three by 17 Digits Direct (One-touch) Memory
• Ten by 17 Digits Indirect (Two-touch) Memory
• Notice Function up to 32 Digits
• Standard Low-cost Crystal 3.58 MHz or Ceramic Resonator
• Handset Mute (Privacy) with Optical Indication
• Additional Toggle Flipflop
• Internal Loop Interrupt Detection
Tone Ringer
• 2-tone Ringer
• Adjustable Volume
• RC Oscillator
• Adjustable Threshold
Benefits
• Low Number of External Components
• High Quality through One IC Solution
Electrostatic sensitive device.
Observe precautions for handling.
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Universal
Telephone IC -
All Functions
Integrated
U3761MB-T
Description
Atmel’s low-voltage telephone circuit U3761MB-T performs all the speech and line
interface functions required in an electronic telephone set, a tone ringer, a pulse and
DTMF dialing with redial, notice function, and 13 memories. Operation below 15 mA is
possible with reduced performance.
Rev. 4744A–CORD–09/03
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Pages | Pages 27 | ||
Télécharger | [ U3761MB-T ] |
No | Description détaillée | Fabricant |
U3761MB-AFN | Low Voltage Standard Telephone Circuit with 13 Memories | TEMIC Semiconductors |
U3761MB-AFNG3 | Low Voltage Standard Telephone Circuit with 13 Memories | TEMIC Semiconductors |
U3761MB-ASD | Low Voltage Standard Telephone Circuit with 13 Memories | TEMIC Semiconductors |
U3761MB-T | Universal Telephone IC | ATMEL Corporation |
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TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
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