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20437, 20437-31Z, 20-4377

20437, 20437-31Z, 20-4377 Selling Leads, Datasheet

MFG:3266  Package Cooled:QFP  D/C:03+

20437, 20437-31Z, 20-4377 Picture

20437, 20437-31Z, 20-4377 Datasheet download

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Part Number: 20437

 

MFG: 3266

Package Cooled: QFP

D/C: 03+

 

 

 
 
 
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  • 20437-11

  • Vendor: CNXT Pack: LQFP D/C: 04+& Qty: 204  Adddate: 2024-03-28
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  • TOPIA TECHNOLOGY CO. LTD   China
    Contact: Ms.Mandy   MSN:mandyxi2006@hotmail.com
    Tel: 0086-755-83001125
    Fax: 0086-755-83001175
    (13)
  • 20403-030E

  • Vendor: I-PEX Pack: Original Package D/C: 12+& Qty: 14000 Note: Huaqiangbei Connector,Shenzhen Stock  Adddate: 2024-03-28
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  • Shenzhen Chollas Electronics Co., Ltd   China
    Contact: Mr.Jefferson   MSN:jefferson7806@hotmail.com
    Tel: 86-755-82565521
    Fax: 86-755-83206987
    (4)

About 20437

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Datasheet: 20437

File Size: 215382 KB

Manufacturer: ETC [ETC]

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20437-31Z Suppliers

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  • 20403-030E

  • Vendor: I-PEX Pack: Original Package D/C: 12+& Qty: 14000 Note: Huaqiangbei Connector,Shenzhen Stock  Adddate: 2024-03-28
  • Inquire Now
  • Shenzhen Chollas Electronics Co., Ltd   China
    Contact: Mr.Jefferson   MSN:jefferson7806@hotmail.com
    Tel: 86-755-82565521
    Fax: 86-755-83206987
    (4)

About 2041

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Datasheet: 2041

File Size: 102686 KB

Manufacturer: MACOM [Tyco Electronics]

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  • 20-044-2A30

  • Vendor: T-CONN Pack: Original Package D/C: 12+& Qty: 6020 Note: Huaqiangbei Connector,Shenzhen Stock  Adddate: 2024-03-28
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  • Shenzhen Chollas Electronics Co., Ltd   China
    Contact: Mr.Jefferson   MSN:jefferson7806@hotmail.com
    Tel: 86-755-82565521
    Fax: 86-755-83206987
    (4)
  • 20-045-2A30

  • Vendor: T-CONN Pack: Original Package D/C: 12+& Qty: 16000 Note: Huaqiangbei Connector,Shenzhen Stock  Adddate: 2024-03-28
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  • Shenzhen Chollas Electronics Co., Ltd   China
    Contact: Mr.Jefferson   MSN:jefferson7806@hotmail.com
    Tel: 86-755-82565521
    Fax: 86-755-83206987
    (4)
  • 20-101-0412/OP6600 DISPLAY

  • Vendor: Digital Qty: 8  Adddate: 2024-03-28
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  •   China
    Contact: Mr.  
    Tel: +86-0755-83227904
    Fax: +86-0755-83203449
    (20)
  • 20-101-0492/OP6800

  • Vendor: Digital Qty: 1  Adddate: 2024-03-28
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  •   China
    Contact: Mr.  
    Tel: +86-0755-83227904
    Fax: +86-0755-83203449
    (20)
  • 20-101-0709/OP6700 DISPLAY

  • Vendor: Digital Qty: 1  Adddate: 2024-03-28
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  •   China
    Contact: Mr.  
    Tel: +86-0755-83227904
    Fax: +86-0755-83203449
    (20)
  • 20-101-1202

  • Vendor: Rabbit Qty: 52 Note: New, Same-Day Ship  Adddate: 2024-03-28
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  • TechNut Electronics   United
    Contact: Mr.Josh  
    Tel: 0-801-529-8126
    Fax: 0-801-649-2705
    (14)

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20437 General Description

The SmartACFL device set, comprised of separate microcontroller (MCU), modem data pump (MDP), and line side device (LSD) devices, provides the processing core for a complete modem design. The optional Voice Codec (VC) supports voice/full-duplex speakerphone (FDSP) operation with interfaces to a microphone and speaker and to a telephone handset/headset (S models). The S model can also be ordered with an RCDSVD Speech Codec Processor (SCP) in a 100-pin PQFP to support DSVD.

Modem operation, including dialing, call progress, telephone line interface, telephone handset interface, voice/speakerphone interface, and host interface functions are supported and controlled through the V.250, V.251, and V.253-compatible command set.

The modem hardware connects to the host via a parallel, serial, or PC Card interface. The OEM adds discrete components as required by the modem model and the application to complete the system (Table 1). These components may include a crystal circuit, EEPROM, DIB components, telephone line interface, optional voice/speakerphone interface, and optional cellular/GSM interface.

Parallel interface operation, including cellular and GSM support, is selected by PARIF input high. Serial interface operation is selected by PARIF input low. Cellular operation is selected by LINE/CELL input low. GSM operation is selected by LINE/GSM input low.

20437 Features

• V.90 data/V.17 fax modem
• SmartDAA technology
  − System side powered DAA operates under poor line current supply conditions
  − Wake-on-ring
  − Ring detection
  − Line polarity reversal detection
  − Line current loss detection
  − Pulse dialing
  − Call waiting detection
  − Digital PBX line protection
  − Meets world-wide DC VI Masks requirements
  − Caller ID detection
• Data/Fax/Voice call discrimination
• Hardware-based modem controller
• Hardware-based digital signal processor (DSP)
• Voice/full-duplex speakerphone mode (S models)
• V.70 DSVD using optional RCDSVD SCP (S models)
• World-wide operation
• Industry standard communication commands
• Selectable parallel/serial interface with speeds up to 230.4 kbps
  − Parallel 16550A UART-compatible interface
  − Serial ITU-T V.24 (EIA/TIA-232-E)
• V.80 synchronous access mode
• Direct mode (serial interface)
• Synchronous data mode (serial interface)
• V.22 bis fast connect
• Analog cellular direct connect
• GSM direct connect
• Sleep mode
• Thin packages support low profile designs
• +3.3V operation with +5V tolerant digital inputs

20437 Typical Application

• PC Cards
• Embedded systems
• Serial box modems
• Set top boxes
• Point of sales terminals
• Remote monitoring and data collection systems

20437 Connection Diagram

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