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MSM6927/6947

Features: • Compatible with ITU-T V.23 (MSM6927)• Compatible with BELL 202 (MSM6947)• CMOS silicon gate process• Switched capacitor and advanced CMOS analog technology• Data rate from 0 to 1200 bps• Half duplex (2-Wire)• Receive squelch delay• Select...

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SeekIC No. : 004429071 Detail

MSM6927/6947: Features: • Compatible with ITU-T V.23 (MSM6927)• Compatible with BELL 202 (MSM6947)• CMOS silicon gate process• Switched capacitor and advanced CMOS analog technology•...

MSM6927/6947 Data Sheet

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Part Number:
MSM6927/6947
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



Features:

• Compatible with ITU-T V.23 (MSM6927)
• Compatible with BELL 202 (MSM6947)
• CMOS silicon gate process
• Switched capacitor and advanced CMOS analog technology
• Data rate from 0 to 1200 bps
• Half duplex (2-Wire)
• Receive squelch delay
• Selectable built-in timers and external delay timers possible
• All filtering, modulation, demodulation, and DTE interface on chip
• Crystal controlled oscillator on chip
• TTL compatible digital interface
• Low power dissipation: 90 mW Typ.
• Package options:
   28-pin plastic                 DIP(DIP28-P-6002.54)                  (Product name: MSM6927RS)
                                                                                                 (Product name: MSM6947RS)
   44-pin plastic QFP          (QFP44-P-910-0.80K)                   (Product name: MSM6927GS-K)
                                                                                                 (Product name: MSM6947GS-K)
                                         (QFP44-P-910-0.802K)                 (Product name: MSM6927GS-2K)


Pinout

Connection Diagram Connection Diagram


Specifications

Parameter Symbol Condition Rating Unit
Power Supply Voltage VA Ta = 25°C
With respect
to AG or DG		 0.3 to15 V
VD 0.3 to 7
Analog Input Voltage *1 VIA 0.3 to VA + 0.3
Digital Input Voltage *2 VID 0.3 to VD + 0.3
Operating Temperature VID - 0 to +70
Storage Temperature TSTG - 55 to 150 °C



Description

The MSM6927/6947 are OKI's 1200 bps single chip modem series which transmit and receive serial, binary data over a switched telephone network using frequency shift keying(FSK).

The MSM6927 is compatible with ITU-T V.23 series data sets, while the MSM6947 is compatible with Bell 202 series data sets.

These MSM6927/6947 provide all the necessary modulation, demodulation, and filtering required to implement a serial, asynchronous communication link. OKI's single chip modem series is designed for users who are not telecommunication experts and are easy to use cost effective alternative to standard discrete modem design. CMOS LSI technology of MSM6927/6947 provides the advantages of small size, low power, and increased reliability.

The design of the integrated circuit assures compatibility with a broad base of installed low speed modems and acoustic couplers.  Applications of MSM6927/6947 include interactive terminals, desk top computers, point of sale equipment, and credit verification systems.




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