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AY-5-9500 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
AY-5-9500GIMT299Yes

AY-5-9500** is a **General Instrument Microelectronics (GIMT)** integrated circuit (IC) designed for **telephone dialing applications**.

The AY-5-9500 is a General Instrument Microelectronics (GIMT) integrated circuit (IC) designed for telephone dialing applications.

Specifications:

  • Manufacturer: General Instrument Microelectronics (GIMT)
  • Function: DTMF (Dual-Tone Multi-Frequency) generator for telephone dialing
  • Technology: CMOS
  • Operating Voltage: Typically 3V to 10V
  • Output: Generates standard DTMF tones (row and column frequencies)
  • Keypad Interface: Compatible with 4x4 matrix keypad
  • Package: Available in DIP (Dual In-line Package)

Descriptions:

The AY-5-9500 is a CMOS-based DTMF generator IC used in telecommunication devices to produce the necessary tone pairs for dialing. It converts keypad inputs into corresponding DTMF signals for transmission over telephone lines.

Features:

  • Low power consumption (typical of CMOS technology)
  • Built-in oscillator (requires an external crystal or RC network)
  • Single-chip solution for DTMF generation
  • Wide operating voltage range (suitable for battery-powered devices)
  • Standard DTMF frequency pairs for accurate tone generation

This IC was commonly used in early telephone systems, modems, and other communication devices requiring DTMF signaling.

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