Features

• Central Office Quality

• No Front End Band SplitTIng Filters Required

• Single, Low Tolerance, 5V Supply

• Detects Either 12 or 16 Standard DTMF Digits

• Uses Inexpensive 3.579545MHz Crystal for Reference

• Excellent Speech Immunity

• Output in Either 4-Bit Hexadecimal Code or Binary

Coded 2-of-8

• Synchronous or Handshake Interface

• Three-State Outputs

• Excellent Latch-Up Immunity

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O B S O L E T E P R O D U C T i n t e r s i N O R E C O M M E N D E D R E P L A C E M E N T S u p p o r t C e n t e r a t c o m t s c c o n t a c t o u r T e c h n i c a l 1 8 8 8 I N T E R S I L o r w w w l CD22202 CD22203 5V Low Power DTMF Receiver November 2002 Features Central Office Quality No Front End Band Splitting Filters Required Single Low Tolerance 5V Supply Detects Either 12 or 16 Standard DTMF Digits Uses Inexpensive 3579545MHz Crystal for Reference Excellent ......