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BU8307CF Pulse / tone dialer

BU8307CF Description

Communication ICs Pulse / tone dialer for telephone set BU8307CS / BU8307CF The BU8307CS and BU8307CF are large scale integrated circuits with a puls.
(1) ROW1 to ROW4 and COL1 to COL4 These are the keyboard input pins.

BU8307CF Features

* 1) The chip includes both a pulse and tone dialer, making it possible to dial in either pulse or tone mode. 2) A wide operating voltage range enables direct powering by line current. The voltage range guaranteed for both pulse and tone dialing is 2.5V to 5.5V. 3) A built-in memory enables redialing

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Datasheet Details

Part number
BU8307CF
Manufacturer
ROHM ↗
File Size
292.96 KB
Datasheet
BU8307CF_Rohm.pdf
Description
Pulse / tone dialer

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Pulse tone dialer Rohm
Rohm BU8307CF-like datasheet