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M-959

Part Number	M-959
Manufacturer	Clare Inc.
Description	Dial Pulse Counter and Hook Status Monitor
Published	Mar 30, 2005
Detailed Description	M-959 Dial Pulse Counter and Hook Status Monitor Features • Time-guarded dial pulse counting • 10 or 20 PPS dialing spee...
Datasheet	M-959 PDF File

Overview

M-959 Dial Pulse Counter and Hook Status Monitor Features • Time-guarded dial pulse counting • 10 or 20 PPS dialing speeds pin selectable • Tri-state data outputs • Valid data output strobe • Data strobe control for use in interrupt-driven environments • Independent hook status monitoring • Low-power CMOS construction Description The M-959 is a low-power dial pulse counter and hook status monitor.
Contained in a 14-pin package, the M-959 requires no external components except a single 3.
579 MHz television color burst crystal.
The M-959 is typically connected to a loop current sensing circuit, which is connected in series with the voice pair (Tip and Ring) of a telephone line.
The M959 receiv...

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