MX633DW Просмотр технического описания (PDF) - MX-COM Inc
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MX633DW Datasheet PDF : 11 Pages
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Call Progress Tone Detector
2. Signal List
4
MX633 - PRELIMINARY INFORMATION
Package /
Pin No.
P DW
1
2
2
3
3
5
Signal
XTAL/CLOCK
XTAL
ENABLE
4
7
5 10
6 12
7 13
DETECT1
SIGIN
VSS
DETECT2
8 15
VDD
Type
input
output
input
output
input
power
output
power
Description
Input to the on-chip oscillator, for external Xtal circuit or clock
Output of the on-chip oscillator inverted
A logic 1 applied to this input enables the decoder and detection outputs. A
logic 0 pulse of at least 1µs applied to this input resets the decoder circuits
and forces both DETECT1 and DETECT2 outputs to a logic 0.
When a Call Progress signal is detected, DETECT1 output state changes to a
logic 1
Signal input. Signals to this pin should be ac coupled. The dc bias of this pin
is set internally.
Negative supply
Output used in conjunction with DETECT1.
When a Call Progress High Band signal is detected and DETECT1 output
state is a logic 1, then DETECT2 output state changes to a logic 1.
When a Non Call Progress signal is detected and DETECT1 output state is a
logic 0, then DETECT2 output state changes to a logic 0.
Positive supply. This pin should be bypassed to VSS by a capacitor mounted
close to the device pins.
Table 1: Signal List
© 1997 MX•COM Inc.
www.mxcom.com Tele: 800 638-5577 910 744-5050 Fax: 910 744-5054
Doc. # 20480135.003
4800 Bethania Station Road, Winston-Salem, NC 27105-1201 USA
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