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M-985-01P 데이터시트 PDF




Clare Inc.에서 제조한 전자 부품 M-985-01P은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 M-985-01P 자료 제공

부품번호 M-985-01P 기능
기능 Precise Call Progress and Special Information Tone Generator
제조업체 Clare Inc.
로고 Clare  Inc. 로고


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M-985-01P 데이터시트, 핀배열, 회로
Features
Precise detection of call progress tones
Linear (analog) input
Digital (CMOS compatible), tri-state outputs
22-pin DIP and 20-pin SOIC
Single supply 3 to 5 volt (low power CMOS)
Inexpensive 3.58 MHz crystal time base
Wide dynamic range (30 dB)
Lower power consumption (power-down mode)
425 Hz detection
Special Information Tone (SIT) Detection
Applications
Automatic dialers
Dialing modems
Traffic measurement equipment
Test equipment
Service evaluation
Billing systems
M-985-01
Precise Call Progress and
Special Information Tone Generator
Description
The M-985-01 is an integrated circuit precise tone
detector for call progress and special information
tones (SIT), as defined by CCITT.
The use of integrated circuit techniques allows the
M-985-01 to pack the eight filters for call progress
detection into a single 22-pin DIP or a 20-pin SOIC. A
3.58 MHz crystal-controlled time base guarantees
accuracy and repeatability.
The M-985-01 combines the call progress detection of
the M-982-02 and the SIT detection of the M-984-02.
It has an operating voltage range down to 3V. It has
low power consumption under normal operating con-
ditions. A power down (PD) feature is provided to fur-
ther reduce power consumption when inactive.
Ordering Information
Part #
M-985-01P
M-985-01S
M-985-01T
Description
22-pin plastic DIP
20-pin plastic SOIC
20-pin plastic SOIC,Tape and Reel
Pin Diagram
Block Diagram
DS-M985-01-R1
www.clare.com
1




M-985-01P pdf, 반도체, 판매, 대치품
M-985-01
Pin Functions
Pin Function
OUT 1 Active high tri-state output, per Truth Table.
OUT 2 Active high tri-state output, per Truth Table.
OUT 3 Active high tri-state output, per Truth Table
OUT 4 Active high tri-state output, per Truth Table
D425 Active high tri-state output, indicates 425 Hz detection.
EN Active high enabled, when low drives STROBE low.
OE Active high input. When low tri-states OUT n pins.
SIGIN Analog signal input (internally capacitive coupled).
STROBE Active high output, indicates valid OUT n or D425
VDD Most positive power supply input pin.
VREF Internally generated mid-power supply voltage (output)
VSS
X358
Most negative power supply input pin.
Buffered oscillator output (3.58 MHz).
XIN Crystal oscillator or digital clock input.
XOUT
Crystal oscillator output. Used only with a crystal. Use
X358 when clock output signal is required.
XRANGE Active low input. Adds 10 dB of gain to input stage.
MODE
PD
Selects 400/620 Hz detector frequency, 400 Hz when
connected to VSS, 620 Hz when open.
Power down operation, logic high inhibits internal
clock. Internal pulldown resistor.
MODE2 Tie high (VDD) for normal operation. Tie low or leave
open to emulate M-982 operation.
For example, dial tones shown in absolute Maximum
Ratings Table on page 3, are usually “on” continuously
and last until the first dial digit is received by the switch-
ing system. Line Busy, on the other hand, is turned off
and on at a rate of 1 Hz with a 50% duty cycle, or an
interruption rate of 60 times per minute (60 IPM). The
tones can be distinguished in this way. It should be
noted that while such techniques will usually be effec-
tive, there are some circumstances in which the M-985-
01 cannot be accurately used. Examples include
situations where ringback tone may be short or not
even encountered. Ringback may be provided at ring-
ing voltage frequency (20 or 30 Hz) with some harmon-
ics and may not fall in the detect range, and speech or
other strong noise may obscure tones making cadence
measurement difficult.
Standards exist and should be consulted for your par-
ticular application. In North America AT&Ts “Notes on
the Network” or EIA’s RS-464 PBX standard should be
reviewed.
In Europe tone plans may vary with locale, in which
case the CEPT administration in each country must
be consulted. Outside these areas, national PTT
organizations can provide information on the systems
within their borders.
Truth Table
Signal Present (fo)
350 Hz
400 Hz (Note 1)
425 Hz
440 Hz
480 Hz
620 Hz (Note 2)
950 Hz
1400 Hz
1800 Hz
350 & 440 Hz
350 & 480 Hz
350 & 620 Hz (Note 2)
440 & 480 Hz
440 & 620 Hz (Note 2)
480 & 620 Hz (Note 2)
Invalid Tone Combination
Other (no detect)
Any
Mode
X
0
X
X
X
1
X
X
X
X
X
1/open
X
X
X
X
X
X
OUT 1
1
0
X
1
0
1
0
1
0
1
0
1
0
1
0
1
0
0
OUT 2
0
1
X
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
OUT 3
0
0
X
0
1
1
1
1
0
0
0
0
1
1
1
1
0
0
OUT 4
0
0
X
0
0
0
0
0
1
1
1
1
1
1
1
1
0
0
D425
X
X
1
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
Strobe
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
PD
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
OE EN
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
1X
4
www.clare.com
Rev. 1

4페이지










M-985-01P 전자부품, 판매, 대치품
MECHANICAL DIMENSIONS
M-985-01
Tolerances (inches)
Metric
Approximation (mm)
Min Nom Max Min Nom Max
A .210 5.33
A1 .015
.38
b .014
.022 .36
.56
b2 .045 .060 .065 1.1 1.5 1.7
C .009
.015 .23
.38
D 1.065 1.085 1.120 27.1 27.6 28.4
E .390 .415 .425 9.9 10.5 10.8
E1 .330 .360 .390 8.4 9.1 9.9
e .100 BSC
2.54 BSC
ec 0° 15° 15° 0°
15°
L .115 .130 .160 2.9 3.3 4.1
Tolerances
(mm)
SAE approximation
(inches)
Min Max Min
Max
A 2.35
2.65 .0926
.1043
A1 .10
.30 .0040
.0118
b .33
.51 .013
.020
D 12.60 13.00 .4961
.5118
E 7.4
7.6 .2914
.2992
e 1.27 BSC
.050 BSC
H 10.00 10.65 .394
.419
L .40 1.27 .016
.050
Dimensions
mm
(inches)
Rev. 1 www.clare.com
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관련 데이터시트

부품번호상세설명 및 기능제조사
M-985-01

Precise Call Progress and Special Information Tone Generator

Clare  Inc.
Clare Inc.
M-985-01P

Precise Call Progress and Special Information Tone Generator

Clare  Inc.
Clare Inc.

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