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M-88L70-01S 데이터시트 PDF




Clare Inc.에서 제조한 전자 부품 M-88L70-01S은 전자 산업 및 응용 분야에서
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부품번호 M-88L70-01S 기능
기능 3V DTMF Receiver
제조업체 Clare Inc.
로고 Clare  Inc. 로고


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M-88L70-01S 데이터시트, 핀배열, 회로
M-88L70
3V DTMF Receiver
Features
Operates between 2.7 and 3.6 volts
Low power consumption
Power-down mode
Inhibit mode
Central office quality and performance
Inexpensive 3.58 MHz time base
Adjustable acquisition and release times
Dial tone suppression
Functionally compatible with Clare’s M-8870
Applications
Telephone switch equipment
Mobile radio
Remote control
Paging systems
PCMCIA
Portable TAD
Remote data entry
Description
The M-88L70 monolithic DTMF receiver offers small size,
low power consumption and high performance, with 3 volt
operation. Its architecture consists of a bandsplit filter
section, which separates the high and low group tones,
followed by a digital counting section which verifies the
frequency and duration of the received tones before
passing the corresponding code to the output bus.
Ordering Information
Part #
M-88L70-01P
M-88L70-01S
M-88L70-01T
Description
18-pin plastic DIP
18-pin SOIC
18-pin SOIC, Tape and Reel
Figure 1 Pin Connections
The M-88L70 is a full DTMF Receiver that integrates
both bandsplit filter and decoder functions into a single
18-pin DIP or SOIC package. Manufactured using
CMOS process technology, the M-88L70 offers low
power consumption (18 mW max), precise data handling
and 3V operation. Its filter section uses switched capaci-
tor technology for both the high and low group filters and
for dial tone rejection. Its decoder uses digital counting
techniques to detect and decode all 16 DTMF tone pairs
into a 4-bit code. External component count is minimized
by provision of an on-chip differential input amplifier,
clock generator, and latched tri-state interface bus.
Minimal external components required include a low-cost
3.579545 MHz color burst crystal, a timing resistor, and a
timing capacitor.
Figure 2 Block Diagram
DS-M88L70-R1
www.clare.com
1




M-88L70-01S pdf, 반도체, 판매, 대치품
M-88L70
Absolute Maximum Ratings
Parameter
Symbol
Value
Power supply voltage
(VDD - VSS)
VDD 6.0 V max
Voltage on any pin
Vdc VSS -0.3 Min,
VDD +0.3 Max
Current on any pin
IDD 10 mA max
Operating temperature
TA -40˚C to + 85˚C
Storage temperature
TS -65˚C to + 150˚C
Note:
Exceeding these ratings may cause permanent damage. Functional operation under these condi-
tions is not implied.
Absolute Maximum Ratings are stress ratings. Stresses
in excess of these ratings can cause permanent dam-
age to the device. Functional operation of the device at
these or any other conditions beyond those indicated in
the operational sections of this data sheet is not implied.
Exposure of the device to the absolute maximum ratings
for an extended period may degrade the device and
effect its reliability.
Table 4 DC Characteristics
PARAMETER
SYMBOL MIN TYP MAX
Operating supply voltage
VDD 2.7 3.0
Operating supply current
IDD - 3.0
Standby supply current
IDDS - 5.0
Power consumption
PO - 9
Low level input voltage
VIL -v -
High level input voltage
VIH 2 -
Input leakage current
IIH/IIL
- 0.1
Pullup (source) current on OE
ISO -12 -
Pull down (sink) Curent PD
IPD - 1.0
Pull down (sink) Current INH
IINH - 1.0
Input impedance, signal inputs 1, 2
RIN
- 10
Steering threshold voltage
VTSt - 1.5
Low level output voltage
VOL - 0.1
High level output voltage
VOH 2.4 2.6
Output high (source) current
IOH 1.0
Output voltage VREF
VREF - 1.5
Output resistance VREF
ROR - 10
Notes:
1. All voltages referenced to VSS unless otherwise noted. For typical values, VDD = 3.0 V + 20%/-10%, VSS = 0 V, TA = 25˚C
2. Input pins defined as IN+, IN-, and OE.
3.6
5.0
10
18
1.0
-
-
-
45
45
-
-
0.4
-
-
-
-
UNITS
V
mA
µA
mW
V
V
µA
µA
µA
µA
M
V
V
V
mA
V
k
TEST CONDITIONS
PD=VDD
VDD = 3.0 V
VDD = 3.0 V
VIN = VSS or VDD (see Note 2)
OE = 0 V
PD = 3.0 V
INH = 3.0 V
@ 1 kHz
IOL = 1.0 mA
IOH = -400 mA
VOUT = 2.5 V @ VDD = 2.7 V
No load
4
www.clare.com
Rev. 1

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M-88L70-01S 전자부품, 판매, 대치품
Figure 7 Differential Input Configuration
M-88L70
Figure 8 Common Crystal Connection
Figure 9 Package Dimensions
Tolerances
Inches
Metric (mm)
Min Max Min Max
A .210 5.33
A1 .015
.38
b .014
.022 . 36
.56
b2 .045
.070 1.1
1.7
C .008
.014 . .20
.36
D .880
.920 23.35
23.37
E .300
.325 7.62
8.26
E1 .240
.280 6.10
7.11
e .100 BSC
2.54 BSC
ec 0˚
15˚ 0˚
15˚
L .115
.150 2.92
3.81
Tolerances
Inches
Metric (mm)
Min Max Min
Max
A .0926
.1043 2.35
2.65
A1 .0040
.0118 .10
.30
b .013
.020 .33
.51
D .4469
.4625 11.35
11.75
E .2914
.2992 7.4
7.6
e .050 BSC
1.27 BSC
H .394
.419 10.00
10.65
L .016
.050 .40
1.27
Rev. 1 www.clare.com
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관련 데이터시트

부품번호상세설명 및 기능제조사
M-88L70-01P

3V DTMF Receiver

Clare  Inc.
Clare Inc.
M-88L70-01S

3V DTMF Receiver

Clare  Inc.
Clare Inc.

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