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參數(shù)資料
| 型號： | NTE1731 |
| 廠商： | NTE Electronics, Inc. |
| 英文描述： | Quadruple Operational Amplifier 14-TSSOP 0 to 70 |
| 中文描述： | 集成電路的CMOS 10號脈沖撥號 |
| 文件頁數(shù)： | 1/5頁 |
| 文件大?。?/td> | 29K |
| 代理商： | NTE1731 |
NTE1731
Integrated Circuit
CMOS 10 Number Pulse Dialer
Description:
The NTE1731 is a CMOS LSI repertory dialer with ten 16–digit number memory storage in a 16–Lead
DIP type package. The pulse and mute signal outputs resulting from keyboard input are like those
of a pulse dialer. The NTE1731 incorporates a 64 x 10 bit RAM which is used to store the ten tele-
phone numbers.
When used in a Public Branch Exchange (PBX) system, a Pause function is provided. This function
suspends dial pulse output upon pause detection (via # key input), and resumes the output after one
of the numeric keys is pressed.
Features:
Make Ratio: 30/40% Pin Selectable
Pulse Output: “0” True
Mute Output: “0” True
Stores Ten 16–digit Telephone Numbers
One Temporary Memory and Permanent Memory Storage of Telephone Numbers are Possible
Uses a CR Oscillator as a Frequency Reference
Line Operation Off–Hook, Battery Operation On–Hook
Uses Either a Standard 2–of–7 Matrix Keyboard or a Single Contact Keyboard
PBX Pause Storage
Absolute Maximum Ratings:
Supply Voltage (Note 1), V
DD
Power Dissipation (Note 2), P
D
Maximum Pin Voltage 1 (Note 3), V
in1
Maximum Pin Voltage 2 (Note 4), V
in2
Operating Temperature Range, T
opr
Storage Temperature Range, T
stg
Note 1. Referenced to GND
Note 2. T
A
= +25
°
C
Note 3. The Maximum applicable voltage on any pin with respect to GND
Note 4. The maximum applicable voltage on any pin with respect to V
DD
6.2V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
500mW
–0.3V
+0.3V
–30
°
to +50
°
C
–55
°
to +150
°
C
Recommended Operating Conditions:
Supply Voltage, V
DD
2.6V to 6.0V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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