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意法半导 STMicro
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Part No. |
M3541 1047
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OCR Text |
...WITH INEXPENSIVE SINGLE CONTACT keypad OF BATTERY-LESS OPERATION. LOW POWER CMOS PROCESS ALLOWS DIRECT OPERATION FROM TELEPHONE LINES
DIP20
SO20
ORDERING NUMBERS : M3541B/1 M3541D
PIN CONNECTION (Top view)
DESCRIPTION The M35... |
Description |
Single Number Pulse Tone Switchable Dialer(脉冲语音开关拨号器) From old datasheet system
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File Size |
168.62K /
12 Page |
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it Online |
Download Datasheet
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E-Lab
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Part No. |
EDE1144
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OCR Text |
keypad Encoder IC
4 x 4 Matrix keypad Encoder IC
EDE1144
RS-232 Output 1 0=2400, 1=9600 Baud 2 Connect to +5V 3 Connect to +5V 4 Digital Ground 5 Row 0 Output 6 Row 1 Output 7 Row 2 Output 8 Row 3 Output 9 XMIT Baud +5V +5V GND R0 R1 R... |
Description |
keypad Encoder IC
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File Size |
85.85K /
7 Page |
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it Online |
Download Datasheet
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Zarlink Semiconductor
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Part No. |
MA5883
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OCR Text |
...E DIALLER CHIP
The MA5883 is a keypad switchable LD/DTMF dialler device with Last Number Redial facility and 20, 24-digit memories, 10 accessible via dedicated keys. www.DataSheet4U.com Three operating modes are available: LD mode, with th... |
Description |
20 Memory LD/DTMF Switchable Dialler Chip
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File Size |
182.98K /
12 Page |
View
it Online |
Download Datasheet
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Price and Availability
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