TECHNICAL DATA
PULSE DIALER
KK9151-3
The
KK9151-3
pulse dialer is a monolithic CMOS integrated circuit which
converts pushbutton inputs to a series of pulses suitable for telephone dialing.
It is intended to replace mechanical telephone dialers and can operate directly
from telephone lines. CMOS technology is used to produced this device,
resulting in very low power requirements and high noise immunity. The
KK9151-3
can be easily interfaced with a variety of telephones, requiring only
a minimal number of external components.
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Direct telephone line operation
ORDERING INFORMATION
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4 x 3 matrix keyboard interface
KK9151-3N
Plastic
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Supply voltage range of 2.0 to 5.5 volts
T
A
= -20擄 to 70擄 C for package
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Inexpensive RC oscillator
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Low power standby mode for redialing
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22-digit redial memory
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Redial with either * or # key
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Dialer reset for line power breaks > 200 ms
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Selectable make/break ratio
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High speed test capacity
PIN ASSIGNMENT
LOGIC DIAGRAM
KEYBOARD ASSIGNMENT
R1
R2
R3
R4
1
2
3
4
5
6
7
8
9
*
0
#
C1 C2 C3
(*,# : Redial)
PIN 5 = V
CC
PIN 12 = GND
KK9151-3相關(guān)型號(hào)PDF文件下載
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英文版
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