KS58006
TONE/PULSE DIALER WITH REDIAL
INTRODUCTION
The KS58006 is DTMF/PULSE switchable dialer with a 32-digit redial which
can be done using a slide switch. All necessary dual-tone frequencies are
derived from a 3.579545 MHz TV crystal or ceramic resonator providing very
high accuracy and stability. The required sinusoidal wave form for each in-
dividual tone is digitally synthesized on the chip. The generated wave form
has very low total harmonic distortion (7% max). A voltage reference is
generated on the chip which is stable over the operating voltage and tem-
perature range and regulates the single levels of the dual tone to meet telephone
industry specifications. CMOS technology is applied to this device, for very
low power requirements high noise immunity, and easy interface to a variety
of telephones requiring external components.
18-DIP-300A
FEATURES
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Tone/Pulse switchable (slide switch)
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32-digit capacity for redial
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Automatic mix redialing ( last number dial ) of
PULSE
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DTMF with multiple auto access pause
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PABX auto-pause for 3.5 sec.
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4 X 4 or ( 2 of 8 ) keyboard available
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Two key single tone operation
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Operating Voltage : 2.0 ~ 5.5V
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Numbers dialed manually after redial are cascadable
and stored as additional numbers for next redialing
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Uses inexpensive TV crystal or ceramic resonator
(3.579545MHz)
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Make/Break ratio (33.3 / 66.6) pin selectable
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Touch key hooking (604ms)
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Low standby current
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Improved EMI characteristic
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Improved redial memory quality
ORDERING INFORMATION
Device
KS58006N
Package
18-DIP-300A
Operating Temperature
- 20擄C ~ + 70擄C
PIN CONFIGURATION
R1
1
2
3
4
5
6
7
8
9
KA58006
18
17
16
15
14
13
12
11
10
C4
R2
C3
R3
C2
R4
C1
HS
DP
M/B
X鈥橫UTE
MDS
TONE OUT
OSC IN
V
SS
OSC OUT
V
DD
Fig. 1
KS58006N相關(guān)型號(hào)PDF文件下載
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