KS58555B
UNIVERSAL 15 MEMORY DIALER
INTRODUCTION
The KS58555B is 15 memory Tone/pulse switchable dialer
with 32 digit redial memory. 16 digit indirect 10 memory
and 16 digit direct 4 memory are possible.
The Flash time is selectable on the keyboard.
Also, Hands-Free and Hold functions are controlled on the
keyboard. The KS58555B can fulfill all the standards of
each country.
22-DIP-400
FEATURES
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Flash Time selectable on the keyboard (100, 303, 604 mS)
Hands-Free and Hold functions
Tone/Pulse switchable
16 digit indirect (Two-touch) 10 memory (PuIse : 16 digit,
Tone : 15 digit)
16 digit direct (One-touch) 4 memory (Pulse : 16 digit,
Tone : 15 digit)
Uses 3.579545MHz Color burst Crystal or ceramic resonator
Pulse rate selectable. (10 pps, 20 pps)
Make/Break ratio selectable (40 : 60, 33 : 66)
Single tone enable for test
Tone (T/•) key function (Pulse
→
Tone)
Redial function (Pulse : 32 digit, Tone : 31 digit)
Pin compatible with KS58006, KS58012, and KS58550
ORDERING INFORMATION
Devic
e
KS58555B
*HFD
*HOLD
*EM
:
:
:
Package
HFD
22-DIP-400
O
HOLD
O
EM
O
Function
Flash Time
Selectable
M/B Ratio
Selectable
PPS
Selectable
Hands Free Dialing Function
Hold for Melody
Emergency Memory
KS58555B
UNIVERSAL 15 MEMORY DIALER
PIN DESCRIPTION
Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
Symbol
R5
R1
R2
R3
R4
HS
M/B
MDS/DRS
OSCI
OSCO
C5
HDO
V
DD
V
SS
TONE
X’
MUTE
DP
C1
C2
C3
C4
HFO
O
Hands-Free Control Output
I
Column Key Input
I
I
I
I
O
I
O
S
S
O
O
O
Hook Switch
Make/Break Select
Mode & Dial Pulse Ratio Select Pin
Oscillator Input
Oscillator Output
Column 5 Input
Hold Function Control Output
(+) Power
(-) Power
Tone Output
Xmute Output (N-Channel Open Drain)
Dial Pulse Output (C-MOS Inverter Output)
I
Row Key Input
I/O
Description
ABSOLUTE MAXIMUM RATINGS
Characteristic
Supply Voltage
Input Voltage
Output Voltage
Power Dissipation
Operating Temperature
Storage Temperature
Symbol
V
DD
V
I
V
O
P
D
T
OPR
T
STG
Value
- 0.3 ~ 7.0
- 0.2 ~ V
DD
+ 0.3
- 0.3 ~ V
DD
+ 0.3
500
- 20 ~ + 70
- 55 ~ + 150
Unit
V
V
V
mW
°C
°C