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KS58555B

UNIVERSAL 15 MEMORY DIALER

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
· · · · · · · · · · · · 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
BLOCK DIAGRAM
UNIVERSAL 15 MEMORY DIALER
OSCI OSCO M / B OSC DIVIDER
PU LSE COUNTER
HS CONTROL CIRCUIT MDS / DRS
SYSTEM C LOCK
TIMING COUNTER
DEBOUNCE CIRCUIT
C1 C2 C3 C4 C5 R1 R2 R3 R4 R5 KEY INPUT INTERFACE CIRCUIT
RECALL / LOCATION LATCH & ADDRESS COUNTER
14 MEMORY STORE RAM
ROW, COLUMN SINEWAVE COUNTER & D / A CONVERTER
HANDS FREE & HOLD CONTROL OUTPUT
KS58555B
UNIVERSAL 15 MEMORY DIALER
PIN CONFIGURATION
R5 R1 R2 R3 R4 HS M / B MDS / DRS OSCI OSCO C5
ARRANGEMENT OF KEY BOARD
SELECTION FUNCTION
PIN CONNECTION VDD MDS / DRS OPEN VSS MAKE / BREAK VDD VSS PULSE MODE / 20 PPS PULSE MODE / 10 PPS TONE MODE 1 : 2 (M : B) 2 : 3 (M : B) FUNCTION
KS58555B
UNIVERSAL 15 MEMORY DIALER
PIN DESCRIPTION
ABSOLUTE MAXIMUM RATINGS
Characteristic Supply Voltage Input Voltage Output Voltage Power Dissipation Operating Temperature Storage Temperature Symbol VDD VI VO PD T OPR T STG Value - 0.3 ~ 7.0 - 0.2 ~ VDD + 0.3 - 0.3 ~ VDD + 0.3 500 - 20 ~ + 70 - 55 ~ + 150 Unit V V V mW °C °C
KS58555B
ELECTRICAL CHARACTERISTICS
UNIVERSAL 15 MEMORY DIALER
Min 2.0 1.0 1.7 0.5 1.8 1.7 0.8VDD VSS 1 -18 -18 -
Typ 0.05 0.1 0.4 10 5.0 1.5 5.2 5.1 2 1 33.3 3.6 600 800 103.5 101 3.6 33.5 / 67.0 40.2 / 60.3 16.7 / 33.5 20.1 / 30.2
Max 6.0 0.1 0.3 0.7 50 VDD 0.2VDD 50 30 3 -16 -16 4 -
KS58555B
UNIVERSAL 15 MEMORY DIALER
ELECTRICAL CHARACTERISTICS
APPLICATION INFORMATION KEY DESCRIPTION
· 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 These are Tone / Pulse dialing signal keys in normal mode. · T / U Pulse Mode : Pulse to Tone Switching Key Tone Mode : Data Key ·# Pulse Mode : No Operation Tone Mode : Data key · EM1, EM2, EM3, EM4 DIRECT REPERTORY DIALING KEY. The cascade 32 digit dialing is available and the exceed 32 digit dialing accepted one by one after all 32 digits is dialed out. In store mode, preseing EM1 ~ EM4 key will cause the 16 digits of buffer memory storing to corresponding repertory memory. · RD / P KEY If press this key first after off- hook, it will operate as a redial key, otherwise it will operate as a pause key. · ST : Store This key will accept as store key if press it first key after off or on - hook. The store mode will be released by pressing this key again or hooking once. R / L This key will be allowed recall or location selection in indirect memory operation
KS58555B
UNIVERSAL 15 MEMORY DIALER
HFI Hands-Free dialing input. Hands-Free dialing output controlled by the keyboard (HFl) HDI Hold function input. Hold function controlled by the keyboard (HDl). The output will control the melody enable.
KEYBOARD AND SWITCHE OPERATION
KS58555B
UNIVERSAL 15 MEMORY DIALER
TRUTH TABLE OF HANDS-FREE INPUT & HOLD FUNCTION
KS58555B
UNIVERSAL 15 MEMORY DIALER
TIMING DIAGRAM
1) PULSE MODE
KEY INPUT 1 2 F RD
2) TONE MODE
KEY INPUT 1 P 3 RD
tPA tTD
KS58555B
3) PULSE TO TONE DIALING
UNIVERSAL 15 MEMORY DIALER
MDS / DRS
4) HANDS-FREE DIALING & HOLD FUNCTION
HDI KEY INPUT
UNIVERSAL 15 MEMORY DIALER
R1 TIP
R12 47OK R13 12OK
R21 150
R4 300K
2 R1 R2 R3 C2 C1 DP 16 MUTE
Q4 C945 C6 104
R23 15
RXO ROF 13
R36 330 C13 103 K 14 BIAS A RXI 8 5 0 CC 12 4 R35 33K
Q2 C945
R22 43
R6 470K C4 104 SW2
R37 3.3K
8 MODE TONE
R14 20K R15 5.1K C7 123
R19 82K
MIC 11 VR VDD 13
MIC+ 10 8
R38 390K
C15 330
10 OCO
R8 6.8K
GND 11 KIT HOLDO 12
R16 47K Q5 C945 3 IC3 2 MELODY 1 KS531A
MIC + 100K R10 100K
Q3 C1009Y
C20 104
APPLICATION CIRCUIT
KS58555B
KA8602B
INT2 OUT VCC
KS58555B
KA2418B
R42 3K