KS58550

KS58550 UNIVERSAL 10 MEMORY DIALER INTRODUCTION The KS58550 is 10 memory Tone/pulse switchable dialer with 32 digit redial memory. The Flash time is selectable on the keyboard. Also, Hands-Free and Hold function are controlled on the keyboard. The KS58550 can fulfill all the standards of each country. 22-DIP-400 www.DataSheet4U.com FEATURES Flash Time selectable on the keyboard (92, 312, 608 mS) Hands-Free and Hold function Key in Tone function (1.75KHz) Tone/Pulse switchable Pulse rate selectable Make/Break ratio selectable Single tone enable for test Uses 3.579545MHz Color burst Crystal or ceramic resonator Tone (T/ *) key function (Pulse → Tone ) Redial function (Pulse: 32 digit, Tone : 31 digit) Two touch repertory memory (Pulse : 16 digit, Tone : 15 digit) Pin compatible with KS58006, KS58555B ORDERING INFORMATION Function Device Package HFD KS58550 22-DIP-400 O HOLD O KIT O FLASH TIME Selectable MAKE/BREAK Selectable PPS Selectable * HFD : Hands-Free Dialing Function * HOLD : Hold for Melody * KIT : Key In Tone KS58550 BLOCK DIAGRAM UNIVERSAL 10 MEMORY DIALER V DD OSCI OSC OSCO DRIVER M/B COUNTER PULSE COUNTER DP www.DataSheet4U.com M/D HS SYSTEM CLOCK COUNTER CIRCUIT TIMING COUNTER DEBOUNCE CIRCUIT MDS /DRS KIT GEN. WRITE/READ ADDRESS COUNTER KIT C1 C2 C3 C4 R1 R2 R3 R4 R5 REDIAL RAM X`MUTE 4 KEY INPUT INTERFACE CIRCUIT DATA LATCH 10 MEMORY STORE RAM 4 RECALL/LOCATION LATCH & ADDRESS COUNTER ROW, COLUMN SINEWAVE C...