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W9145AL Datasheet

Part NameDescriptionManufacturer
W9145AL 15-MEMORY TONE/PULSE DIALER WITH LOCK AND HANDFREE FUNCTIONS Winbond
Winbond Winbond
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GENERAL DESCRIPTION
The W9145 series are Si-gate CMOS ICs that provide the necessary signals for either pulse or tone dialing. The W9145 series feature a key tone function, handfree dialing, a lock function, thirteen 16-digit automatic dialing memories, and two by 32-digit for redial and save memory.

FEATURES
· DTMF/Pulse switchable dialer
· Two by 32 digits for redial and save memory
· Three by 16 digits for one-touch direct repertory
· Ten by 16 digits for two-touch indirect repertory
· Unlimited dialing length (redial inhibited if dialing length exceeds 32 digits in normal dialing)
· Auto Pause Access for PBX and toll service operations (3.1 seconds per pause)
· Easy operation with redial, store, auto and pause keypads
· Key tone output for recognition of valid keypad entry
· Call disconnect (CD) key for line break operation
· Mute key for speech mute
· Flash time: 98 mS, 305 mS or 600 mS
· Minimum tone output duration: 93 mS
· Minimum intertone pause: 93 mS
· 0 or 9 dialing inhibition pin for PABX system or long distance dialing lock out
· Automatic switching from pulse mode to tone mode by */T key operation
· Break/make ratio pin selectable
· Uses Form A keyboard or standard 5 ´5 matrix keyboard
· Uses inexpensive 3.579545 MHz television color-burst crystal
· Internally generated power-on reset
· Packaged in 22/24-pin DIP

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