W9145A Просмотр технического описания (PDF) - Winbond

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W9145A

15-MEMORY TONE/PULSE DIALER WITH LOCK AND HANDFREE FUNCTIONS

Winbond 

W9145 SERIES

15-MEMORY TONE/PULSE DIALER WITH LOCK

AND HANDFREE FUNCTIONS

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

• The different dialers in the W9145 series are shown in the following table:

TYPE NO. PULSE (ppS)

FLASH

B/M

HANDFREE

LOCK

W9145

10

98/305/600

Pin

No

No

W9145A

10

98/305/600

Pin

Yes

No

W9145L

10

98/305/600

Pin

No

Yes

W9145AL

10

98/305/600

Pin

Yes

Yes

PIN CONFIGURATIONS

Publication Release Date: August 1996

-1-

Revision A4

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