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W9145, W9145A, W9145AL

Table of contents:
Info of W9145
Info of W9145A
Info of W9145AL

W9145, W9145A, W9145AL Selling Leads, Datasheet

MFG:WIN Package Cooled:DIP D/C:03+/04+

W9145, W9145A, W9145AL Datasheet download

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Part Number: W9145

MFG: WIN

Package Cooled: DIP

D/C: 03+/04+

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W9145 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.

W9145 Maximum Ratings

PARAMETER	SYMBOL	RATING	UNIT
DC Supply Voltage	V_DD-V_SS	-0.3 to +7.0	V
Input/Output Voltage	V_IL	V_SS -0.3	V
	V_IH	V_DD +0.3	V
	V_OL	V_SS -0.3	V
	V_OH	V_DD+0.3	V
Power Dissipation	P_D	120	mW
Operation Temperature	T_OPR	-20 to +70	°C
Storage Temperature	T_STG	-55 to +150	°C

Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the device.

W9145 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:

W9145 Connection Diagram

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