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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...

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SeekIC No. : 004545280 Detail

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...

W9145 Data Sheet

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Part Number:
W9145
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



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:


Pinout

Connection Diagram


Specifications

PARAMETER
SYMBOL
RATING
UNIT
DC Supply Voltage
VDD-VSS
-0.3 to +7.0
V
Input/Output Voltage
VIL
VSS -0.3
V
VIH
VDD +0.3
V
VOL
VSS -0.3
V
VOH
VDD +0.3
V
Power Dissipation
PD
120
mW
Operation Temperature
TOPR
-20 to +70
°C
Storage Temperature
TSTG
-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.


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.




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