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W91473

Features: · DTMF/Pulse switchable dialer· 32-digit LNB (last number buffer) memory· 32-digit mercury memory· 16-digit ×3 one-touch direct repertory memory· 16-digit× 10 direct repertory memory· Uses 7 × 5 keyboard· Flash time: 98 mS, 305 mS, or 600 mS (selectable by keypad option)· Minimum tone ou...

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SeekIC No. : 004545283 Detail

W91473: Features: · DTMF/Pulse switchable dialer· 32-digit LNB (last number buffer) memory· 32-digit mercury memory· 16-digit ×3 one-touch direct repertory memory· 16-digit× 10 direct repertory memory· Uses...

W91473 Data Sheet

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Part Number:
W91473
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/20

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Product Details

Description



Features:

· DTMF/Pulse switchable dialer
· 32-digit LNB (last number buffer) memory
· 32-digit mercury memory
· 16-digit ×3 one-touch direct repertory memory
· 16-digit× 10 direct repertory memory
· Uses 7 × 5 keyboard
· Flash time: 98 mS, 305 mS, or 600 mS (selectable by keypad option)
· Minimum tone output duration: 93 mS
· Minimum intertone pause: 93 mS
· On-chip power-on reset
· Uses 3.579545 MHz crystal or ceramic resonator
· Packaged in 22, 24, or 28-pin plastic DIP
· The different dialers in the W91473 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 W91473 series are Si-gate CMOS IC tone/pulse switchable dialers containing a 14-channel automatic dialing memory, including a 16-digit ×3 emergency dialing memory and a 16-digit ×10 channel repertory memory that provides a 32-digit mercury memory. W91473 series dialers also provide flash, clear, hold, lock, and one-key redial functions.




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