Position: Home  > All Categories> Integrated Circuits (ICs) > W91550DN

W91550DN

Features: · Tone/pulse switchable dialer· Two by 32-digit redial and save memory (or mercury memory)· Three by 16-digit one-touch direct repertory memory· Ten by 16-digit two-touch indirect repertory memory· Memory check function· Save/mercury function selected by pin option· Typical interdigit pa...

product image

W91550DN Picture
See larger image
SeekIC No. : 004545289 Detail

W91550DN: Features: · Tone/pulse switchable dialer· Two by 32-digit redial and save memory (or mercury memory)· Three by 16-digit one-touch direct repertory memory· Ten by 16-digit two-touch indirect repertor...

W91550DN Data Sheet

floor Price/Ceiling Price

Get Latest Price
Part Number:
W91550DN
Supply Ability:
5000

Price Break

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

SeekIC Buyer Protection PLUS - newly updated for 2013!

  • Escrow Protection.
  • Guaranteed refunds.
  • Secure payments.
  • Learn more >>

Month Sales

268 Transactions

Rating

evaluate  (4.8 stars)

Upload time: 2024/12/21

add to my favourite

Payment Methods

All payment methods are secure and covered by SeekIC Buyer Protection PLUS.

Notice: When you place an order, your payment is made to SeekIC and not to your seller. SeekIC only pays the seller after confirming you have received your order. We will also never share your payment details with your seller.
Product Details

Description



Features:

· Tone/pulse switchable dialer
· Two by 32-digit redial and save memory (or mercury memory)
· Three by 16-digit one-touch direct repertory memory
· Ten by 16-digit two-touch indirect repertory memory
· Memory check function
· Save/mercury function selected by pin option
· Typical interdigit pause (IDP): 800 msec (10 ppS) in pulse mode
· Uses 4 × 7 keyboard
· Mute key for secrecy control
· Minimum tone output duration/inter-tone pause: 87/87 mS
· Flash pause time: 1.2 sec.
· Flash break time (98, 300, 600 msec) selectable by keypad
· Pause time (2.0, 3.6, 4.0 sec.) selectable by mask option
· Pulse-to-tone (*/T) keypad for long distance call operation
· 0 or 9 dialing inhibition pin for PABX system or long distance dialing lock out
· Make/break ratio selected by pin option
· Built-in 10-digit LCD driver for telephone number display and calling time (1/3 duty, 1/2 bias)
· Built-in calling time from (00:00) to (59:59)
· On-chip power-on reset and clear LCD
· On hook debounce: 250 msec in normal mode (20 msec in lock mode)
· First key-in delay: 300 msec in lock mode
· Uses 3.579545 MHz crystal or ceramic resonator
· Packaged in 64-pin QFP
· The different dialers in the W91550DN 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 W91550DN series are Si-gate CMOS IC tone/pulse switchable dialers containing 13 number memories and a 10-digit LCD driver for displaying telephone numbers and calling time, including a 16-digit ×3 one-touch memory, 16-digit ´ 10 two-touch memory dialing, and 32-digit×2 redial and save memory. W91550DN also provide a secrecy key, flash, two-way handfree dialing, one-key redial, hold and lock functions.




Customers Who Bought This Item Also Bought

Margin,quality,low-cost products with low minimum orders. Secure your online payments with SeekIC Buyer Protection.
You may also be interested in :
Soldering, Desoldering, Rework Products
TGK-900M-B
TGK-900M-1.6D
Undefined Category
VI-B63-IU
X27 589
Static Control, ESD, Clean Room Products
DPA5
PA800-A41
Optical Inspection Equipment
AA924
A21K4B
Power Supplies - Board Mount
HC-06
PM150RSA060-S81AH0G
Circuit Protection
A50QS75-4Y
F-17*77
View more