W91570DN

Features: · Three by 32 digits for redial, save and mercury memory· Twenty by 16 digits for one-touch direct or two-touch indirect repertory memory· Uses 6 ×10 keyboard· Pause, Pulse-to-tone (*/T) and flash can be stored as a digit in memory· Minimum tone output duration: 87 mS· Minimum intertone ...

product image

W91570DN Picture
SeekIC No. : 004545293 Detail

W91570DN: Features: · Three by 32 digits for redial, save and mercury memory· Twenty by 16 digits for one-touch direct or two-touch indirect repertory memory· Uses 6 ×10 keyboard· Pause, Pulse-to-tone (*/T) a...

floor Price/Ceiling Price

Part Number:
W91570DN
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: 2024/3/27

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:

· Three by 32 digits for redial, save and mercury memory
· Twenty by 16 digits for one-touch direct or two-touch indirect repertory memory
· Uses 6 ×10 keyboard
· Pause, Pulse-to-tone (*/T) and flash can be stored as a digit in memory
· Minimum tone output duration: 87 mS
· Minimum intertone pause: 87 mS
· Tone/Pulse mode pin selectable
· Make/Break ratio pin selectable
· Dialing rate (10 or 20 ppS) pin selectable
· Pause time (2.0 or 3.6 Sec) selectable by keypad
· Flash break time (100, 300, or 600 mS) selectable by keypad
· Built-in 12 or 16-digit LCD driver (1/4 duty, 1/3 bias) selectable by mask option
· Built-in calling timer from [00:00] to [59:59]
· Uses 3.579545 MHz TV quartz crystal or ceramic resonator
· Uses 32768 Hz crystal as RTC frequency base
· Packaged in 80-pin plastic QFP with RTC
· Provides one-key-redial and auto-redial functions
· Switchable 24-hour clock or 12-hour clock with p.m. mode
· 0 or 9 dialing inhibition pin for PABX systems or long distance dialing lock out
· On-hook debounce: 150 msec in normal mode and 20 msec in lock mode
· Off-hook delay 300 mS in lock mode (i.e. DP will keep low for 300 mS while off hook)
· First key-in delay: 300 msec in lock mode
· MUTE key for speech mute
· Cascade and mixed dialing allowed
· The functions of the different dialers in the W91570DN 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 W91570DN series ICs are Si-gate CMOS ICs that provide the signals needed for either pulse or tone dialing. They feature 23 number memories and a 16-digit LCD driver for displaying telephone numbers and calling time. A real time clock is included to display the time of day. The W91570DN series is fabricated using CMOS technology providing good performance in low voltage, low power applications.




Customers Who Bought This Item Also Bought

Margin,quality,low-cost products with low minimum orders. Secure your online payments with SeekIC Buyer Protection.
LED Products
Static Control, ESD, Clean Room Products
Transformers
Optoelectronics
View more