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W91F820N Datasheet

  • W91F820N

  • 13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...

  • 20頁

  • WINBOND

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Preliminary W91F820N SERIES
13-FLASH MEMORY TON/PULSE DIALER WITH
HANDFREE, LOCK AND HOLD FUNCTIONS
GENERAL DESCRIPTION
The W91F820N is a series of tone/pulse switchable telephone dialers with 13-flash memory, keytone,
hold, lock, and handfree dialing control features. These chips are fabricated using Winbond's high-
performance CMOS technology and thus offer good performance in low-voltage, low-power
operations.
FEATURES
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Tone/pulse switchable dialer
Two by 32 digits redial and save memory
Three by 32 digits one-touch direct repertory flash memory
Ten by 32 digits one-touch direct or two-touch indirect repertory flash memory
4
The read-write times: 10
Pulse-to-tone (*/T) keypad for long distance call operation
Chain dialing
Uses 5
脳
5 keyboard
Easy operation with redial, flash, pause, and */T keypads
Pause, P鈫扵 (pulse-to-tone) can be stored as a digit in memory
Dialing rate:10 ppS or 20 pps by mask option
Minimum tone output duration: 93 mS
Minimum intertone pause: 93 mS
Pause time: 3.6 sec.
Flash break time (73 mS, 100 mS, 300 mS, or 600 mS) selectable by keypad; pause time is 1.0 S
Make/break ratio (2:3 or 1:2) selectable by MODE pin
Mute key for speech network mute
No key will be accepted except the "HOLD" key when in the Hold mode
Key tone output for valid keypad entry recognition
On-chip power-on reset
Uses 3.579545 MHz crystal or ceramic resonator
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20-pin 300 mil, or 22-pin 400 mil dual-in-line plastic package
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The different dialers in the W91F820N series are shown in the following table:
TYPE NO.
W91F820N
W91F820AN
W91F820LN
W91F820ALN
W91F822N
W91F822AN
PULSE
(PPS)
10
10
10
10
20
20
LOCK
-
-
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-
-
KEY
TONE
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-
-
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HANDFREE
DIALING
-
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-
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PACKAGE
(PINS)
20
22
20
22
20
22
-1-
Publication Release Date: January 1999
Revision A1

W91F820N相關型號PDF文件下載

  • 型號
    版本
    描述
    廠商
    下載
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND [W...
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND [W...
  • 英文版
    13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND
  • 英文版
    13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND [W...
  • 英文版
    13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND
  • 英文版
    13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND [W...
  • 英文版
    ETC
  • 英文版
    Telecommunication IC
    ETC
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND [W...
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND [W...
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND [W...
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND [W...
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND
  • 英文版
    23-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HO...
    WINBOND [W...

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