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參數資料
| 型號： | W91F820LN |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS |
| 中文描述： | TELEPHONE DIALER CKT, PDIP20 |
| 封裝： | 0.300 INCH, PLASTIC, DIP-20 |
| 文件頁數： | 1/20頁 |
| 文件大小： | 231K |
| 代理商： | W91F820LN |
Preliminary W91F820N SERIES
13-FLASH MEMORY TON/PULSE DIALER WITH
HANDFREE, LOCK AND HOLD FUNCTIONS
Publication Release Date: January 1999
- 1 -
Revision A1
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
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
The read-write times: 10
4
Pulse-to-tone (*/T) keypad for long distance call operation
Chain dialing
Uses 5
×
5 keyboard
Easy operation with redial, flash, pause, and */T keypads
Pause, P
→
T (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
20-pin 300 mil, or 22-pin 400 mil dual-in-line plastic package
The different dialers in the W91F820N series are shown in the following table:
TYPE NO.
PULSE
(PPS)
10
10
10
10
20
20
LOCK
KEY
TONE
√
√
-
-
√
√
HANDFREE
DIALING
-
√
-
√
-
√
PACKAGE
(PINS)
20
22
20
22
20
22
W91F820N
W91F820AN
W91F820LN
W91F820ALN
W91F822N
W91F822AN
-
-
√
√
-
-
相關PDF資料 |
PDF描述 |
|---|---|
| W91F820N | 13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS |
| W91F822AN | 13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS |
| W91F822N | 13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS |
| W91F840N | 23-Flash Memory Tone/Pulse Dialer With Handfree,Hold And Lock Functions(具有23個閃速存儲器、免提、保持和上鎖功能的音頻/脈沖撥號器) |
| W91F841ALN | 23-Flash Memory Tone/Pulse Dialer With Handfree,Hold And Lock Functions(具有23個閃速存儲器、免提、保持和上鎖功能的音頻/脈沖撥號器) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W91F820N | 制造商:WINBOND 制造商全稱:Winbond 功能描述:13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS |
| W91F820NSERIES | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:13-FLASH MEMORY TON/PULSE DIALER WITH HANDFREE. LOCK AND HOLD FUNCTIONS |
| W91F822AN | 制造商:WINBOND 制造商全稱:Winbond 功能描述:13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS |
| W91F822N | 制造商:WINBOND 制造商全稱:Winbond 功能描述:13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS |
| W91F840ALN | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telecommunication IC |
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