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參數資料
| 型號： | W91F843AN |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 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) |
| 中文描述： | TELEPHONE DIALER CKT, PDIP28 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件頁數： | 1/23頁 |
| 文件大小： | 207K |
| 代理商： | W91F843AN |
W91F840N SERIES
23-FLASH MEMORY TONE/PULSE DIALER WITH
HANDFREE, LOCK AND HOLD FUNCTIONS
GENERAL DESCRIPTION
The W91F840N is a series of tone/pulse switchable telephone dialers with 23-flash memory, keytone,
two store key function, hold, lock, mute, volume control 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.
Publication Release Date: July 1999
- 1 -
Revision A2
FEATURES
Tone/pulse switchable dialer
Two by 32 digits redial and save memory
Three by 32 digits one-touch direct repertory flash-memory
Twenty 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 6
×
6 or 7
×
7 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 or 20 ppS by mask option
Minimum tone output duration: 93 mS
Minimum intertone pause: 93 mS
Pause time: 3.6 sec.
Two store key function. (S1 and S2)
Flash break time (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
4-level volume control by V1 and V2 pin - default value is zero
Key tone output for valid keypad entry recognition
On-chip power-on reset
Uses 3.579545 MHz crystal or ceramic resonator
22-pin 400 mil, 24-pin 600 mil or 28-pin 600 mil dual-in-line plastic package
The different dialers in the W91F840N series are shown in the following table:
TYPE NO.
PULSE
(ppS)
10
10
10
10
10
10
20
20
20
FLASH-MEMORY
LOCK
KEY
TONE
√
√
-
-
√
-
√
√
√
HANDFREE
DIALING
-
√
-
√
√
√
-
√
√
VOLUME
CONTROL
-
-
-
-
√
√
-
-
√
PACKAGE
(PINS)
22
24
22
24
28
28
22
24
28
W91F840N
W91F840AN
W91F840LN
W91F840ALN
W91F841AN
W91F841ALN
W91F842N
W91F842AN
W91F843AN
13 one touch, 10 two touch
13 one touch, 10 two touch
13 one touch, 10 two touch
13 one touch, 10 two touch
23 one touch
23 one touch
13 one touch, 10 two touch
13 one touch, 10 two touch
23 one touch
-
-
√
√
-
√
-
-
-
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