參數(shù)資料
型號(hào)： W91521A
英文描述： Tone/Pulse Telephone Dialer
中文描述： 音頻/脈沖電話(huà)撥號(hào)器
文件頁(yè)數(shù)： 7/16頁(yè)
文件大?。?/td> 193K
代理商： W91521A
W91520N SERIES
Publication Release Date: May 1997
- 7 -
Revision A3
finished,
otherwise, D1, D2, ..., Dn will be duplicated to the save memory.
Flash
OFF HOOK
(or
ON HOOK
&
HFI
),
Fn
1. Fn = F1, ..., F4
2. The dialer will execute a flash break time of 600 mS (F1), 100 mS (F2), 300 mS (F3), or 73 mS
(F4). In each case the flash pause time is 1.0 sec. before the next digit is dialed out.
3. Flash key cannot be stored as a digit in memory. The flash key has first priority among the
keyboard
functions.
4. The system will return to the initial state after the flash pause time is finished.
5. The flash function timing diagram is shown in Figure 7.
HOLD
OFF HOOK
(or
ON HOOK
&
HFI
),
H
The HOLD is switched on and off by hold key. The other keypads will be disabled when in hold mode.
The function timing diagram is shown in Figure 3(a, b, c).
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATING
UNIT
DC Supply Voltage
V
DD
V
SS
-0.3 to +7.0
V
Input/Output Voltage
V
IL
V
SS
-0.3
V
V
IH
V
DD
+0.3
V
V
OL
V
SS
-0.3
V
V
OH
V
DD
+0.3
V
Power Dissipation
P
D
120
mW
Operation Temperature
T
OPR
-20 to +70
°
C
Storage Temperature
T
STG
-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.
相關(guān)PDF資料
PDF描述
W91520AN TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION
W91520N TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION
W91521AN TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION
W91521N TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION
W91540 Tone/Pulse Telephone Dialer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
W91521AN 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION
W91521N 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION
W91530 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:13-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK,AND HANDFREE FUNCTION
W91530A 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:Tone/Pulse Telephone Dialer
W91530AN 制造商:WINBOND 制造商全稱(chēng):Winbond 功能描述:13-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK,AND HANDFREE FUNCTION
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