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參數資料
| 型號： | W91580C |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 24-Memory Tone/Pulse Switchable Dialer With Handfree And Hold Functions(具有24個數碼存儲器、免提和保持功能的音頻/脈沖可變換撥號器) |
| 中文描述： | TELEPHONE DIALER CKT, PDIP28 |
| 封裝： | PLASTIC, DIP-28 |
| 文件頁數： | 4/19頁 |
| 文件大小： | 216K |
| 代理商： | W91580C |
W91580 SERIES
- 4 -
Pin Description, continued
SYMBOL
22-PIN
24-PIN
28-PIN
I/O
FUNCTION
HFI, HFO
-
12, 13
14, 15
I, O
Handfree control pins. A low pulse on the HFI
input pin toggles the handfree control state. The
status of the handfree control state is described by
the following table:
CURRENT STATE
Hook SW.
-
On Hook
Off Hook
On Hook
Off Hook
Off Hook
HFO
Low
High
Low
High
-
High
Input
Off Hook
On Hook
On Hook
HFO
High
Low
High
Dialing
Yes
No
Yes
Yes
Yes
No
NEXT STATE
HFI
HFI
HFI
Low
Low
Low
HFI pin is pulled to V
DD
by internal resistor.
KT
-
-
9
O
Keytone signal output. A keytone will be generated
whenever a valid key is pressed. Frequency is 600
Hz and duration is 35 mS.
DRS
-
-
21
I
Dial rate selection.
This pin is pulled to V
DD
by an internal resistor.
DRS
MODE
PIN
TONE/PULSE
DIAL
RATE
M/B
1
0
V
DD
Floating
V
SS
V
DD
Floating
V
SS
Pulse
Pulse
Tone
Pulse
Pulse
Tone
10 ppS
10 ppS
10 ppS
20 ppS
1:2
1:2
1:2
2:3
相關PDF資料 |
PDF描述 |
|---|---|
| W91590 | 24-Memory Tone/Pulse Switchable Dialer With Handfree,Hold And Lock Functions(具有24個數碼存儲器、免提、保持和上鎖功能的音頻/脈沖可變換撥號器) |
| W91610 | TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION |
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| W91620 | 10-MEMORY TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION |
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相關代理商/技術參數 |
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| W9159 | 制造商:Performance Tool 功能描述:38 Piece Ratcheting Screwdriver Set 制造商:PERFORMANCE TOOLS 功能描述:38-PC RATCHETING DRIVER SET |
| W91590 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE, HOLD AND LOCK FUNCTIONS |
| W91590A | 制造商:WINBOND 制造商全稱:Winbond 功能描述:24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE, HOLD AND LOCK FUNCTIONS |
| W91590AL | 制造商:WINBOND 制造商全稱:Winbond 功能描述:24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE, HOLD AND LOCK FUNCTIONS |
| W91590B | 制造商:WINBOND 制造商全稱:Winbond 功能描述:24-MEMORY TONE/PULSE SWITCHABLE DIALER WITH HANDFREE, HOLD AND LOCK FUNCTIONS |
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