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參數(shù)資料
| 型號： | W91590 |
| 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,Hold And Lock Functions(具有24個數(shù)碼存儲器、免提、保持和上鎖功能的音頻/脈沖可變換撥號器) |
| 中文描述： | TELEPHONE DIALER CKT, PDIP22 |
| 封裝： | PLASTIC, DIP-22 |
| 文件頁數(shù)： | 4/20頁 |
| 文件大小： | 226K |
| 代理商： | W91590 |
W91590 SERIES
- 4 -
Pin Description, continued
SYMBOL
LOCK
22-PIN
17
(For
W91590L)
24-PIN
19
(For
W91590AL)
28-PIN
22
(For
I/O
I
FUNCTION
W91590BL/CL)
The function of this pin is as follows:
LOCK PIN
V
DD
Floating
V
SS
FUNCTION
"0","9" dialing inhibited
Normal dialing
"0" dialing inhibited
DTMF
14
16
18
O In pulse mode, remains in low state at all
times. In tone mode, outputs a dual or single
tone. Detailed timing diagram for tone mode
is shown in Figure 2.
OUTPUT FREQUENCY
Specified
Actual
Error%
R2
R3
R4
C1
C2
C3
697
770
852
941
1209
1336
1477
699
766
848
948
1216
1332
1472
+0.28
-0.52
-0.47
+0.74
+0.57
-0.30
-0.34
R1
V
DD,
V
SS
HFI, HFO
16, 8
-
18, 8
12, 13
20, 10
14, 15
I
Power input pins.
I, O Handfree control pins. A low pulse on the
HFI input pin toggles the handfree control
state. Status of the handfree control state is
listed in 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.
The detailed timing is shown in Fig 3.
O Key tone signal output. A key tone will be
generated whenever a valid keys is pressed.
Frequency is 600 Hz and duration is 35 mS.
KT
-
-
9
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W91610 | TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION |
| W91611 | TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION |
| W91620 | 10-MEMORY TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION |
| W91621 | 10-MEMORY TONE/PULSE DIALER WITH TWO-STAGE REDIAL FUNCTION |
| W91631 | 10-MEMORY TONE/PULSE DIALER WITH REDIAL FUNCTION |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| W91590BL | 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 |
| W91590C | 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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