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參數(shù)資料
| 型號(hào)： | W91330LN |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | Tone/Pulse Dialer With Handfree Lock And Key Tone Functions(具有免提鎖住和主鍵音功能的音頻/脈沖撥號(hào)器) |
| 中文描述： | TELEPHONE DIALER CKT, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁(yè)數(shù)： | 3/17頁(yè) |
| 文件大小： | 213K |
| 代理商： | W91330LN |
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W91330N SERIES
Publication Release Date: May 1997
- 3 -
Revision A2
PIN DESCRIPTION
SYMBOL
18-PIN
20-PIN
I/O
FUNCTION
Column-
Row
Inputs
1
4
&
15
18
1
4
&
17
20
I
The keyboard inputs may be used with either the
standard 5
×
4 keyboard or the inexpensive single
contact (Form A) keyboard. Electronic input from a
μ
C can also be used.
A valid key-in is defined as a single row being
connected to a single column.
XT, XT
7, 8
7, 8
I, O
A built-in inverter provides oscillation with an
inexpensive 3.579545 MHz crystal or ceramic
resonator.
T/P
MUTE
9
9
O
The T/P MUTE is a conventional CMOS N-channel
open drain output.
The output transistor is switched on during dialing
sequence, one-key redial break, and flash break
time. Otherwise, it is switched off.
MODE
13
15
I
Pulling mode pin to V
SS
places the dialer in tone
mode.
Pulling mode pin to V
DD
places the dialer in pulse
mode. (10 ppS; 20 ppS for W91331N/W91331AN,
M/B = 40:60)
Floating mode pin places the dialer in pulse mode.
(10 ppS; 20 ppS for W91331N/W91331AN, M/B =
33.3:66.7).
HKS
10
12
I
Hook switch input.
HKS = V
DD
: On-hook state. Chip in sleeping mode,
no operation.
HKS = V
SS
: Off-hook state. Chip enabled for normal
operation.
HKS pin is pulled to V
DD
by internal resistor.
DP
11
13
O
N-channel open drain dialing pulse output.
Flash key will cause DP to be active in either tone
mode or pulse mode.
The timing diagram for pulse mode is shown in
Figure 1(a, b, c, d).
V
DD
, V
SS
14, 6
16, 6
I
Power input pins.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| W91330N | Tone/Pulse Dialer With Handfree Lock And Key Tone Functions(具有免提鎖住和主鍵音功能的音頻/脈沖撥號(hào)器) |
| W91331AN | Tone/Pulse Dialer With Handfree Lock And Key Tone Functions(具有免提鎖住和主鍵音功能的音頻/脈沖撥號(hào)器) |
| W91331N | Tone/Pulse Dialer With Handfree Lock And Key Tone Functions(具有免提鎖住和主鍵音功能的音頻/脈沖撥號(hào)器) |
| W91340AN | 10-Memory Tone/Pulse Dialer With Handfree Lock And Hold Functions(具有10個(gè)數(shù)碼存儲(chǔ)器、免提鎖住和保持功能的音頻/脈沖撥號(hào)器) |
| W91342N | 10-MEMORY TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| W91330N | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TONE/PULSE DIALER WITH HANDFREE LOCK AND KEY TONE FUNCTION |
| W91330NS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Telephone Dialer |
| W91331 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| W91331A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Tone/Pulse Telephone Dialer |
| W91331AN | 制造商:WINBOND 制造商全稱:Winbond 功能描述:TONE/PULSE DIALER WITH HANDFREE LOCK AND KEY TONE FUNCTION |
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