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參數資料
| 型號： | W91640B |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | 無繩電話/電話 |
| 英文描述： | 5-Memory Tone/Pulse Switchable Dialer(具有5個數碼存儲器的音頻/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： | 9/16頁 |
| 文件大小： | 192K |
| 代理商： | W91640B |
W91640 SERIES
Publication Release Date: July 1996
- 9 -
Revision A1
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATING
UNIT
DC Supply Voltage
V
DD
V
SS
V
IL
-0.3 to +7.0
V
Input/Output Voltage
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
Operating Temperature
T
OPR
-20 to 70
°
C
°
C
Storage Temprature
T
STG
-55 to 125
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
DC CHARACTERISTICS
(V
DD
V
SS
= 2.5V, Fosc. = 3.58 MHz, Ta = 25
°
C, all outputs unloaded)
PARAMETER
Operating Voltage
Operating Current
SYMBOL
V
DD
I
OP
CONDITIONS
MIN.
2.0
-
-
-
TYP.
-
0.5
0.3
-
MAX.
5.5
1.0
0.5
15
UNIT
V
mA
Tone mode
Pulse mode
Standby Current
I
SB
HKS = 0, no load and no key
entry
μ
A
Memory Retention
Current
DTMF Output Voltage
Pre-emphasis
DTMF Distortion
DTMF Output DC
Level
DTMF Sink Current
I
MR
HKS = 1, V
DD
= 1.0V
-
-
0.2
μ
A
V
TO
Row group, R
L
= 5 K
Col/Row, V
DD
= 2.0 to 5.5V
R
L
= 5 K
, V
DD
= 2.0 to 5.5V
R
L
= 5 K
, V
DD
= 2.0 to 5.5V
130
1
-
1.0
150
2
-30
-
170
3
-23
3.0
Vrms
dB
dB
V
THD
V
TDC
I
TL
I
PL
V
TO
= 0.5V
V
PO
= 0.5V
0.2
0.5
-
-
-
-
mA
mA
DP Sink Current
KMUTE, T/P MUTE
Output Sink Current
I
ML
V
MO
= 0.5V
0.5
-
-
mA
HKS I/P Pull High
Resistor
R
KH
-
500
-
K
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