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参数资料
| 型号： | W91820N/824N |
| 厂商： | WINBOND ELECTRONICS CORP |
| 元件分类： | 无绳电话/电话 |
| 英文描述： | TELEPHONE DIALER CKT, PDIP20 |
| 封装： | PLASTIC, DIP-20 |
| 文件页数： | 2/22页 |
| 文件大小： | 260K |
| 代理商： | W91820N/824N |
W91820N SERIES
- 10 -
DC CHARACTERISTICS
(VDD
VSS = 2.5V, Fosc. = 3.58 MHz, TA = 25° C, all outputs unloaded)
PARAMETER
SYM.
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Operating Voltage
VDD
-
2.0
-
5.5
V
Operating Current
IOP
Tone
-
0.4
0.6
mA
Pulse
-
0.2
0.4
mA
Standby Current
ISB
HKS = 0, No load &
No key entry
-
15
A
Memory Retention Current
IMR
HKS = 1, VDD = 1.0V
-
1
A
Tone Output Voltage
VTO
Row group, RL = 5 K
130
150
170
mVrms
Pre-emphasis
Col/Row, VDD = 2.0
5.5V
1
2
3
dB
DTMF Distortion
THD
RL = 5 K
, VDD = 2.05.5V
-
-30
-23
dB
DTMF Output DC Level
VTDC
RL = 5 K
, VDD = 2.05.5V
1.0
-
3.0
V
DTMF Output Sink Current
ITL
VTO = 0.5V
0.2
-
mA
DP
Output Sink Current
IPL
VPO = 0.5V
0.5
-
mA
T/P MUTE Output Sink
Current
IML
VMO = 0.5V
0.5
-
mA
KT Drive/Sink Current
IKTH
VKTH = 2.0V
0.5
-
mA
IKTL
VKTL = 0.5V
0.5
-
mA
HFO Drive/Sink Current
IHFH
VHFH = 2.0V
0.5
-
mA
IHFL
VHFL = 0.5V
0.5
-
mA
H/P MUTE
IHPH
VHPH = 2.0V
0.5
-
mA
Drive/Sink Current
IHPL
VHPL = 0.5V
0.5
-
mA
Keypad Input Drive Current
IKD
VI = 0V
4
-
A
HKS Pull High Resister
RHKS
300
500
-
K
Keypad Input Sink Current
IKS
VI = 2.5V
200
400
-
A
Keypad Resistance
-
5.0
K
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