W91540AN 查看數據表（PDF） - Winbond
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W91540AN Datasheet PDF : 19 Pages
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W91540N SERIES
DC CHARACTERISTICS
(VDD−VSS = 2.5V, Fosc. = 3.58 MHZ, TA = 25° C; all outputs unloaded)
PARAMETER
SYM.
CONDITIONS
Operating Voltage
Operating Current
VDD
-
IOP Tone
Pulse
Standby Current
ISB HKS = 0, No load &
No key entry
Memory Retention Current
Tone Output Voltage
Pre-emphasis
DTMF Distortion
DTMF Output DC Level
DTMF Output Sink Current
DP Output Sink Current
IMR
VTO
THD
VTDC
ITL
IPL
HKS = 1,
VDD = 1.0V
Row group,
RL = 5 KΩ
Col/Row
VDD = 2.0−5.5V
RL = 5 KΩ
VDD = 2.0−5.5V
RL = 5 KΩ
VDD = 2.0−5.5V
VTO = 0.5V
VPO = 0.5V
T/P MUTE Output Sink
Current
IML VMO = 0.5V
KT Drive/Sink Current
HFO Drive/Sink Current
Keypad Input Drive
Current
IKTH
IKTL
IHFH
IHFL
IKD
VKTH = 2.0V
VKTL = 0.5V
VHFH = 2.0V
VHFL = 0.5V
VI = 0V
Keypad Input Sink Current IKS VI = 2.5V
Keypad Resistance
MIN.
2.0
-
-
-
-
130
1
-
1.0
0.2
0.5
0.5
0.5
0.5
0.5
0.5
4
200
-
TYP.
-
0.4
0.2
-
MAX.
5.5
0.6
0.4
15
UNIT
V
mA
mA
µA
-
0.2
µA
150 170 mVrm
s
2
3
dB
-30
-23
dB
-
3.0
V
-
-
mA
-
-
mA
-
-
mA
-
-
mA
-
-
mA
-
-
mA
-
-
mA
-
-
µA
400
-
µA
-
5.0
KΩ
- 10 -
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