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零件编号
产品描述 (功能)
W91521N 查看數據表(PDF) - Winbond
零件编号
产品描述 (功能)
生产厂家
W91521N
TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTIONS
Winbond
W91521N Datasheet PDF : 16 Pages
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W91520N SERIES
DC CHARACTERISTICS
(V
DD
−
V
SS
= 2.5V, F
OSC.
= 3.579545 MHz, T
A
= 25
°
C, all outputs unloaded)
PARAMETER
SYMBOL
CONDITIONS
Operating Voltage
Operating Current
Standby Current
Memory Retention
Current
DTMF Output Voltage
Pre-emphasis
DTMF Distortion
DTMF Output DC Level
DTMF Output Sink
Current
DP Output Sink Current
T/P MUTE Output Sink
Current
H/P MUTE Output
Drive/Sink Current
HFO Drive/Sink Current
Keypad Input Drive
Current
Keypad Input Sink
Current
HKS I/P Pull-high
Resistor
Keypad Resistance
V
DD
I
OP
I
SB
I
MR
V
TO
THD
V
TDC
I
TL
I
PL
I
TML
-
Tone, Unloaded
Pulse, Unloaded
HKS = V
SS
, No load
& No key entry
HKS = V
DD
,
V
DD
= 1.0V
Row group,
R
L
= 5 K
Ω
Col/Row,
V
DD
= 2.0 to 5.5V
R
L
= 5 K
Ω
,
V
DD
= 2.0 to 5.5V
R
L
= 5 K
Ω
,
V
DD
= 2.0 to 5.5V
V
TO
= 0.5V
V
PO
= 0.5V
V
TMO
= 0.5V
I
HPH
I
HPL
I
HFH
I
HFL
I
KD
I
KS
R
HK
V
HPH
= 2.0V
V
HPL
= 0.5V
V
HFH
= 2.0V
V
HFL
= 0.5V
V
I
= 0.0V
V
I
= 2.5V
-
R
K
-
MIN.
2.0
-
-
-
TYP.
-
0.4
0.2
-
MAX.
5.5
0.6
0.4
15
UNIT
V
mA
µ
A
-
-
0.2
µ
A
130 150 170 mVrms
1
2
3
dB
-
-30 -23
dB
1.0
-
3.0
V
0.2
-
-
mA
0.5
-
-
mA
0.5
-
-
mA
0.5
-
-
mA
0.5
-
-
mA
0.5
-
-
mA
0.5
-
-
mA
30
-
-
µ
A
200 400
-
µ
A
- 300
-
K
Ω
-
-
5
K
Ω
-8-
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