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Número de pieza
componentes Descripción
W91540N Ver la hoja de datos (PDF) - Winbond
Número de pieza
componentes Descripción
Fabricante
W91540N
10-MEMORY TONE/PULSE DIALER WITH SAVE, KEYTONE, LOCK, AND HANDFREE FUNCTIONS
Winbond
W91540N Datasheet PDF : 19 Pages
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W91540N SERIES
DC CHARACTERISTICS
(V
DD
−
V
SS
= 2.5V, Fosc. = 3.58 MH
Z
, T
A
= 25
°
C; all outputs unloaded)
PARAMETER
SYM.
CONDITIONS
Operating Voltage
Operating Current
V
DD
-
I
OP
Tone
Pulse
Standby Current
I
SB
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
I
MR
V
TO
THD
V
TDC
I
TL
I
PL
HKS
= 1,
V
DD
= 1.0V
Row group,
R
L
= 5 K
Ω
Col/Row
V
DD
= 2.0
−
5.5V
R
L
= 5 K
Ω
V
DD
= 2.0
−
5.5V
R
L
= 5 K
Ω
V
DD
= 2.0
−
5.5V
V
TO
= 0.5V
V
PO
= 0.5V
T/P
MUTE
Output Sink
Current
I
ML
V
MO
= 0.5V
KT Drive/Sink Current
HFO Drive/Sink Current
Keypad Input Drive
Current
I
KTH
I
KTL
I
HFH
I
HFL
I
KD
V
KTH
= 2.0V
V
KTL
= 0.5V
V
HFH
= 2.0V
V
HFL
= 0.5V
V
I
= 0V
Keypad Input Sink Current I
KS
V
I
= 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
µ
A
-
0.2
µ
A
150 170 mVrm
s
2
3
dB
-30
-23
dB
-
3.0
V
-
-
mA
-
-
mA
-
-
mA
-
-
mA
-
-
mA
-
-
mA
-
-
mA
-
-
µ
A
400
-
µ
A
-
5.0
K
Ω
- 10 -
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