W91520N Datasheet, PDF (8/16 Pages) Winbond – TONE/PULSE DIALER WITH HANDFREE AND HOLD FUNCTION

W91520N SERIES
DC CHARACTERISTICS
(VDD−VSS = 2.5V, FOSC. = 3.579545 MHz, TA = 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
VDD
IOP
ISB
IMR
VTO
THD
VTDC
ITL
IPL
ITML
-
Tone, Unloaded
Pulse, Unloaded
HKS = VSS, No load
& No key entry
HKS = VDD,
VDD = 1.0V
Row group,
RL = 5 KΩ
Col/Row,
VDD = 2.0 to 5.5V
RL = 5 KΩ,
VDD = 2.0 to 5.5V
RL = 5 KΩ,
VDD = 2.0 to 5.5V
VTO = 0.5V
VPO = 0.5V
VTMO = 0.5V
IHPH
IHPL
IHFH
IHFL
IKD
IKS
RHK
VHPH = 2.0V
VHPL = 0.5V
VHFH = 2.0V
VHFL = 0.5V
VI = 0.0V
VI = 2.5V
-
RK
-
MIN.
2.0
-
-
-
TYP.
-
0.4
0.2
-
MAX.
5.5
0.6
0.4
15
UNIT
V
mA
µA
-
-
0.2
µA
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
-
-
µA
200 400
-
µA
- 300
-
KΩ
-
-
5
KΩ
-8-