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W91F820LN Datasheet(PDF) 9 Page - Winbond

Part # W91F820LN
Description  13-FLASH MEMORY TONE/PULSE DIALER WITH HANDFREE, LOCK AND HOLD FUNCTIONS
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Manufacturer  WINBOND [Winbond]
Direct Link  http://www.winbond.com
Logo WINBOND - Winbond

W91F820LN Datasheet(HTML) 9 Page - Winbond

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Preliminary W91F820N SERIES
Publication Release Date: January 1999
- 9 -
Revision A1
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
-
2.4
-
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
µA
Memory Retention Current
IMR
HKS = 1, VDD = 1.0V
-
-
1
µA
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
Ω, VDD = 2.0−
5.5V
-
-30
-23
dB
DTMF Output DC Level
VTDC
RL = 5 K
Ω, VDD = 2.0−
5.5V
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
-
-
µA
HKS Pull High Resister
RHKS
300
500
-
K
Keypad Input Sink Current
IKS
VI = 2.5V
200
400
-
µA
Keypad Resistance
-
-
5.0
K


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