W91330N SERIES
3. Flash key cannot be stored as a digit in memory. The flash key has the first priority among
the keyboard functions.
4. The system will return to the initial state after the flash pause time is finished.
5. The flash function timing diagram is shown in Figure 7.
ABSOLUTE MAXIMUM RATINGS
PARAMETER
DC Supply Voltage
Input/Output Voltage
SYMBOL
V
DD−
V
SS
V
IL
V
IH
V
OL
V
OH
Power Dissipation
Operation Temperature
Storage Temperature
P
D
T
OPR
T
STG
RATING
-0.3 to +7.0
V
SS
−0.3
V
DD
+0.3
V
SS
−0.3
V
DD
+ 0.3
120
-20 to +70
-55 to +150
UNIT
V
V
V
V
V
mW
°C
°C
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
DC CHARACTERISTICS
(V
DD
-V
SS
= 2.5V, F
OSC.
= 3.579545 MHz, T
A
= 25° C, all outputs unloaded)
PARAMETER
Operating Voltage
Operating Current
Standby Current
Memory Retention
Current
DTMF Output Voltage
Pre-emphasis
DTMF Distortion
SYMBOL
V
DD
I
OP
I
SB
I
MR
V
TO
CONDITIONS
-
Tone, Unloaded
Pulse, Unloaded
HKS = V
SS
, No load
& No key entry
HKS = V
DD
,
V
DD
= 1.0V
Row group,
R
L
= 5 KΩ
Col/Row,
V
DD
= 2.0 to 5.5V
MIN.
2.0
-
-
-
-
130
1
-
TYP.
-
0.4
0.2
-
-
150
2
-30
MAX.
5.5
0.6
0.4
15
0.2
170
3
-23
UNIT
V
mA
µA
µA
mVrms
dB
dB
THD
R
L
= 5 KΩ,
V
DD
= 2.0 to 5.5V
-8-
WINBOND [ WINBOND ]
