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
VDD- VSS
VIL
RATING
UNIT
V
-0.3 to +7.0
V
VSS - 0.3
VIH
VDD +0.3
V
VOL
V
VSS - 0.3
VDD + 0.3
120
VOH
V
Power Dissipation
PD
mW
°C
°C
Operation Temperature
Storage Temperature
TOPR
TSTG
-20 to +70
-55 to +150
Note: Exposure to conditions beyond those listed under Absolute Maximum Ratings may adversely affect the life and reliability of the
device.
DC CHARACTERISTICS
(VDD-VSS = 2.5V, FOSC. = 3.579545 MHz, TA = 25° C, all outputs unloaded)
PARAMETER
Operating Voltage
Operating Current
SYMBOL
VDD
CONDITIONS
-
MIN. TYP. MAX.
UNIT
V
2.0
-
5.5
0.6
0.4
15
IOP
Tone, Unloaded
Pulse, Unloaded
-
-
-
0.4
0.2
-
mA
Standby Current
ISB
IMR
VTO
mA
mA
HKS
= VSS, No load
& No key entry
Memory Retention
Current
-
130
1
-
0.2
170
3
HKS
= VDD,
VDD = 1.0V
DTMF Output Voltage
Row group,
150
2
mVrms
RL = 5 KW
Pre-emphasis
Col/Row,
dB
dB
VDD = 2.0 to 5.5V
RL = 5 KW,
DTMF Distortion
THD
-
-30
-23
VDD = 2.0 to 5.5V
- 8 -
WINBOND [ WINBOND ]
