HT9302 Ver la hoja de datos (PDF) - Holtek Semiconductor
Número de pieza
componentes Descripción
Fabricante
HT9302 Datasheet PDF : 33 Pages
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HT9302 Series
Absolute Maximum Ratings
Supply Voltage ...........................................-0.3V to 6V
Input Voltage .............................. VSS-0.3 to VDD+0.3V
Storage Temperature ...........................-50°C to 125°C
Operating Temperature ..........................-20°C to 75°C
Note: These are stress ratings only. Stresses exceeding the range specified under ²Absolute Maximum Ratings² may
cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed
in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.
Electrical Characteristics
Symbol
Parameter
Test Conditions
VDD
Conditions
VDD
Operating Voltage
¾
¾
IDD
Operating Current
Pulse Off-hook
2.5V
Keypad entry
Tone No load
ISTB
Standby Current
1V
On-hook, no load
No entry
VR
Memory Retention Voltage
¾
¾
IR
Memory Retention Current
1V On-hook
VIL
Input Low Voltage
¾
¾
VIH
Input High Voltage
¾
¾
IXMO
XMUTE Leakage Current
¾
VXMUTE=12V
No entry
IOLXM XMUTE Sink Current
2.5V VXMUTE=0.5V
IHKS
HKS Pin Input Current
2.5V VHKS=2.5V
RHFI
HFI Pull-low Resistance
2.5V VHFI=2.5V
RHDI
HDI Pull-high Resistance
2.5V VHDI=0V
IOH1
Keypad Pin Source Current
2.5V VOH=0V
IOL1
Keypad Pin Sink Current
2.5V VOL=2.5V
IOH2
HFO Pin Source Current
2.5V VOH=2V
IOL2
HFO Pin Sink Current
2.5V VOL=0.5V
IOH3
HDO Pin Source Current
2.5V VOH=2V
IOL3
HDO Pin Sink Current
2.5V VOL=0.5V
tFP
Pause Time After Flash
Control key
¾
Digit key
tRP
One-key Redialing Pause Time
¾ One-key redialing
tDB
Key-in Debounce Time
¾
¾
tBRK
Break Time for One-key Redialing ¾ One-key redialing
fOSC
System Frequency
¾ Crystal=3.5795MHz
fOSC=3.5795MHz, Ta=25°C
Min. Typ. Max. Unit
2
¾
5.5
V
¾
0.2
1
mA
¾
0.6
2
mA
¾
¾
1
mA
1
¾
5.5
V
¾
0.1
0.2 mA
VSS
¾ 0.2VDD V
0.8VDD ¾
VDD
V
¾
¾
1
mA
1
¾
¾ mA
¾
¾
0.1 mA
¾
200
¾
kW
¾
200
¾
kW
-4
¾
–40 mA
200 400
¾
mA
-1
¾
¾ mA
1
¾
¾ mA
-1
¾
¾ mA
1
¾
¾ mA
¾
0.2
¾
s
¾
1
¾
¾
1
¾
s
¾
20
¾
ms
¾
1.2
¾
s
3.5759 3.5795 3.5831 MHz
Rev. 1.30
5
May 13, 2009
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