HT9315 查看數據表（PDF） - Holtek Semiconductor
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HT9315 Datasheet PDF : 27 Pages
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HT9315 Series
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
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. 1.20
5
October 1, 2002
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