HT1611C
Absolute Maximum Ratings
Supply Voltage ...........................................-0.3V to 5V
Input Voltage ................................. VSS-0.3 to VDD+0.3
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 reliabil-
ity.
Electrical Characteristics
fOSC=32768Hz, Ta=25°C
Test Conditions
Conditions
Symbol
Parameter
Min.
Typ.
Max.
Unit
VDD
¾
VDD
VIL
VIH
ISTB
IDD
IOL
tA
Operating Voltage
Input Low Voltage
Input High Voltage
Standby Current
1.2
VSS
1.5
¾
1.7
0.2VDD
VDD
1
V
V
¾
1.2V~1.7V
1.2V~1.7V
1.5V
¾
¾
0.8VDD
V
¾
VHK=Floating (or VDD
)
0.1
3
¾
¾
500
1
mA
mA
mA
ms
ms
ms
Operating Current
Output Sink Current of INT
Data Setup Time
Data Hold On Time
Inter Digit Time
1.5V
No load
10
VO=0.3V
1.5V
1000
¾
¾
1.5V
¾
¾
¾
¾
tB
1.5V
2
¾
¾
tC
1.5V
5
¾
¾
Debounce Time
tDB
1.5V
1.5V
31.25
1
ms
¾
¾
¾
¾
¾
(HK, S1, S2, TIMER)
Pull-high Resistance
(HK, DI, SK)
RHI
VIN=0V
MW
Pull-low Resistance
RLO
VTIMER=1.5V
1.5V
1.5V
5
¾
¾
¾
¾
MW
(TIMER, S1, S2, 12/24)
fOSC
System Frequency
Crystal=32768Hz
32768
Hz
Rev. 1.10
4
August 17, 2001
HOLTEK [ HOLTEK SEMICONDUCTOR INC ]
