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| MIC50395 Datasheet, PDF (4/6 Pages) Micrel Semiconductor – Six Decade Counter / Display Decoder Not Recommended for New Designs | |||
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MIC50395/50396/50397
Absolute Maximum Ratings
Voltage on Any Terminal Relative to VSS +0.3V to â20V
Operating Temperature Range (Ambient) 0°C to +70°C
Storage Temperature Range (Ambient) â40°C to +100°C
Maximum Operating Conditions
Symbol
Parameter
Min
TA
Operating Temperature
0
VSS
Supply voltage (VDD = 0V)
10
ISS
Supply Current
BV
Break Down Voltage
(Segment only @ 10 µA)
PD
Power Dissipation
Max
70
15
35
VSS â 26
670
Units
°C
V
mA
V
mW
Micrel
Notes
1
2
3
Electrical Characteristics
(VDD = 0V, VSS = +10.0V to +15.0, 0°C ⤠TA ⤠70°C)
Static Operating Conditions
Symbol
Parameter
Min
Max
Units
Notes
VIL
Input Low Voltage, â0â
VIH
Input High Voltage, â1â
VOL
Output Voltage â0â @ 30 µA
VOH
Output Voltage â1â @ 1.5 mA
IOH
Output Current â1â
Digit strobes
Segment outputs
VDD
0.2 VSS
V
VSS â 1
VSS
V
0.2 VSS
V
0.8 VSS
V
3.0
mA
10.0
mA
4
5
5
6
7
8
ISCAN
Scan Input Pullup Current @ 0 V
5.5
mA
ISCAN
Scan Input Pulldown Current @ 15 V
2
40
µA
ISET
SET Input Pullup Current @ 0V
5
60
µA
Note 1: With 150 pF capacitor to VSS from counter BCD and register BCD inputs.
Note 2: ISS with inputs and outputs open at 0°C. 33 mA at 25°C and 28 mA at 70°C. This does not include segment current.
Total power per segment must be limited not to exceed power dissipation of package. (θJA = 100°C/Watt)
Note 3: All outputs loaded.
Note 4: MIN VIH from RA RB RC RD CA CB CC CD inputs is VSS â 2.5 V. Those inputs have internal pulldown resistors to VDD.
Note 5: This applied to the push pull CMOS compatible outputs. Does not include digit strobes or segment outputs.
Note 6: For VOUT = VSS â 2.0 Volts. Average value over one digit cycle.
Note 7: For VOUT = VSS â 3.0 Volts. Average value over one digit cycle.
August 1998
8-7
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