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MC14499P bảng dữ liệu(PDF) 2 Page - Motorola, Inc

tên linh kiện MC14499P
Giải thích chi tiết về linh kiện  7-Segment LED Display Decoder/Driver with Serial Interface
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nhà sản xuất  MOTOROLA [Motorola, Inc]
Trang chủ  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MC14499P bảng dữ liệu(HTML) 2 Page - Motorola, Inc

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MC14499
MOTOROLA
2
MAXIMUM RATINGS* (Voltages referenced to VSS)
Rating
Symbol
Value
Unit
DC Supply Voltage
VDD
– 0.5 to + 7
V
Input Voltage, All Inputs
Vin
– 0.5 to VDD + 0.5
V
Storage Temperature Range
Tstg
– 65 to + 150
°C
* Maximum Ratings are those values beyond which damage to the device may occur.
Functional operation should be restricted to the limits in the Electrical Characteristics table
or Circuit Operation section.
ELECTRICAL CHARACTERISTICS (VDD = 4.5 to 6.5 V)
Characteristic
Symbol
0
°C
25
°C
70
°C
Unit
Characteristic
Symbol
Min
Max
Min
Max
Min
Max
Unit
Serial Port Input Voltage
‘0’ Level
‘1’ Level
VIL
VIH
0.7 x VDD
0.3 x VDD
0.7 x VDD
0.3 x VDD
0.7 x VDD
0.3 x VDD
V
Serial Port Input Current
(Vin = 0 to VDD)
Iin
± 0.1
± 0.1
± 1.0
µA
Oscillator Input Voltage
‘0’ Level
‘1’ Level
VIL
VIH
0.75 x VDD
0.25 x VDD
0.75 x VDD
0.25 x VDD
0.8 x VDD
0.2 x VDD
V
Oscillator Input Current
VOSC = 0
VOSC = VDD
IIL
IIH
100
– 100
30
– 30
80
– 80
10
– 10
µA
Segment Driver Voltage Below VDD
Iout = 50 mA
Iout = 10 mA
∆VOH
1.1
0.8
1.0
0.75
1.1
0.8
V
Segment Driver Off Leakage Vout = 0
IOZ
100
50
100
µA
Digit Drivers
Source (On)
Vout = 0.8 V
Sink (Off)
Vout = 0.5 V
IOH
IOL
6
– 0.2
5.5
– 0.2
4
– 0.1
mA
Supply Current
Vin = 0, Iout = 0,
COSC = 0.015 µF
IDD
1
1
1
mA
Maximum Power Dissipation
PD
500
500
500
mW
SWITCHING CHARACTERISTICS (VDD = 5 V ± 10%, TA = 0 to 70°C)
Characteristic
Figure
No.
Symbol
Min
Max
Unit
Clock High Time
2
tCH
2
µs
Clock Low Time
2
tCL
2
µs
Clock Rise Time
2
tCR
2
µs
Clock Fall Time
2
tCF
2
µs
Enable Lead Time
2
tE LEAD
200
ns
Enable Lag Time
2
tE LAG
200
ns
Data Set–Up Time
2
tD SUP
200
ns
Data Hold Time
2
tD HOLD
1
µs
Scanner Frequency*
4
1/tSCAN
50
300
Hz
OSC/Digit Lead Time
4
tOD
10
µs
OSC/Segment Lead Time
4
tOS
10
µs
Digit Overlap
4
tOV
5
µs
* Scanner Capacitance = 0.022
µF.
This device contains circuitry to protect the
inputs against damage due to high static
voltages or electric fields; however, it is ad-
vised that normal precautions be taken to avoid
application of any voltage higher than maxi-
mum rated voltages to this high impedance
circuit. For proper operation, it is recom-
mended that Vin and Vout be constrained to
the range VSS ≤ (Vin or Vout) ≤VDD.


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