Description
BUY CD4555 https://www.utsource.net/itm/p/1316479.html
CMOS Dual Binary to 1 of 4 Decoder/Demultiplexers
| Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
Conditions |
| Supply Voltage |
VDD |
3.0 |
- |
18.0 |
V |
- |
| Supply Current |
IDD |
- |
5 |
20 |
μA |
VDD = 5V, fIN = 1kHz |
| Input Low Voltage |
VIL |
0.8 |
- |
- |
V |
VDD = 5V |
| Input High Voltage |
VIH |
- |
- |
2.0 |
V |
VDD = 5V |
| Output Low Voltage |
VOL |
0.4 |
- |
- |
V |
IOL = 10mA, VDD = 5V |
| Output High Voltage |
VOH |
- |
- |
2.4 |
V |
IOH = -0.4mA, VDD = 5V |
| Propagation Delay Time |
tpd |
- |
15 |
45 |
ns |
VDD = 5V, fIN = 1MHz |
| Power Dissipation |
PD |
- |
- |
100 |
mW |
- |
Instructions for Using the CD4555
Power Supply:
- Ensure the supply voltage (VDD) is within the range of 3.0V to 18.0V.
- The supply current (IDD) should be monitored to stay within the typical range of 5μA to 20μA at 5V.
Input Levels:
- For a valid low input (VIL), the voltage should be below 0.8V when VDD is 5V.
- For a valid high input (VIH), the voltage should be above 2.0V when VDD is 5V.
Output Levels:
- The output low voltage (VOL) should not exceed 0.4V when sourcing 10mA at VDD = 5V.
- The output high voltage (VOH) should be at least 2.4V when sinking -0.4mA at VDD = 5V.
Propagation Delay:
- The propagation delay time (tpd) should be between 15ns and 45ns at VDD = 5V and fIN = 1MHz.
Power Dissipation:
- The maximum power dissipation (PD) should not exceed 100mW.
Handling:
- Handle the CD4555 with care to avoid static damage.
- Ensure all connections are secure and free from short circuits.
Storage:
- Store the device in a dry, cool place to prevent moisture damage.
Testing:
- Use a multimeter to verify the supply voltage and current.
- Test the input and output levels using a signal generator and oscilloscope to ensure proper operation.
By following these guidelines, you can ensure reliable operation of the CD4555 in your circuit design.
(For reference only)
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