Description
BUY CD4042 https://www.utsource.net/itm/p/23411.html
CMOS QUAD CLOCKED D LATCH
| Parameter |
Symbol |
Min |
Typ |
Max |
Unit |
| Supply Voltage |
VCC |
3 |
- |
15 |
V |
| Input Voltage (High) |
VIH |
- |
70% VCC |
- |
V |
| Input Voltage (Low) |
VIL |
- |
30% VCC |
- |
V |
| Output Voltage (High) |
VOH |
- |
90% VCC |
- |
V |
| Output Voltage (Low) |
VOL |
- |
10% VCC |
- |
V |
| Input Current (High) |
IIH |
- |
1 |
20 |
μA |
| Input Current (Low) |
IIL |
-1 |
-10 |
- |
μA |
| Output Current (Source) |
IOH |
- |
400 |
800 |
μA |
| Output Current (Sink) |
IOL |
-800 |
-400 |
- |
μA |
| Propagation Delay Time |
tpd |
- |
25 |
65 |
ns |
| Power Dissipation |
PD |
- |
- |
500 |
mW |
| Operating Temperature Range |
TA |
-40 |
- |
85 |
°C |
Instructions for Using the CD4042
Power Supply:
- Connect the supply voltage (VCC) to the appropriate pin, typically Pin 14.
- Ground (GND) should be connected to Pin 7.
Input Signals:
- Ensure input signals are within the specified voltage levels (VIL and VIH).
- Avoid exceeding the maximum input current (IIH and IIL).
Output Signals:
- Ensure the output load does not exceed the maximum output current (IOH and IOL).
- Check the output voltage levels (VOH and VOL) to ensure proper operation.
Propagation Delay:
- Consider the propagation delay time (tpd) when designing circuits to avoid timing issues.
Thermal Management:
- Ensure the device operates within the specified temperature range (TA).
- If necessary, provide adequate cooling to manage power dissipation (PD).
Storage and Handling:
- Store the device in a dry, cool place to prevent damage.
- Handle with care to avoid static discharge, which can damage the device.
Testing:
- Use a multimeter to verify the supply voltage and ground connections.
- Test the input and output signals to ensure they meet the specified parameters.
Application Notes:
- Refer to the datasheet for detailed application notes and circuit diagrams.
- Consider using decoupling capacitors near the power supply pins to reduce noise and improve stability.
(For reference only)
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