Details

---

BUY CDP68HC68A2E https://www.utsource.net/itm/p/12606859.html

Parameter	Description	Value	Unit
Supply Voltage (Vcc)	Operating supply voltage range	2.0 to 5.5	V
Operating Temperature	Range for normal operation	-40 to +85	掳C
Storage Temperature	Range for storage	-65 to +150	掳C
Maximum Current (Icc)	Supply current at 3V, 25掳C	10	mA
Maximum Current (Icc)	Supply current at 5V, 25掳C	20	mA
Output High Level (VOH)	Minimum output high level voltage at 3V, 25掳C	2.4	V
Output High Level (VOH)	Minimum output high level voltage at 5V, 25掳C	4.5	V
Output Low Level (VOL)	Maximum output low level voltage at 3V, 25掳C	0.4	V
Output Low Level (VOL)	Maximum output low level voltage at 5V, 25掳C	0.5	V
Input High Level (VIH)	Minimum input high level voltage	2.0	V
Input Low Level (VIL)	Maximum input low level voltage	0.8	V
Propagation Delay Time (tpd)	Typical propagation delay time at 3V, 25掳C	100	ns
Propagation Delay Time (tpd)	Typical propagation delay time at 5V, 25掳C	70	ns
Power Dissipation (Pd)	Maximum power dissipation	100	mW

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage is within the specified range (2.0 to 5.5V).
   • Use appropriate decoupling capacitors (e.g., 0.1渭F ceramic capacitors) placed close to the power pins to reduce noise and improve stability.

2. Temperature Considerations:

   • Operate the device within the temperature range of -40掳C to +85掳C for optimal performance.
   • Store the device within the temperature range of -65掳C to +150掳C.

3. Current Limitations:

   • The maximum supply current at 3V and 25掳C is 10mA, and at 5V and 25掳C is 20mA. Ensure that the circuit design does not exceed these limits.

4. Output Levels:

   • Verify that the output high level (VOH) and output low level (VOL) meet the specified minimum and maximum values for the given supply voltage and temperature conditions.

5. Input Levels:

   • Ensure that the input signals meet the specified input high level (VIH) and input low level (VIL) requirements to avoid undefined behavior.

6. Propagation Delay:

   • Account for the typical propagation delay times when designing timing-critical circuits. The delay times are 100ns at 3V and 70ns at 5V.

7. Power Dissipation:

   • Ensure that the power dissipation does not exceed 100mW to prevent overheating and potential damage to the device.

8. Handling Precautions:

   • Handle the device with care to avoid static discharge, which can damage the internal components.
   • Follow proper soldering techniques and use a controlled temperature soldering iron to avoid thermal stress.

9. Testing:

   • Before finalizing the design, perform thorough testing under various operating conditions to ensure reliable performance.

(For reference only)