Details

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BUY PCA 82C251T SMD https://www.utsource.net/itm/p/12609423.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	Vcc		4.5		5.5	V
Operating Temperature	Topr		-40		125	掳C
Output High-Level Voltage	VOH	IOH = -4 mA	2.4		Vcc-0.4	V
Output Low-Level Voltage	VOL	IOL = 16 mA	0		0.5	V
Input Leakage Current	IIH	VIH = VCC	-1		1	渭A
Input Leakage Current	IIL	VIL = 0V	-1		1	渭A
Propagation Delay Time	tpd	VCC = 5V, RL=54惟	25		37	ns
Skew	tskew	VCC = 5V, RL=54惟	0		8	ns

Instructions for PCA 82C251T SMD

1. Power Supply Requirements:

   • Ensure the supply voltage (Vcc) is within the range of 4.5V to 5.5V.
   • The device operates optimally at a nominal supply voltage of 5V.

2. Temperature Considerations:

   • The operating temperature range is from -40掳C to 125掳C. Ensure that the device is used within this range to avoid damage or malfunction.

3. Input and Output Levels:

   • When driving loads, ensure the output high-level voltage (VOH) does not exceed Vcc - 0.4V and the output low-level voltage (VOL) stays below 0.5V under specified current conditions.
   • Check input leakage currents (IIH, IIL) are within 卤1渭A to prevent excessive power consumption or incorrect logic levels.

4. Timing Parameters:

   • For reliable operation, account for propagation delay time (tpd) which can vary between 25ns to 37ns under typical conditions.
   • Skew (tskew) should be considered as it can reach up to 8ns, impacting signal integrity in high-speed applications.

5. Mounting and Handling:

   • Handle with care to avoid damage to the surface mount device (SMD) package.
   • Follow standard reflow soldering profiles suitable for SMD components.

6. Electrostatic Discharge (ESD) Precautions:

   • Use appropriate ESD protection measures during handling and assembly to prevent damage from static electricity.

7. Application Notes:

   • Refer to application notes provided by the manufacturer for detailed guidelines on integrating the PCA 82C251T into your design, including layout recommendations and troubleshooting tips.

(For reference only)