Details

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BUY 82C251Y https://www.utsource.net/itm/p/12607652.html

Parameter	Symbol	Min	Typical	Max	Unit	Notes
Supply Voltage	Vcc	4.75	5.0	5.25	V	Operating voltage range
Supply Current	ICC	-	30	60	mA	Quiescent current at Vcc = 5V, TA = 25掳C
Data Rate	fD	0	10	100	kbps	Maximum data rate
Output High Level	VOH	2.4	3.5	5.0	V	Output high level voltage at IOH = 4mA, Vcc = 5V, TA = 25掳C
Output Low Level	VOL	0	0.4	0.5	V	Output low level voltage at IOL = 16mA, Vcc = 5V, TA = 25掳C
Input High Level	VIH	2.0	-	5.0	V	Input high level voltage
Input Low Level	VIL	0	-	0.8	V	Input low level voltage
Propagation Delay	tpd	0	35	70	ns	Propagation delay time from input to output, Vcc = 5V, TA = 25掳C
Skew	tskew	0	10	20	ns	Maximum skew between outputs, Vcc = 5V, TA = 25掳C
Operating Temperature	TA	-40	25	85	掳C	Ambient operating temperature range

Instructions for Use

1. Power Supply:

   • Ensure the supply voltage (Vcc) is within the specified range of 4.75V to 5.25V.
   • The device can draw up to 60mA of supply current.

2. Data Rate:

   • The 82C251Y supports data rates up to 100 kbps. Ensure that the system clock and data rates are compatible with this maximum limit.

3. Input and Output Levels:

   • Verify that the input signals meet the required high (VIH) and low (VIL) levels.
   • Ensure that the output signals are within the specified high (VOH) and low (VOL) levels.

4. Propagation Delay and Skew:

   • Account for the propagation delay (tpd) and skew (tskew) in your timing calculations to ensure reliable operation.

5. Operating Temperature:

   • The device is designed to operate within an ambient temperature range of -40掳C to 85掳C. Ensure that the operating environment does not exceed these limits.

6. Handling Precautions:

   • Handle the device with care to avoid static damage. Use proper ESD protection measures.
   • Avoid exposing the device to excessive humidity or mechanical stress.

7. Mounting and Soldering:

   • Follow recommended soldering profiles to prevent thermal damage during assembly.
   • Ensure proper mounting to maintain signal integrity and thermal performance.

8. Testing and Validation:

   • Perform thorough testing under various conditions to validate the performance and reliability of the 82C251Y in your application.

By adhering to these parameters and instructions, you can ensure optimal performance and reliability of the 82C251Y in your design.

(For reference only)