SN74HC245DWR: 马来西亚的首选 Utsource Holding Company Limited

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BUY SN74HC245DWR https://www.utsource.net/itm/p/1127037.html
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

Parameter	Symbol	Min	Typical	Max	Unit	Conditions
Supply Voltage	V_CC	2.0	-	6.0	V
Input Voltage (High)	V_IH	3.15	-	V_CC	V	V_CC = 4.5V to 6.0V
Input Voltage (Low)	V_IL	0	-	0.85	V	V_CC = 4.5V to 6.0V
Output Voltage (High)	V_OH	2.4	-	V_CC - 0.1	V	I_OL = -4mA, V_CC = 4.5V to 6.0V
Output Voltage (Low)	V_OL	0	-	0.1	V	I_OL = 4mA, V_CC = 4.5V to 6.0V
Input Current (High)	I_IH	-	1	20	μA	V_CC = 4.5V to 6.0V
Input Current (Low)	I_IL	-1	-0.5	0	μA	V_CC = 4.5V to 6.0V
Output Current (Source)	I_OH	-	4	20	mA	V_OH = 2.4V, V_CC = 4.5V to 6.0V
Output Current (Sink)	I_OL	-20	-4	-	mA	V_OL = 0.1V, V_CC = 4.5V to 6.0V
Propagation Delay Time	t_pd	-	9	18	ns	V_CC = 5V, TA = 25°C
Power Consumption	P_tot	-	100	-	mW	V_CC = 5V, f = 1MHz

Power Supply:
- Ensure the supply voltage (V_CC) is within the range of 2.0V to 6.0V.
- Connect V_CC to the positive power supply and GND to the ground.
Input Signals:
- Apply input signals (V_IH, V_IL) within the specified voltage levels.
- Ensure the input currents (I_IH, I_IL) do not exceed the maximum ratings.
Output Signals:
- The output signals (V_OH, V_OL) will be within the specified voltage levels.
- Ensure the output currents (I_OH, I_OL) do not exceed the maximum ratings.
Propagation Delay:
- The propagation delay time (t_pd) is critical for timing considerations. Ensure it meets the requirements of your application.
Power Consumption:
- Monitor the total power consumption (P_tot) to avoid overheating or damage to the device.
Operating Temperature:
- The device is typically rated for operation at ambient temperatures (TA) from -40°C to 85°C. Ensure the operating environment does not exceed these limits.
Handling Precautions:
- Handle the device with care to avoid static discharge (ESD) which can damage the internal circuits.
- Follow proper soldering techniques to ensure reliable connections.
Storage:
- Store the device in a dry, cool place to prevent moisture damage.

By following these guidelines, you can ensure optimal performance and longevity of the SN74HC245DWR device.

(For reference only)