Details

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BUY SN54LS245J https://www.utsource.net/itm/p/12608623.html

Parameter	Symbol	Conditions	Min	Typical	Max	Unit
Supply Voltage	VCC	Operating	4.75	-	5.25	V
Input Low Voltage	VIL	-	0	-	0.8	V
Input High Voltage	V<subIH	-	2.0	-	5.25	V
Output Low Voltage	VOL	IOL = 16 mA	0.4	-	-	V
Output High Voltage	VOH	IOH = -0.4 mA	-	-	2.4	V
Propagation Delay Time	tpd	VCC = 5V, TA = 25掳C	-	30	-	ns
Power Dissipation	Ptot	-	-	-	500	mW

Instructions for Using SN54LS245J

1. Power Supply:

   • Ensure the supply voltage (V_CC) is within the range of 4.75V to 5.25V.
   • Connect the ground (GND) pin to a stable 0V reference.

2. Input Signals:

   • Apply input signals within the specified voltage levels:
     • Low level (V_IL): 0V to 0.8V
     • High level (V_IH): 2.0V to 5.25V

3. Output Signals:

   • The output low voltage (V_OL) should not exceed 0.4V when the output current (I_OL) is 16 mA.
   • The output high voltage (V_OH) should be at least 2.4V when the output current (I_OH) is -0.4 mA.

4. Propagation Delay:

   • The typical propagation delay time (t_pd) is 30 ns at V_CC = 5V and T_A = 25掳C. Ensure your system timing accounts for this delay.

5. Power Dissipation:

   • The maximum power dissipation (P_tot) is 500 mW. Ensure proper heat dissipation or cooling if operating near this limit.

6. Direction Control:

   • Use the direction control pins (DIR) to set the direction of data transfer between the two 8-bit buses.
   • DIR = 0: Data transfers from A to B.
   • DIR = 1: Data transfers from B to A.

7. Enable Control:

   • Use the enable control pins (OE) to enable or disable the data transfer.
   • OE = 0: Data transfer is enabled.
   • OE = 1: Data transfer is disabled, and the outputs are in high-impedance state.

8. Handling:

   • Handle the SN54LS245J with care to avoid static damage. Use anti-static wrist straps and mats.
   • Store and transport the device in ESD-protective packaging.

9. Testing:

   • Before integrating the SN54LS245J into your circuit, test it using a known good setup to ensure it functions correctly.

10. Documentation:

    • Refer to the datasheet for detailed specifications and additional information.

(For reference only)