Details

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BUY 74HC373A https://www.utsource.net/itm/p/12536141.html

Parameter	Symbol	Min	Typ	Max	Unit	Notes
Supply Voltage	VCC	2.0	-	6.0	V
Input Low Voltage	VIL	-0.5	-	1.5	V	@ VCC = 4.5V to 5.5V
Input High Voltage	VIH	3.5	-	VCC + 0.5	V	@ VCC = 4.5V to 5.5V
Output Low Voltage	VOL	-0.5	-	0.4	V	@ IOL = 4 mA, VCC = 4.5V to 5.5V
Output High Voltage	VOH	2.4	-	VCC + 0.5	V	@ IOH = -0.4 mA, VCC = 4.5V to 5.5V
Input Leakage Current	IIL	-1	-	1	渭A	@ VCC = 4.5V to 5.5V
Output Leakage Current	IOL	-1	-	1	渭A	@ VCC = 4.5V to 5.5V
Propagation Delay Time	tpd	-	11	35	ns	@ VCC = 5V, TA = 25掳C
Power Dissipation	PD	-	-	100	mW	Per Package
Operating Temperature	TA	-40	-	85	掳C
Storage Temperature	TSTG	-65	-	150	掳C

Instructions for Using 74HC373A

1. Power Supply:

   • Connect V_CC to the positive supply (2.0V to 6.0V).
   • Connect GND to the ground.

2. Input Signals:

   • Apply logic levels to the input pins (D0-D7). Ensure that the input voltages are within the specified range for V_IL and V_IH.

3. Output Latch Enable (LE):

   • When LE is high, the outputs (Q0-Q7) follow the inputs (D0-D7).
   • When LE is low, the outputs hold the last state of the inputs.

4. Output Signals:

   • The output pins (Q0-Q7) will reflect the state of the input pins when LE is high.
   • The outputs can drive up to 4 mA (sink) or 0.4 mA (source).

5. Propagation Delay:

   • The time delay between the change in input and the corresponding change in output is given by t_pd. This value is typically 11 ns at V_CC = 5V and 25掳C.

6. Temperature Considerations:

   • Ensure that the device operates within the specified temperature range (-40掳C to 85掳C) for reliable performance.
   • Store the device within the storage temperature range (-65掳C to 150掳C).

7. Handling Precautions:

   • Handle the device with care to avoid static damage. Use appropriate ESD protection.
   • Do not exceed the maximum ratings for any pin to prevent damage to the device.

8. Layout and PCB Design:

   • Keep power and ground traces short and wide to minimize noise.
   • Use decoupling capacitors (typically 0.1 渭F) close to the V_CC and GND pins to filter out high-frequency noise.

By following these instructions, you can ensure optimal performance and reliability of the 74HC373A.

(For reference only)