Details

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BUY SN74HC165N https://www.utsource.net/itm/p/12555557.html

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	-	2.0	4.5	6.0	V
Input Voltage (High)	VIH	-	3.15	-	VCC	V
Input Voltage (Low)	VIL	-	0	-	1.35	V
Output Voltage (High)	VOH	IO = -0.4 mA	2.4	-	VCC - 0.1	V
Output Voltage (Low)	VOL	IO = 4.0 mA	0	-	0.1	V
Input Current (High)	IIH	VI = VCC	-1	-	-	μA
Input Current (Low)	IIL	VI = 0 V	1	-	-	μA
Output Current (High)	IOH	VO = VCC - 1.5 V	-4	-	-	mA
Output Current (Low)	IOL	VO = 0.4 V	8	-	-	mA
Propagation Delay Time	tpd	VCC = 4.5 V, TA = 25°C	25	-	-	ns
Power Dissipation	PD	-	-	-	100	mW

Instructions for Using SN74HC165N

1. Power Supply:

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

2. Pin Configuration:

   • 1-8: Data Input Pins (D0-D7)
   • 9: Shift Clock (SH_CP)
   • 10: Storage Register Clock (ST_CP)
   • 11: Parallel Load (PL)
   • 12: Clear (CLR)
   • 13: Output Enable (OE)
   • 14: Serial Data Out (Q7)
   • 15: Output Enable (OE) (Active Low)
   • 16: V_CC

3. Operation Modes:

   • Parallel Load Mode:
     • Set PL low to load parallel data into the shift register.
     • Set PL high to stop loading.
   • Shift Register Mode:
     • Set SH_CP high to shift data from D0 to Q7.
     • Use ST_CP to transfer data from the shift register to the storage register.
   • Clear Mode:
     • Set CLR low to clear all data in the shift register.
   • Output Enable:
     • Set OE low to enable output from the storage register.
     • Set OE high to disable output.

4. Timing Considerations:

   • Ensure that the propagation delay time (t_pd) is considered when designing the timing sequence for clock signals.
   • Avoid exceeding the maximum power dissipation (P_D) to prevent damage to the device.

5. Handling Precautions:

   • Handle the SN74HC165N with care to avoid static discharge.
   • Ensure that all connections are secure and free from short circuits.

By following these parameters and instructions, you can effectively use the SN74HC165N in your digital circuits.

(For reference only)