Details

---

BUY SN74HC640N https://www.utsource.net/itm/p/1172796.html
1A, 6V,±2% Tolerance, Voltage Regulator, Ta = 0°C to +125°C; Package: TO-220, SINGLE GAUGE; No of Pins: 3; Container: Rail; Qty per Container: 50

Parameter	Symbol	Min	Typ	Max	Unit	Description
Supply Voltage	VCC	2.0	-	6.0	V	Operating voltage range
Input Low Voltage	VIL	-	0.8	1.5	V	Maximum input low voltage
Input High Voltage	VIH	3.5	4.0	-	V	Minimum input high voltage
Output Low Voltage	VOL	0.0	0.1	0.4	V	Maximum output low voltage (IOL = 4 mA)
Output High Voltage	VOH	4.4	4.9	VCC	V	Minimum output high voltage (IOH = -4 mA)
Input Leakage Current	IIL	-1	0	1	μA	Maximum input leakage current
Output Sink Current	IOL	-	-	25	mA	Maximum output sink current
Output Source Current	IOH	-	-	-25	mA	Maximum output source current
Propagation Delay Time	tpd	-	10	25	ns	Typical propagation delay time
Power Dissipation	Ptot	-	-	625	mW	Maximum total power dissipation
Operating Temperature Range	TA	-40	-	85	°C	Operating temperature range
Storage Temperature Range	TSTG	-65	-	150	°C	Storage temperature range

Instructions for Use:

1. Power Supply:

   • Ensure the supply voltage (V_CC) is within the specified range of 2.0V to 6.0V.
   • Connect the ground (GND) pin to a stable reference point.

2. Input Signals:

   • Apply input signals that meet the input voltage levels: V_IL ≤ 1.5V for low and V_IH ≥ 3.5V for high.
   • Ensure input signals do not exceed the supply voltage (V_CC) or go below ground (GND).

3. Output Signals:

   • The output low voltage (V_OL) should be ≤ 0.4V when sinking up to 4mA.
   • The output high voltage (V_OH) should be ≥ 4.4V when sourcing up to -4mA.
   • Do not exceed the maximum output current ratings (I_OL = 25mA, I_OH = -25mA).

4. Propagation Delay:

   • The typical propagation delay time (t_pd) is 10ns, with a maximum of 25ns. This is crucial for timing considerations in your circuit design.

5. Thermal Management:

   • Ensure the device does not exceed the maximum power dissipation (P_tot = 625mW).
   • Operate the device within the specified temperature range (T_A = -40°C to 85°C).

6. Storage:

   • Store the device in a controlled environment within the storage temperature range (T_STG = -65°C to 150°C).

7. Handling:

   • Handle the device with care to avoid static damage. Use proper ESD protection measures.

By following these parameters and instructions, you can ensure reliable operation of the SN74HC640N in your electronic circuits.

(For reference only)