SN74LS393: 马来西亚的首选 Utsource Holding Company Limited

详情

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	V_CC	Operating	4.75	5.0	5.25	V
Input Voltage (High)	V_IH	I_IH = 20 μA	2.0	-	-	V
Input Voltage (Low)	V_IL	I_IL = -0.4 mA	-	-	0.8	V
Output Voltage (High)	V_OH	I_OH = -0.4 mA, V_CC = 5V	2.4	-	-	V
Output Voltage (Low)	V_OL	I_OL = 16 mA, V_CC = 5V	-	-	0.5	V
Propagation Delay Time	t_pd	V_CC = 5V, T_A = 25°C	18	22	34	ns
Power Consumption	P_D	V_CC = 5V, T_A = 25°C	-	100	-	mW

Power Supply:
- Ensure the supply voltage (V_CC) is within the range of 4.75V to 5.25V.
- Connect V_CC to the positive power supply and GND to the ground.
Input Signals:
- Apply logic high (V_IH) signals greater than 2.0V.
- Apply logic low (V_IL) signals less than 0.8V.
- Ensure input currents do not exceed the specified limits.
Output Signals:
- Logic high (V_OH) output will be at least 2.4V when sourcing up to -0.4 mA.
- Logic low (V_OL) output will be no more than 0.5V when sinking up to 16 mA.
Propagation Delay:
- The propagation delay time (t_pd) is typically 22 ns under standard conditions (V_CC = 5V, T_A = 25°C).
Power Consumption:
- The device typically consumes 100 mW under standard operating conditions.
Handling:
- Handle the IC with care to avoid static damage.
- Ensure all connections are secure and free from short circuits.
Storage:
- Store the IC in a dry, cool place to prevent moisture damage.
Application:
- The SN74LS393 is a dual 4-bit binary counter, suitable for applications requiring counting or frequency division.

(For reference only)