SN74HC154: Top Choice in United States (USA) Utsource Holding Company Limited

Description

Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Supply Voltage	V_CC	2.0	-	6.0	V
Input Low Voltage	V_IL	0.0	-	0.8	V	V_CC = 4.5V to 5.5V
Input High Voltage	V_IH	2.0	-	V_CC	V	V_CC = 4.5V to 5.5V
Output Low Voltage (Sink)	V_OL	0.0	0.1	0.2	V	I_OL = 4mA
Output High Voltage (Source)	V_OH	4.4	4.9	V_CC	V	I_OH = -0.4mA
Input Leakage Current	I_IL	-1.0	-	1.0	μA	V_CC = 4.5V to 5.5V
Output Leakage Current	I_OL	-1.0	-	1.0	μA	V_CC = 4.5V to 5.5V
Propagation Delay Time	t_pd	-	18	-	ns	V_CC = 5V, TA = 25°C
Power Dissipation	P_D	-	-	100	mW	Per Package

Power Supply:
- Connect V_CC to the positive supply voltage (2.0V to 6.0V).
- Connect GND to the ground.
Input Signals:
- Apply logic levels to the input pins (A, B, C, D) to select the desired output.
- Ensure that the input voltages are within the specified range for V_IL and V_IH.
Enable/Inhibit Control:
- The SN74HC154 has two enable inputs (G1 and G2). Both must be low (0V) for the device to operate.
- If either G1 or G2 is high, all outputs will be high (1).
Output Selection:
- The 16 outputs (Y0 to Y15) are active low. When an output is selected, it will be driven low (0V).
- Only one output is active at a time, corresponding to the binary input on A, B, C, and D.
Propagation Delay:
- The propagation delay time (t_pd) is the time it takes for the output to change state after the input changes. It is typically around 18ns at 5V.
Power Dissipation:
- Ensure that the total power dissipation does not exceed 100mW per package to avoid overheating.
Handling:
- Handle the IC with care to avoid static damage. Use proper ESD protection when handling the device.
Storage:
- Store the IC in a dry, cool place to prevent moisture damage.

By following these instructions, you can ensure reliable operation of the SN74HC154 in your digital circuits.

(For reference only)