74LS469: Top Choice in United States (USA) Utsource Holding Company Limited

Description

BUY 74LS469 https://www.utsource.net/itm/p/258758.html
DM54LS469/DM 74LS469 8-Bit Up/Down Counter

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	V_CC	Operating	4.75	5.0	5.25	V
Input Low Voltage	V_IL	I_L = 1.6 mA	0	-	0.8	V
Input High Voltage	V_IH	I_H = -0.4 mA	2.0	-	5.25	V
Output Low Voltage	V_OL	I_OL = 16 mA	0	-	0.5	V
Output High Voltage	V_OH	I_OH = -0.4 mA	2.7	-	5.25	V
Propagation Delay Time	t_pd	V_CC = 5V, T_A = 25°C	-	35	-	ns
Power Dissipation	P_D	Per Package	-	-	100	mW
Operating Temperature	T_A	Commercial	0	-	70	°C
Storage Temperature	T_STG	-	-55	-	150	°C

Power Supply:
- Ensure the supply voltage (V_CC) is within the specified range of 4.75V to 5.25V.
- Connect the ground (GND) pin to a stable 0V reference.
Input Signals:
- Apply input signals such that the low level (V_IL) is below 0.8V and the high level (V_IH) is above 2.0V.
- Ensure input currents do not exceed the specified limits.
Output Signals:
- The output low level (V_OL) should be below 0.5V when sourcing up to 16mA.
- The output high level (V_OH) should be above 2.7V when sinking up to 0.4mA.
Propagation Delay:
- The typical propagation delay time (t_pd) is 35ns at 5V and 25°C. This can vary with temperature and supply voltage.
Thermal Management:
- Ensure the device operates within the specified temperature range (0°C to 70°C for commercial grade).
- Store the device within the storage temperature range (-55°C to 150°C).
Power Dissipation:
- Do not exceed the maximum power dissipation of 100mW per package to avoid overheating.
Handling:
- Handle the device with care to avoid static damage. Use proper ESD protection measures.
Schematic and Layout:
- Follow recommended PCB layout guidelines to ensure optimal performance and reliability.
- Keep signal traces short and direct to minimize noise and crosstalk.

By adhering to these parameters and instructions, you can ensure reliable operation of the 74LS469 IC.

(For reference only)