Details

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BUY ICM7555IPA https://www.utsource.net/itm/p/1272268.html
General Purpose timers

Parameter	Symbol	Conditions	Min	Typ	Max	Unit
Supply Voltage	VCC	Operating	4.5	-	16	V
Supply Voltage	VCC	Storage	-0.3	-	18	V
Quiescent Current (Typical)	IQ	VCC = 5V, No Load	-	0.01	-	mA
Output Current (Sink)	IO(Sink)	VCC = 15V, VO = 1.5V	10	-	-	mA
Output Current (Source)	IO(Source)	VCC = 15V, VO = 13.5V	10	-	-	mA
Output Voltage (Low)	VO(Low)	IO = 10mA	-	-	0.5	V
Output Voltage (High)	VO(High)	IO = -10mA	13.5	-	-	V
Trigger Level	VT	-	2/3 VCC	-	-	V
Threshold Level	VTH	-	1/3 VCC	-	-	V
Reset Level	VR	-	0.5	-	-	V
Delay Time	td	-	-	-	-	s
Monostable Operation	tm	R = 10kΩ, C = 10nF	-	1.1RC	-	s
Astable Operation	fosc	RA = 10kΩ, RB = 10kΩ, C = 10nF	-	1.44 / (RA + 2RB)C	-	Hz

Instructions for Using the ICM7555IPA:

1. Power Supply:

   • Ensure the supply voltage (V_CC) is within the operating range of 4.5V to 16V.
   • The storage voltage range is from -0.3V to 18V.

2. Quiescent Current:

   • The typical quiescent current at 5V with no load is 0.01mA.

3. Output Current:

   • The output can sink or source up to 10mA at 15V.
   • Ensure the output voltage levels are within the specified ranges when sourcing or sinking current.

4. Trigger and Threshold Levels:

   • The trigger level (V_T) is set to 2/3 of V_CC.
   • The threshold level (V_TH) is set to 1/3 of V_CC.

5. Reset Level:

   • The reset level (V_R) should be below 0.5V to ensure proper operation.

6. Delay Time:

   • The delay time (t_d) is not specified directly but can be calculated based on the external components used.

7. Monostable Operation:

   • For monostable operation, the time period (t_m) is given by 1.1RC, where R is the resistor value and C is the capacitor value.

8. Astable Operation:

   • For astable operation, the oscillation frequency (f_osc) is given by 1.44 / (R_A + 2R_B)C, where R_A and R_B are the resistor values and C is the capacitor value.

9. General Handling:

   • Handle the IC with care to avoid static damage.
   • Ensure all connections are secure and free from short circuits.
   • Use appropriate decoupling capacitors near the power supply pins to reduce noise and improve stability.

(For reference only)