Design and realisation of integrated circuit tester

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INTEGRATED CIRCUIT TESTER pdf

PARAMETER	TEST CONDITIONS			MIN TYP MAX
UNIT
Von		Iqh ~ PA	VK = 2V	1.9 1.998	V
			VCC=4.5V	4.4 4.499
			VK = 6V	5.9 5.999
		|OH = -4mA,VcC = 4.5V	TA=25*C	3.98 4.3
			SN54HC00	3.7
			SN74HCOO	3.84
		loH=-5.2mVccs6V	Ta = 25*C	5.48 5.8
			SN54HCOO	5J
			SN74HCOO	5.34
Vtt	4=vK»V|.	Iol = 20 pA	Vcc=2V	0.002 0.1	V
			Vcc = 4.5V	0001 0.1
			W6V	0.001 0.1
		|OL = 4mAVCc=4.5V	to arc	0.17 0.26
			SN54HC00	0.4
			SN74HC00	0.33
		1а = 5.2 mA,7^=67	V25‘C	0.15 026
			SN54HCOO	0.4
			SN74HC00	0.33
	Vl = VccorO,Vcc = 6V	TA = 25°C		•0.1 ±100	nA
		SNx4HC00		±1000
я	Vl=Vcc0f0,lo=0, VK = 6V	TA = 25’C		2	pA
		SN54HC00		40
		SN74HC00		20
Ci	Vcc=2Vto6V			3 10	pF
Po*sr p dissipation capacitance per gate	No toad, TA = 25°C			20	pF

Table 2. 3: Characteristics for CMOS
The LM741 series are general purpose operational amplifiers. The amplifiers offer many features which make their application nearly foolproof: overload protection on input and output, no latch- up when the common-mode range is exceeded, as well as freedom from oscillations.
Some applications of LM741 include: comparators, Multivibrators, DC amplifiers, summing amplifiers, integrator or differentiators, active filters.

Figure 2. 13: Pin-Out Description of Lm741

PARAMETER		TEST CONDITIONS		MIN TYP MAX	UNIT
Input offset voltage		Rs S 10 kQ	TA = 25°C	1 5	mV
			Tamin s Ta s Тдмах	6	mV
Input offset voltage adjustment range		TA = 25“C, Vs = ±20 V		±15	mV
Input offset current		TA = 25’C		20 200	nA
		Tamin s Тд s Тдмах		85 500
Input bias current		Ta = 25“C		80 500	nA
		Tamin 5 Ta s Тдмах		1.5	PA
Input resistance		Ta = 25“C. Vs = ±20 V		0.3 2	MQ
Input voltage range		Tamin s Тд s Тдмах		±12 ±13	V
Large signal voltage gain		Vs = ±15 V, Vo = ±10 V. RL a 2 kQ	TA = 25°C	50 200	V/mV
			Tamin s Ta s Тдмах	25
Output voltage swing		Vs =±15 V	Rl £ 10 kQ	±12 ±14	V
			Rls2 kO	±10 ±13
Output short circuit current		TA = 25“C		25	mA
Common-mode rejection ratio		Rs s 10 Q, VCm = ±12 V. TamIN s Ta s Тдмах		80 95	dB
Supply voltage rejection ratio		Vs = ±20 V to Vs = ±5 V. Rs s 10 O, STAS TAMAX		86 96	dB
Transient response	Rise time	Тд = 25®C, unity gain		0.3	ps
	Overshoot			5%
Slew rate		TA = 25“C. unity gain		0.5	V/ps
Supply current		TA = 25“C		1.7 2.8	mA
Power consumption		Vs =±15 V	TA = 25°C	50 85	mW
			TA = Tamin	60 100
			Тд = Тдмах	45 75

Table 2. 4: Characteristics of LM741
C. THE NE555
This device is a precision timing circuit capable of producing accurate time delays or oscillation. In the time delay or mono-stable mode of operation the timed interval is controlled by a single external resistor and capacitor network .in the a-stable mode of operation, the frequency and duty cycle can be controlled independently with two external resistors and a single external capacitor. The threshold and trigger levels normally are two-thirds and one-thirds, respectively of Vcc. These levels can be altered by use of the voltage control. Applications include: fingerprints, Iris Biometrics, RFID reader.
For Vcc=5V, I_0H = -100mA l_0L = 35mA, V_0H = 33V V_0L = .1V

Figure 2. 14: (a) Pin out Description (b) Image of NE555 Timer

Figure 2. 1: (a) picture of optocoupler, (b) the symbol of optocoupler

Figure 2. 15: Application of Optocoupler In The Common Emitter Mode
Circuit diagram showing the practical application of PC817 in the common Emitter configuration is shown below
5 - 1.4
^й-=^я«=^л =¹⁸⁰ⁿ
Normalizing, we choose 220П
In this project, this component is used to electrically isolate the NE555 circuit from the OPAM IC circuits.
■ Electro-optical Characteristics (Ta= 25*C)

Parameter			Symbol	Conditions	MIN.	TYP.	MAX.	Unit
Input	Forward voltage		VF	If = 20mA	-	12	1.4	V
	Peak forward voltage		V FM	Ifm=0.5A	-	-	3.0	V
	Reverse current		1r	Vr = 4V	-	-	10	pA
	Terminal capacitance		c.	V= 0, f= 1kHz	-	30	250	PF
Output	Collector dark current		I CEO	Vce=20V	-	-	10 7	A
Transfer charac­teristics	'4Current transfer ratio		CTR	IF=5mA. Vce=5V	50	-	600	%
	Collector-emitter saturation collage		VcEtsall	lF=20mA.Ic= 1mA	-	0.1	0.2	V
	Isolation resistance		Riso	DC500V, 40 to 60% RH	5x10'°	10"	-	£2
	Floating capacitance		Cr	V=0,f= 1MHz	-	0.6	1.0	PF
	Cut-off frequency		fc	Vn=5V.lc=2mA.Ri=100Il.-3dB	-	80	-	kHz
	Response time	Rise time	tr	Vce=2V, lc=2mA. RL= 100Q	-	4	18	gs
		Fall time	tf		-	3	18	ps

Table 2. 5: Electro-optical Characteristics of PC817
2.5 GENERAL ELECTRONIC DIAGRAM
The circuit is being drawn in proteus and the program that is to be loaded into PIC18F4520 is written and compiled in MikroBasic PRO for PIC software

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