The LM741 series are general-purpose operational amplifiers which feature improved performance over industry.The amplifiers offer many features : overload protection on the input and output, no latch-up when the common-mode range is exceeded, as well as freedom from oscillations. The LM741C is identical to the LM741 and LM741A except that the LM741C has their performance ensured over a 0C to +70C temperature range, instead of 55C to +125C.

• CD4027 Dual JK Flip Flop Package IC which operates at medium speed of 16 MHz typically with 10V supply
• Voltage range of 3.0V to 15V
• Static Flip-Flop Operation
• High noise immunity of 0.45 VDD(typ.)
• Set and Reset capability
• TTL compatible
• Low power of 50 nW (typ.)
• Input Rise/Fall time at 5V: 45us
• Maximum and minimum Input Voltage is 2 V and 0.8 V

The BT139 is a TRIAC thyristor, which is a type of semiconductor device that can use to control alternating current (AC) power. TRIAC thyristor BT139 is a four-quadrant device, meaning that it can conduct current in either direction. The BT139 has a peak inverse voltage (PIV) of 800 volts and a current rating of 16 amperes. It is a sensitive gate triac, meaning that it can be triggered with a low gate current. The on-state voltage drop of the BT139 is 1.2 volts. Here are some of the key features of the BT139-800E 4 Quadrant TRIAC:

• Peak inverse voltage (PIV): 800 V
• RMS current: 16 A
• Gate trigger current: 2.5 mA
• Gate trigger voltage: 1.4 V
• On-state voltage drop: 1.2 V
• Thermal resistance: 1.2 K/W (junction to mounting base)
• Operating temperature range: -40 to 125 °C

• Dual inputQuad NAND gate operation.
• Input voltage range: -0.5 to VDD +5V
• Power dissipation of 100mW per logic change.
• It is available in different outline packages
• The propagation delay time is 60ns
• All input and output pins are buffered for high throughput
• The output characteristics are standardized symmetric
• CD4011 draws a maximum input current of 1 Ampere at 18 volts
• Offers different noise margin level according to the input voltage level
• Temperature operating range is -55C to +125C

• Inverting IC that can convert High logic level to Low level
• High source and Sink Current as it has the capability of driving 2 TTL Loads at 5V over full temperature range.
• 100% Tested for Quiescent Current at 20 V
• Maximum Input Current of 1A at 18 V Over Full Package Temperature Range; 100 nA at 18 V and 25C
• 5-V, 10-V, and 15-V Parametric Ratings
• It is available in 16 pin packages of PDIP, SOIC, TSSOP, SO.
• Special input protection to protect inputs against static discharges.

The CD4081 quad gate is a monolithic complementary MOS (CMOS) integrated circuit constructed with N- and P-channel enhancement mode transistors. They have equal source and sink current capabilities and conform to standard B series output drive. The devices also have buffered outputs which improve transfer characteristics by providing very high gain. All inputs protected against static discharge with diodes to VDD and VSS.

• Wide supply voltage range: 3V to 15V
• Low power: 100 nW (typ.)
• High noise immunity: 0.45 VDD (typ.)
• Separate SET and RESET inputs for each latch
• NOR and NAND configuration
• 3-STATE output with common output enable

ULN2004 Features

• Output current (single output): 500mA (MAX.)
• High sustaining voltage output: 50V (MIN.)
• Output clamp diodes
• Inputs compatible with various types of logic

LM324 Operational Amplifier IC LM-324 consist of four independent high-gain frequency-compensated operational amplifiers that are designed specifically to operate from a single supply or split supply over a wide range of voltages. Wide Supply Ranges Single Supply: 3 V to 32 V (26 V for LM2902) Dual Supplies: 1.5 V to 16 V (13 V for LM2902) Low Supply-Current Drain.

• Wide range of digital and analog signal levels: digital 3 – 15V, analog to 15Vp-p
• Low “ON” resistance: 80Ω (typ.) over entire 15Vp-p
  • signal-input range for VDD − VEE = 15V
• High “OFF” resistance:
  • channel leakage of ±10 pA (typ.) at VDD − VEE = 10V
• Logic level conversion for digital addressing signals of
  • 3 – 15V (VDD − VSS = 3 – 15V) to switch analog signals
  • to 15 Vp-p (VDD − VEE = 15V)
• Binary address decoding on chip

• Low Voltage and Standard-Voltage Operation
• 2-wire Serial Interface
• Schmitt Trigger, Filtered Inputs for Noise Suppression
• Bi-directional Data Transfer Protocol
• 100kHz and 400kHz Compatibility
• Write Protect Pin for Hardware Data Protection
• 8-byte Page (1K, 2K), 16-byte Page (4K, 8K, 16K) Write Modes
• Partial Page Writes are Allowed
• Self-timed Write Cycle (10mS max)

The CD4050 hex buffers are monolithic complementary MOS (CMOS) integrated circuits constructed with N- and P-channel enhancement mode transistors. These devices feature logic level conversion using only one supply voltage (VDD). The input signal high level (VIH) can exceed the VDD supply voltage when these devices are used for logic level conversions. These devices are intended for use as hex buffers, CMOS to DTL/ TTL converters, or as CMOS current drivers, and at VDD = 5.0V, they can drive directly two DTL/TTL loads over the full operating temperature range.

• Microcontrollers I/O switching
• VoIP phones
• Signal isolation
• PC communications

• Dual Input IC with 4 OR Gates with an operating voltage range from 3V to 18V
• Fully Static and Medium Speed Operation: with tPHL, tPLH = 60ns (typ) at 10V
• DC input current: 10mA
• High-Voltage Type (20V Rating)
• Power Dissipation: 500mW
• Maximum propagation delay is 250ns.
• Standard symmetric output
• Minimum logic Low and High voltage @+5V is1.5V and 3.5V
• Maximum Transition Time is 200ns

The CD4040 is a 12-stage ripple carry binary counter. The counters are advanced one count on the negative transition of each clock pulse. The counters are reset to the zero state by a logical 1 at the reset input independent of the clock.

The 4072 is a member of the 4000 Series CMOS range, and contains two independent OR gates, each with four inputs.

The 7408 is a QUAD 2-Input AND gates and contains four independent gates each of which performs the logic AND function. It comes in 14-pin DIP package. 7408 AND Gate IC 74HC244 74244 Octal Buffers & Line Driver IC in Pakistan

The SN74HC244N is an Octal Buffer and Line Driver IC, designed specifically to improve both the performance and density of 3-state memory address drivers, clock drivers and bus-oriented receivers and transmitters. This device organized as two 4-bit buffers/drivers with separate output-enable (OE)/inputs. When OE/ is low, the device passes non-inverted data from the A inputs to the Y outputs. When OE/ is high, the outputs are in the high-impedance state.

• Maximum Terminal current: 4A
• On-state Gate voltage: 1.4V
• Gate trigger current: 10mA
• Max Terminal Voltage is 600 V
• Holding current: 2.2mA
• Latching current: 4mA
• Available in To-220 Package

• Carries Low input bias current = 50 pA
• Available with Low input noise current = 0.01 pA/Hz
• Comes with Fast settling time to 0.01% = 2us
• Contains internally trimmed offset voltage = 15 mV
• Carries Low input noise voltage = 16nV/Hz
• Exhibits Low supply current = 3.6 mA

• Asynchronous Set-Reset Capability
• Static Flip-Flop Operation
• Medium-Speed Operation: 16 MHz (Typical) Clock Toggle Rate at 10-V Supply
• Standardized Symmetrical Output Characteristics
• Maximum Input Current Of 1- A at 18 V Over Full Package Temperature Range:
  • 100 nA at 18 V and 25C
• Noise Margin (Over Full Package Temperature Range):
  • 1 V at VDD = 5 V
  • 2 V at VDD = 10 V
  • 2.5 V at VDD = 15 V

• A dual version of NE556 consists of two precision timers that operate in both monostable and astable modes.
• It is specified for operation from 4.5 V to 16 V.
• TTL compatible output which can source or sink current of up to 150mA.
• Adjustable duty cycle.
• It can produce a timing delay from microseconds to hours.
• The operating temperature range is from 0 to 70 degrees Celsius.
• It has temperature stability better than 0.005% per C.

This IC is a 16-Bit SPI I/O Expander with Serial Interface. This IC has 25mA sink/source capability per I/O.

The CD4024 is a 7-stage ripple-carry binary counter. Buffered outputs are externally available from stages 1 through 7. The counter is reset to its logical 0 stage by a logical 1 on the reset input. The counter is advanced one count on the negative transition of each clock pulse.

The 4077 is a quad 2-input EXCLUSIVE-NOR gate. The outputs are fully buffered for the highest noise immunity and pattern insensitivity to output impedance. The 4077 operates over a recommended VDD power supply range of 3 V to 15 V referenced to VSS (usually ground). Unused inputs must be connected to VDD, VSS, or another input.

• High-Voltage Types (20V Rating)
• CD4073BMS Triple 3-Input AND Gate
• CD4081BMS Quad 2-Input AND Gate
• CD4082BMS Dual 4-Input AND Gate
• Medium Speed Operation: tPLH, tPHL = 60ns (typ) at VDD = 10V
• 100% Tested for Quiescent Current at 20V
• Maximum Input Current of 1A at 18V Over Full Package Temperature Range; 100nA at 18V and +25oC

Optocoupler 817 QUAD contains an IRED optically coupled to a phototransistor. It is packaged in a 4pin DIP, available in wide-lead spacing option and SMT gullwing lead-form option. Input-output isolation voltage(rms) is 5.0kV. Collector-emitter voltage is 80V(*) and CTR is 50% to 600% at input current of 5mA.

• Op-amp coupled with MOSFET at output
• Wide power supply Range

1. Singe supply – 5V to 16V
2. Dual supply – ±2.5V to ±8V

• Input Terminal current: 1mA
• Maximum Output Voltage: 13.3V
• Maximum source current: 22mA
• Maximum sink current: 20mA
• Supply current: 10mA
• Common Mode Rejection Ration (CMRR): 80dB

This is a monostable multivibrator or pulse generator.

The 74LS139 is a high speed Dual 1-of-4 Decoder/De-multiplexer. The device has two independent decoders, each accepting two inputs and providing four mutually exclusive active LOW Outputs. Each decoder has an active LOW Enable input which can be used as a data input for a 4-output demultiplexer. Each half of the LS139 can be used as a function generator providing all four minterms of two variables. The LS139 is fabricated with the Schottky barrier diode process for high speed and is completely compatible with all Motorola TTL families.

The Exclusive OR gates are monolithic complementary MOS (CMOS) integrated circuits constructed with N-Channel and P-Channel enhancement mode transistors. All inputs are protected against static discharge with diodes to VDD and VSS.

The TL431 is three-terminal adjustable shunt regulators, with specified thermal stability over applicable automotive, commercial, and military temperature ranges. The output voltage can be set to any value between Vref (approximately 2.5 V) and 36 V, with two external resistors. These devices have a typical output impedance of 0.2 .

Features

• High Speed Operation: tpd (CLK to Y) = 20 ns typ (CL = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: VCC = 2 V to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)