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The SN54/74LS147 and the SN54/74LS148 are Priority Encoders. They provide priority decoding of the inputs to ensure that only the highest order data line is encoded. Both devices have data inputs and outputs which are active at the low logic level. RoboticsBD
The LS147 encodes nine data lines to four-line (8-4-2-1) BCD. The implied decimal zero condition does not require an input condition because zero is encoded when all nine data lines are at a high logic level. RoboticsBD
The LS148 encodes eight data lines to three-line (4-2-1) binary (octal). By providing cascading circuitry (Enable Input EI and Enable Output EO) octal expansion is allowed without needing external circuitry.
The SN54/74LS748 is a proprietary Motorola part incorporating a built-in deglitcher network which minimizes glitches on the GS output. The glitch occurs on the negative going transition of the EI input when data inputs 0–7 are at logical ones. RoboticsBD
The only dc parameter differences between the LS148 and the LS748 are that (1) Pin 10 (input 0) has a fan-in of 2 on the LS748 versus a fan-in of 1 on the LS148; (2) Pins 1, 2, 3, 4, 11, 12 and 13 (inputs 1, 2, 3, 4, 5, 6, 7) have a fan-in of 3 on the LS748 versus a fan-in of 2 on the LS148.
The only ac difference is that tPHL from EI to EO is changed from 40 to 45 ns.
| General Specification | |
| Package/Case | PDIP-16 |
| Minimum Supply Voltage (V) | 4.5 |
| Maximum Supply Voltage (V) | 5.5 |
| Product Type | 10-LINE-TO-4-LINE AND 8-LINE-TO-3-LINE PRIORITY ENCODERS |
| Operating Temperature Range (°C) | –55° C to +125° C |
| Mounting Type | Through Hole |
| Shipment Weight | 0.005 kg |
| Shipment Dimensions | 3 × 3 × 3 cm |
1 x 74147 Encoder
The latest price of 74147 Encoder in Bangladesh is BDT 40 You can buy the 74147 Encoder at best price from our RoboticsBD or visit RoboticsBD Office.
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Please note that the product information provided on our website may not be entirely accurate as it is collected from various sources on the web. While we strive to provide the most up-to-date information possible, we cannot guarantee its accuracy. We recommend that you always read the product labels, warnings, and directions before using any product. |
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Product Images are shown for illustrative purposes only and may differ from the actual product. |
Reference: RBD-0120
400 tie points 2 Power lanes, Total 100 tie points in power lanes 1 Double strip, Total 300 tie points Perfect for Arduino shield prototyping and testing Plastic housing, metal contact clips
Reference: RBD-0133
830 Solder-less Points Ideal for Experimenting With Circuit Design In Labs Compatible with resistance, diodes, transistors, LED’s, Capacitors and other types of electronic components Colored coordinates for easy components placement. Accept a variety of wire sizes 20-29 AWG
Reference: RBD-0280
Tie-points: 170 (10×17) Size: 48 x 35 x 10 mm(LxWxH). Use: experimental, testing, robot Matching jumper, diameter 0.8mm Phosphor bronze nickel plated spring clips Accepts a variety of wire sizes (29-20 the AWG) **1 pcs Random Color
Reference: RBD-0355
Description:Working voltage: 4.5V to 5.5 V.Transmit tube pressure drop: Vf = 1.6 VTransmit tube current: 20 mASignal output: A, B two way; The TTL levelDistinguish precision: 0.01 mmMeasurement frequency, 100 KHZEncoder diameter: 24 mmEncoder type D hole diameter: 4 mmThe encoder resolution: 20 line
Reference: RBD-0549
Breadboard power supply module, compatible with 5V, 3.3V. RoboticsBD Apply to MB102 breadboard Input voltage: 6.5-12 V (DC) or USB power supply Output voltage: 3.3V/5V can switch over Maximum output current: <700 ma Fluctuation two road independent control can switch over to 0 V, 3.3 V, 5 V On-board two groups of 3.3V, 5V DC output plug pin, convenient...
Reference: RBD-1153
135 quality jumper Color: red, orange, yellow, green, blue, purple, gray, brown, white. Box size: 165 × 55 × 10 (LxWxH) mm. 140 pcs of 22 AWG solid wires
Reference: RBD-1266
It has a nice standard 0.1″x0.1″ prototyping grid with big pads Comes with Stacking headers and plain header, choose whichever you want when soldering together An IC pattern for adding DIP ICs up to 20 pins Power rails down the middle and sides A reset button and an extra general use button Two 3mm general use LEDs, red and green, as well as 2 matching...
Reference: RBD-1736
Locking On/Off Switch Green LED Power Indicator Voltage Swapping Switch on both rail Channel Its concave design will not waste your proto zone. Easy to install on a breadboard with Compact portable size
Reference: RBD-1768
Locking On/Off Switch Green LED Power Indicator Voltage Swapping Switch on both rail Channel Its concave design will not waste your proto zone. Easy to install on a breadboard with Compact portable size
Reference: RBD-1780
1. MINI USB ( 5pin, B type, female connector ) 2. Base Material: FR4. 3. Board Thickness: 1.6mm. 4. Size: 20 x 17.5 mm .
Reference: RBD-1781
1. Micro USB ( 5pin, B type, female connector ) 2. Base Material: FR4. 3. Board Thickness: 1.6mm. 4. Size: 16 x 14 mm .
Reference: RBD-1782
1. USB Type B Female ( 5pin, B type, female connector ) 2. Base Material: FR4. 3. Board Thickness: 1.6mm. 4. Size: 20 x 20 mm .
Reference: RBD-1883
IC Name: 74LS83A Package/Case: DIP-16 4-BIT BINARY FULL ADDER WITH FAST CARRY LOW POWER SCHOTTKY
Reference: RBD-1416
High performance RISC CPU Only 35 single word instructions to learn All single cycle instructions except for program branches which are two-cycle
Reference: RBD-1273
Low-Power RS-485 Transceivers Low-Power RS-422 Transceivers Level Translators Transceivers for EMI-Sensitive Applications Industrial-Control Local Area Networks
Reference: RBD-1606
Supply Voltage Range: 4.75V to 7V Driver Case Style: DIP No. of Pins: 20 Operating Temperature Range: -40°C to +150°C
Reference: RBD-1318
Low saturation voltage Over temperature protection High noise immunity Applications: Motor Drive & Control Operating Supply Voltage Up To 46 V Total Dc Current Up To 4 A Low Saturation Voltage Overtemperature Protection
Reference: RBD-1001
IC Name: LM339 Package/Case: DIP-14 LM339N is a quad voltage comparator IC. It compares the input voltages at four independent input pins and outputs a high or low signal based on the comparision. It is commonly used for voltage sensing and triggering events in various electronics projects.
Reference: RBD-1298
Overtemperature Protection Logical “0” Input Voltage Up To 1.5 V (High Noise Immunity) Internal Clamp Diodes. Featuring Unit rode L293 and L293D Wide Supply-Voltage Range: 4.5 V to 36 V Separate Input-Logic Supply Internal ESD Protection Thermal Shutdown High-Noise-Immunity Inputs
Reference: RBD-0842
Maximum Repetitive Peak Reverse Voltage (VRRM): 1000V. Maximum RMS voltage (VRMS): 700V. Maximum Average Forward Rectified Current(IF(AV)): 3A.
Reference: RBD-0376
Current Sense for each motor. RoboticsBD Heatsink for better performance. Power-On LED indicator. Double H bridge Drive Chip: L298N. Operating Voltage(VDC): 5~35 Peak Current (A): 2 Continuous Current (A): 0-36mA No. of Channels: 2 Over-Current Protection (A): Yes Thermal Protection: Yes
Reference: RBD-0022
Affordable Price Operating Voltage: 5 V Sonar Sensing Range: 2-400 cm Max. Sensing Range: 450 cm Frequency: 40 kHz RoboticsBD
Reference: RBD-1108
Bright Red LED chip, which is made from AlGaAs on GaAs substrate Blackface and RED LED segments Type: Common cathode No. of Pins: 12 Low Current Consumption High Brightness
Reference: RBD-1715
16 pins. Molded notch for proper orientation. Easy to insert and remove ICs.
Reference: RBD-1002
Fixed output voltage is 9V Output current is 0.5A Dropout voltage is 2V Maximum DC input voltage is 35V Output transition SOA protection Output voltage tolerance is 4% Operating temperature range 0°C to 125°C
Reference: RBD-0753
Input Voltage(Max.) : 5V Resistance: 90 Ω Resonance Frequency: 2048 Hz Sound pressure(dB(A)/10cm)min.: 80 Body Size : 12 x 9.5mm Pin Pitch: 6mm External Material: Plastic; Color: Black
Reference: 0245
Choose your desire Resistor value from below:
Reference: 0031
3 Types Available (Please select from option) 1. Male to Male 2. Male to Female 3. Female-Female
Reference: RBD-0768
Size: 5mm Color: RED Head Shape: Round Lens Appearance: Transparent
Reference: RBD-1300
Size: 5mm Color: BLUE Head Shape: Round Lens Appearance: Transparent
Reference: RBD-1001
IC Name: LM339 Package/Case: DIP-14 LM339N is a quad voltage comparator IC. It compares the input voltages at four independent input pins and outputs a high or low signal based on the comparision. It is commonly used for voltage sensing and triggering events in various electronics projects.
Reference: RBD-1013
Wide supply voltage ranges Low supply-current drain independent of supply voltage Common-mode input voltage range includes ground, allowing direct sensing near ground Low input bias and offset parameters Internal frequency compensation
Reference: RBD-1025
Overload protection on the input and output No latch-up when the common mode range is exceeded Applications: Audio, Communications & Networking, Signal Processing Current Stock: 741CN
