Description
74283 – 4-Bit Binary Full Adder with Fast Carry
📄 **Description:
The 74283** is a high-speed 4-bit binary full adder designed for use in arithmetic logic circuits. It performs addition of two 4-bit binary numbers and a carry input, producing a 4-bit sum and a carry-out. It features fast look-ahead carry logic, enabling high-speed arithmetic operations without the delay associated with ripple-carry adders.
Compatible with TTL logic levels, the 74283 is widely used in ALUs, counters, calculators, and other digital systems where precise and fast binary addition is required.
📐 Specifications:
| Parameter | Value |
|---|---|
| Number of Bits | 4-bit |
| Input Type | TTL |
| Output Type | TTL |
| Propagation Delay (t<sub>pd</sub>) | ~13 ns (typical) |
| Supply Voltage (V<sub>cc</sub>) | 4.75V to 5.25V |
| Typical Supply Voltage | 5V |
| Maximum Output Current | ±16 mA |
| Operating Temperature Range | 0°C to +70°C (commercial) |
| Package Type | DIP-16, SOIC-16 |
🌟 Key Features:
-
🧠 Performs Binary Addition of Two 4-bit Words + Carry Input
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⚡ Fast Carry Propagation – Ideal for cascading multiple adders
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🔁 Carry-In and Carry-Out Pins – For multi-stage addition
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✅ TTL Compatible – Standard logic level operation
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🛠️ No Glitch Carry Propagation – Stable and reliable output
-
📦 Available in DIP and SOIC Packages
⚙️ Applications:
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💻 Arithmetic Logic Units (ALUs)
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🔢 Binary Counters and Accumulators
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🧮 Digital Calculators
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📟 Data Processing Units
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🧠 Microprocessor Math Operations
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🧩 Multi-bit Parallel Adders (Cascaded Use)
Specification
General
| WeightWeight | 0,0000 g |
|---|---|
Dimensions | 2 × 0,7 × 0,5 cm |
| Product Name | 74283 4-Bit Binary Full Adder with Fast Carry |
| IC Type | 4-Bit Binary Full Adder |
| Number of Bits | 4 Bits |
| Logic Family | TTL |
| Supply Voltage | 4.75V–5.25V |
| Propagation Delay | 20ns |
| Input Current | 1mA |
| Output Current | 8mA |
| Carry Functions | Carry In (Cin), Carry Out (Cout) |
| Sum Outputs | S1, S2, S3, S4 |
| Operating Temperature | 0°C to +70°C |
| Package Type | DIP-16 |
| Applications | Arithmetic Logic Units, Binary Addition, Digital Circuits, CPU Design |
| Pin Configuration | 16-Pin DIP Layout |


