# SN74LS283 (Component) ## Description SN74LS283 4-bit binary full adder IC with fast carry, TTL 74LS logic family, performs addition of two 4-bit binary words with carry input and carry output, provides four sum outputs and final carry output, internal look-ahead carry circuitry for high-speed arithmetic operation, corner VCC and GND pins for simplified PCB layout, suitable for arithmetic logic circuits, counters, processors and digital logic systems, available in DIP-16 and other logic IC packages. Search Keywords: SN74LS283, 74LS283, SN74LS283N, SN74LS283 DIP16, SN74LS283 full adder, 74LS283 full adder IC, 4 bit binary full adder, TTL 4 bit adder, fast carry adder, binary adder IC, 74LS logic adder, look ahead carry adder, SN54LS283, SN74S283, SN74LS283 datasheet, 74LS283 replacement, HD74LS283, DM74LS283 Hashtags: #SN74LS283 #74LS283 #SN74LS283N #SN54LS283 #SN74S283 #HD74LS283 #DM74LS283 #FullAdder #BinaryFullAdder #4BitAdder #4BitBinaryAdder #TTLAdder #TTLLogicIC #74LSLogic #FastCarryAdder #LookAheadCarry #ArithmeticLogicIC #DigitalLogicIC #DIP16 ## Component Details - **Owner:** cherepanyadima - **Created:** 6/3/2026 - **Last Updated:** 6/3/2026 - **Visibility:** Public - **Datasheet URL:** https://www.ti.com/lit/ds/symlink/sn74ls283.pdf?HQS=dis-dk-null-digikeymode-dsf-pf-null-wwe&ts=1780413187944&ref_url=https%253A%252F%252Fwww.ti.com%252Fgeneral%252Fdocs%252Fsuppproductinfo.tsp%253FdistId%253D10%2526gotoUrl%253Dhttps%253A%252F%252Fwww.ti.com%252Flit%252Fgpn%252Fsn74ls283 - **Part Type:** Integrated Circuit - **Manufacturer Part Number:** SN74LS283_N_16 - **Manufacturer Name:** Texas Instruments - **Symbol Style:** parametric-v1 - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Texas Instruments - **MPN:** SN74LS283_N_16 - **Mount Type:** Through Hole - **Package / Case Code:** 16-DIP - **Pin Count:** 16 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | E2 | | | 2 | B2 | | | 3 | A2 | | | 4 | E1 | | | 5 | A1 | | | 6 | B1 | | | 7 | C0 | | | 8 | GND | | | 9 | C4 | | | 10 | E4 | | | 11 | B4 | | | 12 | A4 | | | 13 | E3 | | | 14 | A3 | | | 15 | B3 | | | 16 | VCC | | --- *Generated from [https://www.flux.ai/cherepanyadima/sn74ls283](https://www.flux.ai/cherepanyadima/sn74ls283)*