Recommended Operating Conditions. Electrical Characteristics. Switching Characteristics at Vcc=5V,Ta=25°C.

Part #: SN7440. Download. File Size: 196Kbytes. Page: 6 Pages. Description: DUAL 4-INPUT POSITIVE-NAND BUFFERS. Manufacturer: Texas Instruments.

The IC 7440 is a quad 2-input NAND gate with open-collector outputs, part of the 7400 series TTL logic family. It contains four independent NAND gates, each with two inputs, and features open-collector outputs that can be used for wired-AND configurations.

The 74LS40 is a dual 4-input NAND gate IC with two independent 4-input NAND gates. It is part of the 74LS series, which is known for its low power consumption and fast switching speeds due to Schottky transistor technology.

Below you’ll find a non-exhaustive list of the most common 7400-series chips. Click on the IC number of a chip to learn more about its pins, functions, and example circuits. More ICs will be added. If you have a request, let me know in the comments! Quad 2-input NAND gate: An IC with four standard NAND gates.

74xx系列 是 TTL IC 中使用最廣泛的IC，在此列出74xx系列IC的名稱及其簡述。 以下是7400系列數位邏輯IC的列表。

Integrated circuit 7440 . type – TTL standard series; logical element / function – DUAL 4-INPUT NAND BUFFER; nominal supply voltage – 5 VDC; maximum output current – 48 mA; operating temperature – from 0 ° C to +70 ° C; housing – DIP14; installation – THT.

7440, 7440 Dual 4-input NAND Buffer, buy 7440 TTL 74 Series IC. ×. Home; Electronic Components ...

Buy 74LS40 Dual 4-Input NAND Buffer IC (7440) DIP-14 Package online at lowest price in India with best quality only on ElectronicsComp.com. Purchase now with Free Shipping and COD option.

Jameco Electronics 7440 Logic IC, Buffer & Line Driver. Products in stock and ready to ship. Quotes, samples and datasheets at Jameco Electronics.