| SN74LS40 |  | Motorola | DUAL 4-INPUT NAND BUFFER | Original | PDF | 47.09KB | 2 | 
| SN74LS40 |  | Motorola | DUAL 4-INPUT NAND BUFFER | Original | PDF | 34.97KB | 2 | 
| SN74LS40 |  | Texas Instruments | DUAL 4-INPUT POSITIVE-NAND BUFFERS | Original | PDF | 199.33KB | 6 | 
| SN74LS40D |  | Motorola | DUAL 4-INPUT NAND BUFFER | Original | PDF | 47.09KB | 2 | 
| SN74LS40D |  | On Semiconductor | DUAL 4-INPUT NAND BUFFER | Original | PDF | 34.98KB | 2 | 
| SN74LS40D |  | Texas Instruments | SN74LS40 - IC LS SERIES, DUAL 4-INPUT NAND GATE, PDSO14, PLASTIC, SO-14, Gate | Original | PDF | 481.14KB | 11 | 
| SN74LS40D |  | Texas Instruments | DUAL 4-INPUT POSITIVE-NAND BUFFERS | Original | PDF | 199.32KB | 6 | 
| SN74LS40D |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 42.29KB | 1 | 
| SN74LS40D |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 42.29KB | 1 | 
| SN74LS40D |  | Texas Instruments | DUAL 4-INPUT POSITIVE-NAND BUFFERS | Scan | PDF | 148.28KB | 6 | 
| SN74LS40DR |  | Texas Instruments | SN74LS40 - IC LS SERIES, DUAL 4-INPUT NAND GATE, PDSO14, PLASTIC, SO-14, Gate | Original | PDF | 481.14KB | 11 | 
| SN74LS40DR2 |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 42.29KB | 1 | 
| SN74LS40FN |  | Texas Instruments | SN74LS40 - IC LS SERIES, DUAL 4-INPUT NAND GATE, PQCC20, Gate | Original | PDF | 481.14KB | 11 | 
| SN74LS40FN |  | Texas Instruments | DUAL 4-INPUT POSITIVE-NAND BUFFERS | Scan | PDF | 148.28KB | 6 | 
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| SN74LS40J |  | Texas Instruments | SN74LS40 - IC LS SERIES, DUAL 4-INPUT NAND GATE, CDIP14, Gate | Original | PDF | 481.14KB | 11 | 
| SN74LS40J |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 42.29KB | 1 | 
| SN74LS40J |  | Unknown | TTL Data Book 1980 | Scan | PDF | 65.44KB | 1 | 
| SN74LS40J |  | Texas Instruments | DUAL 4-INPUT POSITIVE-NAND BUFFERS | Scan | PDF | 148.28KB | 6 | 
| SN74LS40J-00 |  | Texas Instruments | SN74LS40 - IC LS SERIES, DUAL 4-INPUT NAND GATE, CDIP14, Gate | Original | PDF | 481.14KB | 11 | 
| SN74LS40JD |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 42.29KB | 1 |