| SN54LS40 |  | Motorola | DUAL 4-INPUT NAND BUFFER | Original | PDF | 47.09KB | 2 | 
| SN54LS40 |  | Texas Instruments | DUAL 4-INPUT POSITIVE-NAND BUFFERS | Original | PDF | 199.33KB | 6 | 
| SN54LS40FK |  | Texas Instruments | DUAL 4-INPUT POSITIVE-NAND BUFFER | Original | PDF | 199.32KB | 6 | 
| SN54LS40FK |  | Texas Instruments | DUAL 4-INPUT POSITIVE-NAND BUFFERS | Scan | PDF | 148.28KB | 6 | 
| SN54LS40J |  | Motorola | Dual 4-Input NAND Power Gate (FQ=30) | Original | PDF | 34.97KB | 2 | 
| SN54LS40J |  | Motorola | DUAL 4-INPUT NAND BUFFER | Original | PDF | 47.09KB | 2 | 
| SN54LS40J |  | Texas Instruments | DUAL 4-INPUT POSITIVE-NAND BUFFER | Original | PDF | 199.32KB | 6 | 
| SN54LS40J |  | Unknown | TTL Data Book 1980 | Scan | PDF | 65.44KB | 1 | 
| SN54LS40J |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 45.8KB | 1 | 
| SN54LS40J |  | Unknown | Historical semiconductor price guide (US$ - 1998). From our catalog scanning project. | Historical | PDF | 45.8KB | 1 | 
| SN54LS40J |  | Texas Instruments | DUAL 4-INPUT POSITIVE-NAND BUFFERS | Scan | PDF | 148.28KB | 6 | 
| SN54LS40W |  | Texas Instruments | DUAL 4-INPUT POSITIVE-NAND BUFFER | Original | PDF | 199.32KB | 6 | 
| SN54LS40W |  | Unknown | TTL Data Book 1980 | Scan | PDF | 65.44KB | 1 | 
| SN54LS40W |  | Texas Instruments | DUAL 4-INPUT POSITIVE-NAND BUFFERS | Scan | PDF | 148.28KB | 6 |