| Electronic component: | Description: | Manuf. | Package | Pins | T°min | T°max | Datasheet |
|---|
| HD74LS21 | Dual 4-input AND Gates | distributor | - | - | - | - | 43 K |
| HD74LS221 | Dual Monostable Multivibrators | distributor | - | - | - | - | 89 K |
| HD74LS240 | Octal Buffers/Line Drivers/Line Receivers with inverted 3-state outputs | distributor | - | - | - | - | 53 K |
| HD74LS242 | Quad. Bus Transceivers with inverted 3-state outputs | distributor | - | - | - | - | 58 K |
| HD74LS243 | Quad. Bus Transceivers with non-inverted 3-state outputs | distributor | - | - | - | - | 55 K |
| HD74LS244 | Octal Buffers/Line Drivers/Line Receivers with non-inverted 3-state outputs | distributor | - | - | - | - | 53 K |
| HD74LS245 | Octal Bus Transceivers with 3-state outputs | distributor | - | - | - | - | 63 K |
| HD74LS247 | BCD-to-Seven Segment Decode/Driver with 15V outputs | distributor | - | - | - | - | 102 K |
| HD74LS26 | Quad. 2-input High-Voltage Interface NAND Gates | distributor | - | - | - | - | 44 K |
| HD74LS27 | Triple 3-input NOR Gates | distributor | - | - | - | - | 44 K |
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