74HCT244D
NXP Semiconductors
Octal Buffer/Line Driver with 3-State Outputs
- Part id
- nxp/74HCT244D
- Category
- Uncategorised
- Package
- SOIC20
- Pins
- 20
Overview
The 74HCT244D is an uncategorised made by NXP Semiconductors in a SOIC20 package with 20 pins. Octal Buffer/Line Driver with 3-State Outputs.
PCBKit's library has its KiCad symbol (74xx:74HCT244, from KiCad's library) and its footprint (Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, from KiCad's library), ready for a KiCad board.
Symbol
Footprint
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | 1OE | Input |
| 2 | 1A0 | Input |
| 3 | 2Y0 | Tri-state |
| 4 | 1A1 | Input |
| 5 | 2Y1 | Tri-state |
| 6 | 1A2 | Input |
| 7 | 2Y2 | Tri-state |
| 8 | 1A3 | Input |
| 9 | 2Y3 | Tri-state |
| 10 | GND | Power in |
| 11 | 2A3 | Input |
| 12 | 1Y3 | Tri-state |
| 13 | 2A2 | Input |
| 14 | 1Y2 | Tri-state |
| 15 | 2A1 | Input |
| 16 | 1Y1 | Tri-state |
| 17 | 2A0 | Input |
| 18 | 1Y0 | Tri-state |
| 19 | 2OE | Input |
| 20 | VCC | Power in |
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Questions
Is there a KiCad symbol and footprint for the 74HCT244D?
Yes. The symbol is 74xx:74HCT244 and the footprint Package_SO:SOIC-20W_7.5x12.8mm_P1.27mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the 74HCT244D?
SOIC20, with 20 pins. Its footprint is drawn on this page.
What can replace the 74HCT244D?
Parts like it in the library: the ISOW7743FDFMR by Texas Instruments, the AD7528JRZ-REEL7 by Analog Devices, the ISOW7741BDFMR by Texas Instruments and the ISOW7740DFMR by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.