switch
74LS257APC
Symbol
Footprint
3D Model
Pin Map
| Pin | Name | Type | Mount | Shape | Width × Height (mm) | Drill (mm) |
|---|---|---|---|---|---|---|
| A#/B | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| 1A | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| 1B | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| 1Y | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| 2A | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| 2B | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| 2Y | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| GND | ground | THT | oval | 1.44×1.8 | 0.7999984 | |
| 3Y | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| 3B | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| 3A | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| 4Y | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| 4B | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| 4A | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| G# | passive | THT | oval | 1.44×1.8 | 0.7999984 | |
| VCC | power | THT | oval | 1.44×1.8 | 0.7999984 |
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Details
- Category
- switch
- MPN
- 74LS257APC
- Manufacturer
- Texas Instruments
- Package
- DIP-16
- Footprint
- PDIP-16_L19.3-W6.4-P2.54-LS7.94-BL
- JLCPCB
- C3207921
- LCSC
- C3207921
- Lifecycle
- active
- Mounting
- THT
- RoHS
- Compliant
- MSL
- MSL 3
- ECCN
- EAR99
JLCPCB Stock & Pricing
Out of Stock(0 pcs)
1-49 pcs$0.3334
50-149 pcs$0.3334
150-999 pcs$0.3334
1000-2499 pcs$0.1290
2500-4999 pcs$0.1245
5000+ pcs$0.1223