switch
SN74LS257BN
Symbol
Footprint
3D Model
Pin Map
| Pin | Name | Type | Mount | Shape | Width × Height (mm) | Drill (mm) |
|---|---|---|---|---|---|---|
| A#/B | input | THT | rect | 1.7×1.7 | 1 | |
| 1A | output | THT | circle | 1.7×1.7 | 1 | |
| 1B | io | THT | circle | 1.7×1.7 | 1 | |
| 1Y | passive | THT | circle | 1.7×1.7 | 1 | |
| 2A | passive | THT | circle | 1.7×1.7 | 1 | |
| 2B | passive | THT | circle | 1.7×1.7 | 1 | |
| 2Y | passive | THT | circle | 1.7×1.7 | 1 | |
| GND | ground | THT | circle | 1.7×1.7 | 1 | |
| 3Y | passive | THT | circle | 1.7×1.7 | 1 | |
| 3B | passive | THT | circle | 1.7×1.7 | 1 | |
| 3A | passive | THT | circle | 1.7×1.7 | 1 | |
| 4Y | passive | THT | circle | 1.7×1.7 | 1 | |
| 4B | passive | THT | circle | 1.7×1.7 | 1 | |
| 4A | passive | THT | circle | 1.7×1.7 | 1 | |
| G# | passive | THT | circle | 1.7×1.7 | 1 | |
| VCC | power | THT | circle | 1.7×1.7 | 1 |
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Details
- Category
- switch
- MPN
- SN74LS257BN
- Manufacturer
- Texas Instruments
- Package
- PDIP-16
- Footprint
- PDIP-16_L19.7-W6.6-P2.54-LS7.6-BL
- JLCPCB
- C1547275
- LCSC
- C1547275
- Lifecycle
- active
- Mounting
- THT
- RoHS
- Compliant
- MSL
- MSL 1
- ECCN
- EAR99
JLCPCB Stock & Pricing
In Stock(100 pcs)
1-9 pcs$2.0113
10-29 pcs$1.7719
30-99 pcs$1.6016
100-499 pcs$1.4474
500-999 pcs$1.3767
1000+ pcs$1.3478