| Distributor | SKU | Stock | Cost | |
|---|---|---|---|---|
| DigiKey | 2156-TRSF3221CDBR-ND | 2139 | $2.68 | Buy |
| Mouser Electronics | 595-TRSF3221CDBR | 0 | Buy | |
| Arrow North American Components | TRSF3221CDBR | 0 | $1.14 | Buy |
| Utmel | TRSF3221CDBR | 10 | $3.92 | Buy |
| AVNET Express | TRSF3221CDBR | 3168 | $1.21 | Buy |
| AVNET Europe | TRSF3221CDBR | * $1.46 | Buy | |
| Texas Instruments | TRSF3221CDBR | 1500 | $2.01 | Buy |
TRSF3221 3-V to 5.5-V Single-Channel RS-232 Compatible Line Driver/Receiver