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| Part Number |
Description |
Key Advantages |
| DS26519 |
16-Port T1/E1/J1 Transceiver

| Industry's Highest Port Count Transceiver with the Lowest Power Consumption and Price |
| DS26521 |
Single T1/E1/J1 Transceiver

| Single-Port T1/E1/J1 Transceiver Is a Single-Chip Framer and LIU Combination for T1, E1, and J1 Applications |
| DS26528 |
Octal T1/E1/J1 Transceiver

| |
| DS21455, DS21458 |
Quad T1/E1/J1 Transceivers

| Industry's First 4-Port Transceivers to Switch Among All T1, E1, and J1 Standards without External Component Changes |
| DS26524 |
Quad T1/E1/J1 Transceiver

| Low-Power, Low-Cost SCT Pin and Software Compatible with the Octal DS26528 and Makes Migration to Higher Ports Easy, Available in Lead-Free Packages |
| DS2155 |
T1/E1/J1 Single-Chip Transceiver

| T1/E1/J1 Single-Chip Transceiver Provides Single Application Design for World-Wide Interoperability |