| Part Number | TP3420A |
| Manufacturer | National Semiconductor |
| Title | ISDN S/T Interface Device |
| Description | The TP3420A is an enhanced version of the TP3420, with a number of upgraded features for compliance with the new release of ANSI T1.605-1991 and C... |
| Features |
for compliance with the new release of ANSI T1.605-1991 and CCITT I-430. At initial power-up the device is fully backwards compatible with the TP3420 device, and modifications to the firmware are only required to take advantage of the new features. T...
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| Datasheet |
 TP3420A Datasheet
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