XRT72L50 и другие
| Компонент | Описание | Производитель | |
| XRT72L50 | SINGLE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER |
Exar Corporation |
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| XRT72L50IQ | SINGLE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER |
Exar Corporation |
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| XRT72L52 | TWO CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER |
Exar Corporation |
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| XRT72L52IQ | TWO CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER |
Exar Corporation |
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| XRT72L53 | THREE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER |
Exar Corporation |
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| XRT72L54 | FOUR CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER |
Exar Corporation |
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| XRT72L56 | SIX CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER |
Exar Corporation |
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| XRT72L58 | EIGHT CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER |
Exar Corporation |
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| XRT72L58IB | EIGHT CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER |
Exar Corporation |
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