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LUCL8575BP-TR Datasheet(PDF) 1 Page - Agere Systems |
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LUCL8575BP-TR Datasheet(HTML) 1 Page - Agere Systems |
1 / 36 page Advance Data Sheet March 1997 L8575 Dual-Resistive, Low-Cost Subscriber Line Interface Circuit (SLIC) Features s Two channels in a single package s Serial data interface s Per-channel powerdown s Low standby power ( ≤65 mW per channel) s Integrated protection s No external protection device required s Battery noise cancellation s Switchhook detector s Ring-trip detector s Switchhook and ring-trip detector self-test s Fault detector s Zero ring voltage cross detection s Three relay drivers per channel s 44-pin, surface-mount, plastic package (PLCC) Description The L8575 is a dual-resistive, low-cost subscriber line interface circuit (SLIC) that is optimized to meet both ITU-T recommendations and LSSGR require- ments for 600 Ω/900 Ω resistive and complex imped- ance termination applications. It interfaces the low- voltage circuits on an analog line card to the Tip and Ring of two subscriber loops. The L8575 does not supply dc current to the subscriber loops—external resistors are used for this purpose. The device is built using a 90 V complementary bipolar (CBIC) process and is available in a 44-pin PLCC package. |
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