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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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công cụ tìm kiếm bảng dữ liệu linh kiện điện tử |
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ML6674 bảng dữ liệu(PDF) 2 Page - Micro Linear Corporation |
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ML6674 bảng dữ liệu(HTML) 2 Page - Micro Linear Corporation |
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2 / 8 page  ML6674 2 PIN CONFIGURATION NAME FUNCTION TXIN+, TXIN– These differential ECL100K compatible inputs receive NRZ data from the PHY for transmission. TPOUT+, Outputs from the NRZ buffer drive TPOUT– these differential current outputs. The transmitter filter/transformer module connects the media to these pins. LPBK This TTL input enables transmitter- Receiver loopback internally when asserted low. TXOFF This TTL input forces the NRZ driver to a high impedence state when asserted low and shuts off transmit bias currrent. RTSET1, An external 1% resistor connected RTSET2 between these pins controls the transmitter output current amplitude. IOUT = 32 x 1.25V/RTSET TVCCA, Separate analog and digital TVCCD transmitter power supply pins help to isolate sensitive circuitry from noise generating digital functions. Both supplies are nominally +5 volts. TGNDA, Analog and digital transmitter grounds TGNDD provide separate return paths for clean and noisy signals. PIN DESCRIPTION NAME FUNCTION SD+, SD– These differential ECL100K compatible outputs indicate the presence of a data signal with an amplitude exceeding a preset threshold. TPIN+, TPIN– NRZ encoded data from the receiver filter/transformer module enters the Receiver through these pins. RXOUT+, Differential ECL100K compatible RXOUT– outputs provide NRZ encoded data to the PHY. RRSET1, Internal time constants controlling RRSET2 the equalizer’s transfer function are set by an external resistor connected across these pins. CMREF This pin provides a DC common mode reference point for the receiver inputs. RVCCA, Analog and digital supply pins are RVCCD separated to isolate clean and noisy circuit functions. Both supplies are nominally +5 volts. RGND Receiver ground. ML6674 32-Pin PCC (Q32) ML6674 32-Pin TQFP (H32-7) 5 6 7 8 9 10 11 12 13 29 28 27 26 25 24 23 22 21 14 15 16 17 18 19 20 4 3 2 1 32 31 30 RXOUT+ RVCCD SD– SD+ N/C TGNDD LPBK TXOFF N/C RRSET1 RRSET2 N/C N/C RGND N/C N/C TVCCA TGNDA 1 2 3 4 5 6 7 8 24 23 22 21 20 19 18 17 9 10 11 121314 15 16 32 31 30 29 28 27 26 25 TPOUT– TPOUT+ RTSET2 RTSET1 TVCCD TXIN– TXIN+ N/C RRSET1 TPIN– TPIN+ CMREF N/C N/C RVCCA RXOUT– |
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