BCT644EWX-TR

BCT644 2:1 MIPI D-PHY(1.5Gbps) 4-Data Lane Switch BCT644 2:1 MIPI D-PHY(1.5Gbps) 4-Data Lane Switch GENERAL DESCRIPTION FEATURES The BCT644 is a four-data-lane, MIPI, D-PHY switch. This single-pole, double-throw (SPDT) switch is optimized for switching between two high-speed or low-power MIPI sources. The BCT644 is designed for the MIPI specification and allows connection to a CSI or DSI module.               APPLICATIONS Cellular Phones, Smart Phones Displays Switch Type: SPDT(10x) Signal Types: MIPI, D-PHY VCC:1.65 to 4.5V Input Signals: 0 to VCC RON: 7.7Ω Typical HS MIPI 8.8Ω Typical LP MIPI ΔRON: 0.6Ω Typical RON_FLAT: 0.3Ω Typical ICCZ: 0.5uA Maximum ICC: 26uA Typical QIRR:-32dB Typical XTALK:-45dB Typical Bandwidth:1.6GHz Typical CON:5.2pF 36-Ball WLCSP Package ORDERING INFORMATION Order Number Package Type Temperature Range Marking QTY/Reel BCT644EWX-TR WLCSP-36 -40°C to +85°C 644 3000 REV1.8 www.broadchip.com Copyright © BROADCHIP TECHNOLOGY CO., LTD 1 BCT644 2:1 MIPI D-PHY(1.5Gbps) 4-Data Lane Switch TYPICAL OPERATING CIRCUIT CLK MIPI Module #1 CSI/DSI Data[1:4] CLK BCT644 4-Data Lane MIPI Switch CLK MIPI Module #2 CSI/DSI Data[1:4] Processor Data[1:4] Figure 1. Application Block Diagram ABSOLUTE MAXIMUM RATINGS CAUTION Supply Voltage (VCC)…............................-0.5V to +5.25V This integrated circuit can be damaged by ESD if you don’t (1) DC Input Voltage (SEL, /OE) ....................-0.5V to VCCV pay attention to ESD protection. Broadchip recommends DC Switch I/O Voltage...............................-0.5V to 5.25V that all integrated circuits be handled with appropriate DC Input Diode Current.........................................-50mA precautions. Failure to observe proper handling and DC Output Current ……….....................................50mA installation procedures can cause damage. ESD damage Storage Temperature Range..................-65℃ to +150℃ can range from subtle performance degradation to Junction Temperature.............................................150℃ complete device failure. Precision integrated circuits may Operating Temperature Range.................-40℃ to +85℃ be more susceptible to damage because very small Lead Temperature (Soldering, 10 sec)....................260℃ parametric changes could cause the device not to meet its ESD Susceptibility published specifications. All Pins......................................................................4KV I/O to GND................................................................4KV Broadchip reserves the right to make any change in circuit Power to GND.......................... .................................8KV design, specification or other related things if necessary without notice at any time. Please contact Broadchip sales office to get the latest datasheet. REV1.8 www.broadchip.com Copyright © BROADCHIP TECHNOLOGY CO., LTD 2 BCT644 2:1 MIPI D-PHY(1.5Gbps) 4-Data Lane Switch RECOMMENDED OPERATING CONDTIONS The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Symbol Parameter Min. Max. Unit VCC Supply Voltage 1.65 4.5 V (2) VCTRL Control Input Voltage(SEL, /OE) 0 VCC V Switch I/O Voltage (CLKn, HS Mode 0.1 0.3 VSW V CLKAn, CLKBn, Dn, DAn, DBn) LP Mode 0 1.2 ℃ TA Operating Temperature -40 +85 Notes： 1. The input and output negative ratings maybe exceed if the input and output diode current ratings are observed. 2. The control input must be held HIGH or LOW; it must not float. PIN CONFIGURATION Figure2. Pin Configuration(Top Through View) REV1.8 www.broadchip.com Copyright © BROADCHIP TECHNOLOGY CO., LTD 3 BCT644 2:1 MIPI D-PHY(1.5Gbps) 4-Data Lane Switch Ball A1 A2 A3 A4 A5 A6 B1 B2 B3 B4 B5 B6 C1 C2 C3 C4 C5 C6 D1 D2 D3 D4 D5 D6 E1 E2 E3 E4 E5 E6 F1 F2 F3 F4 F5 F6 Table 1. Ball-to-Pin Mappings Pin Name CLKN CLKP CLKAP DA1P DA2P DA2N D1N D1P CLKAN DA1N DA3P DA3N D2N D2P NC VCC DA4P DA4N D3N D3P GND NC CLKBN CLKBP D4N D4P DB4P DB3P DB1N DB1P /OE SEL DB4N DB3N DB2N DB2P TRUTH TABLE SEL /OE Function LOW LOW CLKP=CLKAP, CLKN=CLKAN, DN(P/N)=DAN(P/N) HIGH LOW CLKP=CLKBP, CLKN=CLKBN, DN(P/N)=DBN(P/N) X HIGH DAN(P/N), DBN(P/N) Data Ports High Impedance REV1.8 www.broadchip.com Copyright © BROADCHIP TECHNOLOGY CO., LTD 4 BCT644 2:1 MIPI D-PHY(1.5Gbps) 4-Data Lane Switch PIN DESCRIPTION Pin Name Description CLKP/N Common Clock Path D1P/N Common Data Path1 D2P/N Common Data Path2 D3P/N Common Data Path3 D4P/N Common Data Path4 CLKAP/N A-Side Clock Path DA1P/N A-Side Data Path 1 DA2P/N A-Side Data Path 2 DA3P/N A-Side Data Path 3 DA4P/N A-Side Data Path 4 CLKBP/N B-Side Clock Path DB1P/N B-Side Data Path 1 DB2P/N B-Side Data Path 2 DB3P/N B-Side Data Path 3 DB4P/N B-Side Data Path 4 SEL=0 CLKP=CLKAP, CLKN=CLKAN, DN(P/N)=DAN(P/N) SEL=1 CLKP=CLKBP, CLKN=CLKBN, DN(P/N)=DBN(P/N) SEL Figure 3. Analog Symbol /OE Output Enable VCC Power GND Ground NC No Connect REV1.8 www.broadchip.com Copyright © BROADCHIP TECHNOLOGY CO., LTD 5 BCT644 2:1 MIPI D-PHY(1.5Gbps) 4-Data Lane Switch DC ELECTRICAL CHARACTERISTICS ( All typical values are TA = 25℃, unless otherwise specified.) PARAMETER SYM Control Input Leakage(SEL, /OE) IIN Input Voltage High Input Voltage Low VCC (V) MIN VSW=0 to 4.3V 1.65 to 4.5 -100 VIH VIN=0 to VCC 1.65 to 4.5 1.0 VIL VIN=0 to VCC 1.65 to 4.5 INO(OFF) INC(OFF) CLKn, Dn=0.3V; VCC-0.3V; CLKAn, DAn, or CLKBn; DBn=VCC-0.3V, 0.3V, or Floating; /OE=0V 1.65 to 4.5 IA(ON) CLKn, Dn=0.3V; Vcc-0.3V; CLKAn, DAn, or CLKBn; DBn=VCC-0.3V, 0.3V, or Floating; /OE=0V Power-Off Leakage Current IOFF CLKn, Dn or CLKAn, DAn, or CLKBn; DBn; VIN=0V to 4.5V; VCC=0V Off-State Leakage IOZ 0≤CLKn, Dn, CLKAn, DAn, CLKBn, DBn≤ 3.6V; /OE=High Off leakage Current of Port CLKAn, DAn, CLKBn, DBn On leakage Current of Common Ports(CLKAn, Dn) CONDITIONS TYP MAX UNITS 100 nA V 0.4 V -100 100 nA 1.65 to 4.5 -100 100 nA 0 -100 100 nA 4.5 -100 100 nA ION=-10mA, /OE=0V, RON_MIPI SEL=VCC or 0V, CLKA, B, DBn or DAn=0.1, 0.2, _HS 0.3 1.8--4.5 7.7 Ω ION=-10mA, /OE=0V, Switch On Resistance for LP RON_MIPI SEL=VCC or 0V, CLKA, B, MIPI Applications(3) _LP DBn or DAn=0, 0.6, 1.2V 1.8-4.5 8.8 Ω ION=-10mA, /OE=0V, SEL=VCC or 0V, CLKA, B, DBn or DAn=0.1, 0.2, 0.3 1.8-4.5 0.6 Ω Switch On Resistance for HS MIPI Applications(3) On Resistance Matching Between HS MIPI Channels(4) Δ RON_MIPI _HS REV1.8 www.broadchip.com Copyright © BROADCHIP TECHNOLOGY CO., LTD 6 BCT644 2:1 MIPI D-PHY(1.5Gbps) 4-Data Lane Switch DC ELECTRICAL CHARACTERISTICS ( All typical values are TA = 25℃, unless otherwise specified.) PARAMETER CONDITIONS VCC (V) ION=-10mA, /OE=0V, SEL=VCC or 0V, CLKA, B, DBn or DAn=0.0, 0.6, 1.2V 1.8-4.5 0.6 Ω On Resistance Flatness for RON_FLA HS MIPI Signals(4) T_MIPI_HS ION=-10mA, /OE=0V, SEL=VCC or 0V, CLKA, B, DBn or DAn=0.1, 0.2, 0.3 1.8-4.5 0.3 Ω On Resistance Flatness for RON_FLA LP MIPI Signals(4) T_MIPI_LP ION=-10mA, /OE=0V, SEL=VCC or 0V, CLKA, B, DBn or DAn=0.0, 0.6, 1.2V 1.8-4.5 1.5 Ω Quiescent Hi-Z Supply Current ICCZ VIN=0 or VCC, IOUT=0 4.5 Quiescent Supply Current ICC VIN=0 or VCC, IOUT=0 2.8 Increase in ICC Current Per Control Voltage and VCC ICCT VSEL, /OE=1.65V On Resistance Matching Between LP MIPI Channels(4) SYM Δ RON_MIPI _LP MIN TYP MAX UNITS 0.5 26 uA uA 4.5 4 2.5 0.1 uA Notes: 3. Measured by the voltage drop between A and B pins at the indicated current through the switch. On resistance is determined by the lower of the voltage on the two (A or B ports). 4. Guaranteed by characterization AC ELECTRICAL CHARACTERISTICS ( All values are for VCC=3.3V at TA=25℃ unless otherwise specified.) PARAMETER SYM CONDITIONS VCC (V) MIN TYP MAX UNITS Initalization Time VCC to Output(5) tINIT RL=50Ω, CL=5pF, VSW=1.2V 2.5 to 4.5 100 1.8 150 Enable Turn-On Time, /OE to Output tEN RL=50Ω, CL=5pF, VSW=1.2V 2.5 to 4.5 120 200 1.8 250 500 Disable Turn-off Time, /OE to Output tDIS RL=50Ω, CL=5pF, VSW=1.2V 2.5 to 4.5 25 50 1.8 50 90 Turn-On Time SEL to Output tON RL=50Ω, CL=5pF, VSW=1.2V 2.5 to 4.5 50 100 1.8 75 125 REV1.8 www.broadchip.com Copyright © BROADCHIP TECHNOLOGY CO., LTD 7 us ns ns ns BCT644 2:1 MIPI D-PHY(1.5Gbps) 4-Data Lane Switch AC ELECTRICAL CHARACTERISTICS ( All values are for VCC=3.3V at TA=25℃ unless otherwise specified.) PARAMETER SYM CONDITIONS Turn-Off Time SEL to Output tOFF RL=50Ω, CL=5pF, VSW=1.2V Break-Before-Make Time tBBM CL=5pF, RL=50Ω, VSW=1.2V OIRR f=750MHz, RL=50Ω, /OE=VCC ,VSW =-1dBm (200mVPP) Xtalk f=750MHz, RL=50Ω, /OE=VCC ,VSW =-1dBm (200mVPP) Off Isolation for MIPI Crosstalk for MIPI (5) (5) -3db Bandwidth(5) BW CL=0pF, RL=50Ω VCC (V) MIN TYP MAX UNITS 2.5 to 4.5 50 200 1.8 200 325 10 ns 50 ns 1.65 to 4.5 -32 dB 1.65 to 4.5 -45 dB 3.0 1.6 GHz Note: 5. Guaranteed by characterization. HIGH-SPEED-RELATED AC ELECTRICAL CHARACTERISTICS PARAMETER Channel-to-Channel Single-Ended Skew(6) Skew of Opposite Transitions of the Same Output(6) SYM CONDITIONS VCC (V) MIN TYP MAX UNITS tSK(O) TDR-Based Method (VSW =0.2VPP, CL=CON) 3.3 6 20 ps tSK(P) TDR-Based Method (VSW =0.2VPP, CL=CON) 3.3 6 20 ps Notes: 6. Guaranteed by characterization. CAPACITANCE PARAMETER Control Pin Input Capacitance(7) SYM CIN CONDITIONS VCC=0V, f=1MHz VCC (V) MIN TYP 0 2.1 Output On Capacitance(7) CON VCC=3.3V, /OE=0V, f=1MHz 3.3 5.2 Output Off Capacitance(7) COFF VCC and /OE=3.3V, f=1MHz 3.3 2.0 MAX UNITS pF Note: 7. Guaranteed by characterization. REV1.8 www.broadchip.com Copyright © BROADCHIP TECHNOLOGY CO., LTD 8 BCT644 2:1 MIPI D-PHY(1.5Gbps) 4-Data Lane Switch TEST DIAGRAMS Figure 4. On Resistance Figure 6. AC Test Circuit Board Figure 8. Propagation Delay(tRtF-500ps) Figure 10. Channel Off Capacitance Figure 5. Off Leakage Figure 7. Turn-On/Turn-Off waveform Figure 9. Channel to Channel Skew Figure 11. Channel On Capacitance REV1.8 www.broadchip.com Copyright © BROADCHIP TECHNOLOGY CO., LTD 9 BCT644 2:1 MIPI D-PHY(1.5Gbps) 4-Data Lane Switch TEST DIAGRAMS(CONTINUED) Figure 12. Break-Before-Make Interval Timing Figure 13. Bandwidth Figure 14. Channel Off Isolation Figure 15. Non-Adjacent Channel-to-Channel Crosstalk REV1.8 www.broadchip.com Copyright © BROADCHIP TECHNOLOGY CO., LTD 10 BCT644 2:1 MIPI D-PHY(1.5Gbps) 4-Data Lane Switch PACKAGE OUTLINE DIMENSIONS Product-Specific Dimensions Product Package BCT644EWX-TR 36-Ball WLCSP, 2.375mm x 2.375 mm, 0.4mm Pitch D E X Y 2.375mm 2.375mm 0.18mm 0.18mm REV1.8 www.broadchip.com Copyright © BROADCHIP TECHNOLOGY CO., LTD 11