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VSC7440 Datasheet(PDF) 420 Page - Microsemi Corporation |
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VSC7440 Datasheet(HTML) 420 Page - Microsemi Corporation |
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420 / 444 page  Pin Descriptions VMDS-10492 VSC7440 Datasheet Revision 4.2 403 Figure 151 • Pin Diagram, Top Right 7.2 Pins by Function This section contains the functional pin descriptions for the VSC7440 device. The following table lists the definitions for the pin type symbols. Table 324 • Pin Type Symbol Definitions Symbol Pin Type Description A Analog input Analog input for sensing variable voltage levels ABIAS Analog bias Analog bias pin DIFF Differential Differential signal pair I Input Input signal O Output Output signal I/O Bidirectional Bidirectional input or output signal OZ 3-state output Output LVDS Input or output Low voltage differential signal LVCMOS Input or output Low voltage CMOS signal 3V 3.3 V-tolerant ST Schmitt-trigger Input has Schmitt-trigger circuitry 10 11 12 13 14 15 16 17 18 P1_D0N P1_D1N P1_D2N P1_D3N P0_D0N P0_D1N P0_D2N P0_D3N VSS_66 A P1_D0P P1_D1P P1_D2P P1_D3P P0_D0P P0_D1P P0_D2P P0_D3P RESERVED_0 B VDD_AL_1 VDD_AL_2 VDD_AL_3 VDD_AL_4 VDD_AH_1 VDD_AH_2 VDD_AH_3 VDD_AH_4 RESERVED_1 C SERDES_Rext_1 SERDES_Rext_0 REF_Rext REF_FILT THERMDC THERMDA DDR_DQ13 DDR_DQ10 DDR_DQ8 D VDD_3 VDD_4 VDD_5 VDD_6 VDD_7 DDR_DQ15 DDR_UDM DDR_UDQSn DDR_UDQS E VSS_4 VSS_5 VSS_6 VDD_8 VDD_9 DDR_DQ14 DDR_DQ9 DDR_DQ11 DDR_DQ12 F VSS_11 VSS_12 VSS_13 VDD_10 VDD_IODDR_1 DDR_nCS1 RESERVED_2 DDR_nWE DDR_CKE G VSS_20 VSS_21 VSS_22 VDD_12 VDD_IODDR_2 DDR_BA2 DDR_BA0 DDR_BA1 DDR_A10 H VSS_28 VSS_29 VSS_30 VDD_14 VDD_IODDR_3 DDR_A1 DDR_A3 DDR_A5 DDR_A7 J VSS_37 VSS_38 VSS_39 VDD_16 VDD_IODDR_4 DDR_A9 DDR_A12 DDR_CK DDR_CKn K VSS_45 VSS_46 VSS_47 VDD_18 VDD_IODDR_5 DDR_A11 DDR_A4 DDR_A6 DDR_A8 L VSS_54 VSS_55 VSS_56 VDD_20 VDD_21 DDR_A13 DDR_nCS0 DDR_nCAS DDR_A0 M VDD_27 VDD_28 VDD_29 VDD_30 VDD_31 DDR_A2 DDR_A15 DDR_A14 DDR_nRAS N VDD_IO_5 VDD_IO_6 VDD_IO_7 VDD_IO_8 VDD_32 DDR_ODT DDR_DQ7 DDR_DQ0 DDR_DQ2 P GPIO_12 GPIO_16 GPIO_20 GPIO_24 GPIO_28 DDR_DQ5 DDR_DQ6 DDR_LDQS DDR_LDQSn R GPIO_13 GPIO_17 GPIO_21 GPIO_25 GPIO_29 GPIO_32 DDR_LDM DDR_DQ4 DDR_DQ1 T GPIO_14 GPIO_18 GPIO_22 GPIO_26 GPIO_30 GPIO_33 GPIO_35 DDR_Rext DDR_DQ3 U GPIO_15 GPIO_19 GPIO_23 GPIO_27 GPIO_31 GPIO_34 GPIO_36 DDR_Vref VSS_68 V |
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