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Why CMOS connected to VDD and NMOS to Vcc?
Error on schematic. All MOS is powered by Vdd and/or Vss (drain/source). Only bipolar is powered by Vcc and/or Vee (collector/emitter).
Full form of vcc and vdd in TTL and CMOS?
vcc-voltage collector to collector vdd- voltage deran to deran ttl- transister transister logic cmos - complementary metal oxide same conductor
Why pmos is always connected to supply voltage vdd?
for reducing the leakage current.
What is VDD in electronics?
One possibility could be Visual Display Device (commonly known as a monitor !)
When was Cecilia Andersson born?
Cecilia Andersson was born on October 4, 1982, in Vdd, Sweden.
How do you reset the pad or vdd on a timex watch?
AnswerTry shorting the 2 pads together with a paperclip.where are the 2 pads
What does vss stand for in electronics?
In electronic circuits, Vss is ground or 0v and Vdd is the the positive supply. The s and d come from the source and drain connections on MOS transistor devices. In a similar way Vcc is also the positive supply, the c coming from the collector on bipolar transistors. The terms Vcc and Vdd are normally interchangeable.
What does the pinout for SDRam look like?
The pinout of the 168 pin Non-Parity, Error Correcting Code (ECC) 72 and ECC 80 bit unbuffered Synchronous Dynamic Random Access Memory (SDRAM) Dual Inline Memory Modules (DIMM) are outlined below.Front Side (left side 1-42, right side 43-84)Back Side (left side 85-126, right side 127-168) Front, Left Pin Non-Parity 72 ECC? 80 ECC? Description 1 VSS VSS VSS Ground 2 DQ0 DQ0 DQ0 Data 0 3 DQ1 DQ1 DQ1 Data 1 4 DQ2 DQ2 DQ2 Data 2 5 DQ3 DQ3 DQ3 Data 3 6 VDD VDD VDD +5 VDC or +3.3 VDC 7 DQ4 DQ4 DQ4 Data 4 8 DQ5 DQ5 DQ5 Data 5 9 DQ6 DQ6 DQ6 Data 6 10 DQ7 DQ7 DQ7 Data 7 11 DQ8 DQ8 DQ8 Data 8 12 VSS VSS VSS Ground 13 DQ9 DQ9 DQ9 Data 9 14 DQ10 DQ10 DQ10 Data 10 15 DQ11 DQ11 DQ11 Data 11 16 DQ12 DQ12 DQ12 Data 12 17 DQ13 DQ13 DQ13 Data 13 18 VDD VDD VDD +5 VDC or +3.3 VDC 19 DQ14 DQ14 DQ14 Data 14 20 DQ15 DQ15 DQ15 Data 15 21 n/c CB0 CB0 Parity/Check Bit Input/Output 0 22 n/c CB1 CB1 Parity/Check Bit Input/Output 01 23 VSS VSS VSS Ground 24 n/c n/c CB8 Parity/Check Bit Input/Output 8 25 n/c n/c CB9 Parity/Check Bit Input/Output 9 26 VDD VDD VDD +5 VDC or +3.3 VDC 27 /WE /WE /WE Read/Write 28 DQMB0 DQMB0 DQMB0 Byte Mask signal 0 29 DQMB1 DQMB1 DQMB1 Byte Mask signal 1 30 /S0 /S0 /S0 Chip Select 0 31 DU DU DU Don"t Use 32 VSS VSS VSS Ground 33 A0 A0 A0 Address 0 34 A2 A2 A2 Address 2 35 A4 A4 A4 Address 4 36 A6 A6 A6 Address 6 37 A8 A8 A8 Address 8 38 A10/AP A10/AP A10/AP Address 10 39 BA1 BA1 BA1 Bank Address 1 40 VDD VDD VDD +5 VDC or +3.3 VDC 41 VDD VDD VDD +5 VDC or +3.3 VDC 42 CK0 CK0 CK0 Clock signal 0Front, RightPin Non-Parity 72 ECC? 80 ECC? Description 43 VSS VSS VSS Ground 44 DU DU DU Don"t Use 45 /S2 /S2 /S2 Chip Select 2 46 DQMB2 DQMB2 DQMB2 Byte Mask signal 2 47 DQMB3 DQMB3 DQMB3 Byte Mask signal 3 48 DU DU DU Don"t Use 49 VDD VDD VDD +5 VDC or +3.3 VDC 50 n/c n/c CB10 Parity/Check Bit Input/Output 10 51 n/c n/c CB11 Parity/Check Bit Input/Output 11 52 n/c CB2 CB2 Parity/Check Bit Input/Output 2 53 n/c CB3 CB3 Parity/Check Bit Input/Output 3 54 VSS VSS VSS Ground 55 DQ16 DQ16 DQ16 Data 16 56 DQ17 DQ17 DQ17 Data 17 57 DQ18 DQ18 DQ18 Data 18 58 DQ19 DQ19 DQ19 Data 19 59 VDD VDD VDD +5 VDC or +3.3 VDC 60 DQ20 DQ20 DQ20 Data 20 61 n/c n/c n/c Not connected 62 Vref,NC Vref,NC Vref,NC 63 CKE1 CKE1 CKE1 Clock Enable Signal 1 64 VSS VSS VSS Ground 65 DQ21 DQ21 DQ21 Data 21 66 DQ22 DQ22 DQ22 Data 22 67 DQ23 DQ23 DQ23 Data 23 68 VSS VSS VSS Ground 69 DQ24 DQ24 DQ24 Data 24 70 DQ25 DQ25 DQ25 Data 25 71 DQ26 DQ26 DQ26 Data 26 72 DQ27 DQ27 DQ27 Data 27 73 VDD VDD VDD +5 VDC or +3.3 VDC 74 DQ28 DQ28 DQ28 Data 28 75 DQ29 DQ29 DQ29 Data 29 76 DQ30 DQ30 DQ30 Data 30 77 DQ31 DQ31 DQ31 Data 31 78 VSS VSS VSS Ground 79 CK2 CK2 CK2 Clock signal 2 80 n/c n/c n/c Not connected 81 n/c n/c n/c Not connected 82 SDA SDA SDA Serial Data 83 SCL SCL SCL Serial Clock 84 VDD VDD VDD +5 VDC or +3.3 VDC Back, LeftPin Non-Parity 72 ECC? 80 ECC? Description 85 VSS VSS VSS Ground 86 DQ32 DQ32 DQ32 Data 32 87 DQ33 DQ33 DQ33 Data 33 88 DQ34 DQ34 DQ34 Data 34 89 DQ35 DQ35 DQ35 Data 35 90 VDD VDD VDD +5 VDC or +3.3 VDC 91 DQ36 DQ36 DQ36 Data 36 92 DQ37 DQ37 DQ37 Data 37 93 DQ38 DQ38 DQ38 Data 38 94 DQ39 DQ39 DQ39 Data 39 95 DQ40 DQ40 DQ40 Data 40 96 VSS VSS VSS Ground 97 DQ41 DQ41 DQ41 Data 41 98 DQ42 DQ42 DQ42 Data 42 99 DQ43 DQ43 DQ43 Data 43 100 DQ44 DQ44 DQ44 Data 44 101 DQ45 DQ45 DQ45 Data 45 102 VDD VDD VDD +5 VDC or +3.3 VDC 103 DQ46 DQ46 DQ46 Data 46 104 DQ47 DQ47 DQ47 Data 47 105 n/c CB4 CB4 Parity/Check Bit Input/Output 4 106 n/c CB5 CB5 Parity/Check Bit Input/Output 5 107 VSS VSS VSS Ground 108 n/c n/c CB12 Parity/Check Bit Input/Output 12 109 n/c n/c CB13 Parity/Check Bit Input/Output 13 110 VDD VDD VDD +5 VDC or +3.3 VDC 111 /CAS /CAS /CAS Column Address Strobe 112 DQMB4 DQMB4 DQMB4 Byte Mask signal 4 113 DQMB5 DQMB5 DQMB5 Byte Mask signal 5 114 /S1 /S1 /S1 Chip Select 1 115 /RAS /RAS /RAS Row Address Strobe 116 VSS VSS VSS Ground 117 A1 A1 A1 Address 1 118 A3 A3 A3 Address 3 119 A5 A5 A5 Address 5 120 A7 A7 A7 Address 7 121 A9 A9 A9 Address 9 122 BA0 BA0 BA0 Bank Address 0 123 A11 A11 A11 Address 11 124 VDD VDD VDD +5 VDC or +3.3 VDC 125 CK1 CK1 CK1 Clock signal 1 126 A12 A12 A12 Address 12 Back, RightPin Non-Parity 72 ECC? 80 ECC? Description 127 VSS VSS VSS Ground 128 CKE0 CKE0 CKE0 Clock Enable Signal 0 129 /S3 /S3 /S3 Chip Select 3 130 DQMB6 DQMB6 DQMB6 Byte Mask signal 6 131 DQMB7 DQMB7 DQMB7 Byte Mask signal 7 132 A13 A13 A13 Address 13 133 VDD VDD VDD +5 VDC or +3.3 VDC 134 n/c n/c CB14 Parity/Check Bit Input/Output 14 135 n/c n/c CB15 Parity/Check Bit Input/Output 15 136 n/c CB6 CB6 Parity/Check Bit Input/Output 6 137 n/c CB7 CB7 Parity/Check Bit Input/Output 7 138 VSS VSS VSS Ground 139 DQ48 DQ48 DQ48 Data 48 140 DQ49 DQ49 DQ49 Data 49 141 DQ50 DQ50 DQ50 Data 50 142 DQ51 DQ51 DQ51 Data 51 143 VDD VDD VDD +5 VDC or +3.3 VDC 144 DQ52 DQ52 DQ52 Data 52 145 n/c n/c n/c Not connected 146 Vref,NC Vref,NC Vref,NC 147 n/c n/c n/c Not connected 148 VSS VSS VSS Ground 149 DQ53 DQ53 DQ53 Data 53 150 DQ54 DQ54 DQ54 Data 54 151 DQ55 DQ55 DQ55 Data 55 152 VSS VSS VSS Ground 153 DQ56 DQ56 DQ56 Data 56 154 DQ57 DQ57 DQ57 Data 57 155 DQ58 DQ58 DQ58 Data 58 156 DQ59 DQ59 DQ59 Data 59 157 VDD VDD VDD +5 VDC or +3.3 VDC 158 DQ60 DQ60 DQ60 Data 60 159 DQ61 DQ61 DQ61 Data 61 160 DQ62 DQ62 DQ62 Data 62 161 DQ63 DQ63 DQ63 Data 63 162 VSS VSS VSS Ground 163 CK3 CK3 CK3 Clock signal 3 164 n/c n/c n/c Not connected 165 SA0 SA0 SA0 Serial address 0 166 SA1 SA1 SA1 Serial address 1 167 SA2 SA2 SA2 Serial address 2 168 VDD VDD VDD +5 VDC or +3.3 VDCSource : http://pinouts.ru/Memory/DimmSdram168Unbuf_pinout.shtml
What does the acronym VDD mean?
It can stand for Virtual Device Driver, which is computer software.It is also used for Version Decription Documentand Vendor Due Diligence ( a legal reference).
What is rise time in cmos?
Rise time is defined as the time it takes for the output of a cmos circuit to rise from 20% to 80% of stable value (vdd) after input has been toggled.
What is open drain or open collector?
Open drain or collector means ,collector and drain terminal of BJT and MOSFET will be left open during implementation/fabrication.They will not be connected from Supply Vcc or VDD.
Why is the substrate in nmos connected to ground and in pmos to vdd?
we try to reverse bias not the channel and substrate but we try to maintain the source,drain junctions reversed biased with respect to the substrate so that we dont loose our current in the substrate.
