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Vcc |
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Vcc An electronics designation that refers to voltage from a power supply connected to the "collector" terminal of a bipolar transistor. In an NPN bipolar (BJT) transistor, it would be +Vcc, while in a PNP transistor, it would be -Vcc.Double letters (cc) refer to power supply voltages. For example, Vee refers to the "emitter" voltage. In CMOS logic, Vss refers to the "source" voltage, and Vdd is the "drain" voltage. Single letters refer to the voltage relative to ground; for example, Vc is the "collector" voltage relative to ground. Two different letters indicate the voltage between two terminals; for example: Vbe is the "base" to "emitter" voltage drop, while Vce is the "collector" to "emitter" voltage. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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No references found | Pacing modes were VVIR in 72%, VDD in 13%, AAIR in 8%, and DOD in 7% of patients atthe initial implantation time. The monitor continuously checks the VDD supply voltage and asserts an active-low signal to indicate that the memory is write-protected when VDD drops below a critical threshold. According to Scott Morell, engineering manager, Restraint Systems Group, Siemens VDD Automotive Corp. |
Vdd |
VDBI VDBIOL Vdbl VDBMS VDBP VDBS VDBT VDBVI VDBY VDC VDC VDCA VDCC VDCD VDCE VDCI VDCL VDCLS VDCN VDCP VDCPAD VDCR VDCS VDCT VDCU Vdd VDD SagVDDA VDDD VDDE VDDHH VDDI VDDK VDDM VDDN VDDR VDDR-I VDDS VDDSF VDDT VDE VDE VDEB VDEC Vdeck VDEDT VDEFC VDEGS VDEh VDEI VDEK | |||||||
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