Title :
Inconsistency in power down current caused by voltage control oscillator (VCO) of EPROM wordline charge pump
Author_Institution :
Intel Technol., Penang, Malaysia
Abstract :
Inconsistency in power down current (IPD) measurement was experienced on the device, with Word Line Charge Pump, when it is operating at Vcc higher than 3 V. When the device enters power down, the current was measured in a very random manner, sometimes down to sub-micro-ampere or a few ten micro-ampere range. This problem totally goes away when the device is operating at 3 V. The root cause of this problem is due to the VCO (Voltage Control Oscillator) of the Word Line Charge Pump
Keywords :
CMOS memory circuits; EPROM; integrated circuit measurement; voltage-controlled oscillators; 3 to 5 V; CMOS; EPROM wordline charge pump; power down current; sub-micro-ampere range; voltage control oscillator; Charge pumps; Current measurement; EPROM; Inverters; Logic devices; Low voltage; Power measurement; Threshold voltage; Voltage control; Voltage-controlled oscillators;
Conference_Titel :
Physical & Failure Analysis of Integrated Circuits, 1997., Proceedings of the 1997 6th International Symposium on
Print_ISBN :
0-7803-3985-1
DOI :
10.1109/IPFA.1997.638196
