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Additional Pictures 

 

Clock Frequency vs External Resistor of a A5300 single-chip calculator circuit.
DUT: A5300PB 7530 @ VDD = -15.0 V, VLEDD = -9.0 V.

Clock Frequency vs VDD Supply Voltage of a A5300 single-chip calculator circuit.
DUT: A5300PB 7530 @ VLEDD = -9.0 V, REXT = 56 kOhm.


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© Joerg Woerner, February 22, 2025. No reprints without written permission.