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Keithley 4200A-SCS
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Model 4200A-SCS Pulse Card (PGU and PMU) User's Manual Section 8: Testing flash memory
4200A-PMU-900-01 Rev. A December 2020 8-7
Figure 160: Block diagram of a flash test setup without using a switch matrix (direct connect)
The pulse waveforms are a program pulse, an erase pulse, or a waveform made up of both program
and erase pulses. All of these waveforms are implemented by using the Segment Arb capability. For
more information about waveforms, refer to Pulse Source-Measure Concepts (on page 4-7). The
following waveforms are examples of the different methods and voltage levels for programming and
erasing.
Figure 161: Program pulse waveforms for a floating gate DUT with separate pulse waveforms
for the DUT gate, drain, source, and bulk

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