ArC TWO specifications ====================== Reading operations ------------------ All precisions quoted are 3σ confidence intervals Current measurement ^^^^^^^^^^^^^^^^^^^ * Accuracy: 1% at >16 nA, 10% at >1.6 nA * Minimum current measurement: ±200 pA * Maximum current measurement: ±10 mA * Current measurement resolution: 2.6 pA * Current measurement time: 1.5 ms Voltage measurement ^^^^^^^^^^^^^^^^^^^ * Accuracy: 1% at >20 mV, 10% at >2 mV * Minimum voltage measurement: ±200 μV * Maximum voltage measurement: ±10 V * Voltage measurement resolution: 77 μV * Voltage measurment time: 10 μs (single sample), 320 μs (averaged) Programming operations ---------------------- * Maximum bias voltage: ±13.5 V * Bias voltage resolution: 305 μV at ±10 V, 610μ V at ±13.5 V * Bias voltage current limit: 10 mA (200mA across all channels) * Bias voltage slew rate: 400 mV/μs * Arbitrary Pulse generator voltage: ±13.5 V * Arbitrary Pulse generator width: 40 ns - inf * Arbitrary Pulse generator time resolution: 10 ns * Arbitrary Pulse generator current limit: 10 mA Operation intervals ------------------- * Minimum READ → WRITE interval: 20 μs * Minimum WRITE → READ interval: 150 μs Programmable I/O ---------------- * 64 fully independent SMU channels with pulse generators and access to unified current source * 32 digital outputs with arbitrary high/low levels at ±13.5 V * 32 digital I/Os with arbitrary high level at 1.8-5.5 V * 4 arbitrary supplies at ±13.5 V and ±100 mA Crossbar management ------------------- * SMU configuration for up to 32×32 selector enabled crossbar array * With 32NNA68 daughterboard (included as default): - Switchable header pin array for access to all channels - 68 pin PLCC socket for packaged samples (up to 1 kbit crossbar arrays) * Optional 32-port SMA array and 12-port BNC array daughterboards for probe interface * Optional 48-pin ZIF DIP socket daughterboard for use in general characterisation tasks with DIP packaged arrays.