Tsinghua-LEMON-Lab/T5830-RRAM-API

T5830 RRAM API (TRAPI)

T5830-RRAM-API

RRAM testing API (C language) for T5830 Memory Test System.

APIs

Default Unit Specifications

• Time: ns (1e-9)
• Voltage: V
• Current: nA (1e-9)

typedef int Time_ns;
typedef float Voltage_V;
typedef int Current_nA;

Pulse Configurations

Single Pulse Definition

typedef struct {
    Voltage_V low;
    Voltage_V high;
    Time_ns width;
    Time_ns delay;
    Time_ns hold;
} Pulse;

Pulse Train Definition

typedef enum {
    REPEAT,
    SWEEP,
    MANUAL
} PulseTrainMode;

typedef struct {
    PulseTrainMode mode;
    union {
        // REPEAT
        int count;
        Pulse pulse;

        // SWEEP
        Pulse start;
        Pulse end;
        Voltage_V step;

        // MANUAL
        Pulse * pulses;
    } data;
} PulseTrain;

Terminal Configurations

Terminal Mode Definition

typedef enum {
    GROUND,
    DIRECT,
    SINGLE_PULSE,
    PULSE_TRAIN
} TerminalMode;

Single Terminal Definition

typedef struct {
    char * name;
    TerminalMode mode;
    union {
        // GROUND, DIRECT
        Voltage_V level;

        // SINGLE_PULSE
        Pulse pulse;

        // PULSE_TRAIN
        PulseTrain pulse_train;
    } data;
} Terminal;

Device Terminal Specification

typedef struct {
    Terminal bl;
    Terminal sl;
    Terminal wl;
} RRAMConfig;

Array Operations

Operate single cell

• Current_nA operate(int x_addr, int y_addr, RRAMConfig config)

Operate array

• Current_nA * operate_all(RRAMConfig config)

T5830 Basics

Image of Hardware

• ALPG: Algorithmic Pattern Generator
• DBM: Data Buffer Memory
• UBM: Universal Buffer Memory
• TG: Timing Generator
• PDS: Pin Data Selector
• FC: Format Controller
• DR: Driver
• CP: Comparator
• DC: Direct Current
• SC: Sense Controller
• ECC: Error Correct Code Function
• BBM: Bad Block Memory
• FCM: Fail Capture Memory
• PPS: Programmable Device Power Supply
• ADC: Analog Digital Converter

Image of Software

• Main Program (*.c, *.h)
  • C program.
  • MCI (Macro Control Interface) library functions are needed to access tester hardware.
• Socket File (*.soc)
  • The table of DUT and PIN number.
• Pattern Program (*.asc)
  • Assembler program of ALPG.