HP 4155A Programmer's Guide

Sample Application Programs
Flash EEPROM Test
Program Overview
Device connections for NOR and NAND type ash EEPROM are dierent.
Device Connection for NOR type ash EEPROM.
As shown in Figure 6-1, one HP 16440A SMU/Pulse Generator Selector is
used to switch units for forcing write pulse and erase pulse, and measuring
Vth.
Figure 6-1. Device Connection (NOR Type)
The following table shows the selector's state for each phase:
Table 6-1. Selector's State in Each Phase
Selector
Channel
Write Erase Vth Measure
CH1 (Drain) PGU PGU OPEN SMU
CH2 (Gate) PGU PGU SMU
6-4

HP 4155A Specifications

General

Brand	HP
Model	4155A
Category	Measuring Instruments
Language	English