IC Tester Integrated Circuit IC Tester Professional ABS Portable Digital Transistor IC Tester for

About this item

• Feature: 1. Applicable: IC tester can test for osmo series, cd4000 series, hef400 series, 4500 series, op amps, interface chips, optocouplers, triode automatic identification of voltage regulator value identification, etc 2. Built in Models: Built in various types of chip data models more than 1300 kinds, transistor data models more than 420 kinds, to meet your daily use needs 3. Effective and Practical: Covers most of the common devices within 24 pins, which can significantly reduce the maintenance workload and improve maintenance efficiency 4. Maintenance Tester: Transistor IC tester is a multifunctional maintenance tester designed specifically for front line maintenance personnel, you can choose from different test modes 5v mode, 3.3v mode, auto mode 5. ABS Material: Professional IC tester is made of ABS material, which is wearable and durable, and can be used with confidence Specification: Item Type: IC Tester Material: ABS Test:74ch Series, for Osmo Series, Cd4000 Series, Hef400 Series, 4500 Series, Operational Amplifier, Interface Class Chip, Optocoupler, Transistor Automatic Identification, Voltage Regulator Voltage Value Identification Tester Battery Specifications: 2xAA Batteries (not included) Theoretical Resolution of 5V Voltage: 0.0048v Select Different Test Modes: 5V Mode, 3.3V Mode, Auto Mode Q: Is There a Cycle Test A: Search Directory is 1 + 11 Times Test, Other Directories is Directly 12 Times Test, That Is, Did Not Press the Enter Key Once to Execute 12 Times Test, As Long As There is a Test Does Not Pass That the Chip is Considered a Faulty Chip Testers Are Shipped Without Batteries. Package List: 1 x IC Tester3 x Holder1 x User Manual Note: Q: What is the load testA: Load test that each output pin of the chip in the chip test is added with a certain load, so that it is not working in the no loading state, closer to the chip in the actual circuit work state. The significance of the load test compared to the no loading test is that it can test the chip for soft faults such as reduced drive capability, normal function but aging, weak breakdown. Programmers generally use no loading test, integrated circuit testers generally use a load test, large testers are using multiple load variable impedance test higher accuracy. This machine uses a fixed load test, the effect is worse than the large machine better than no loading testQ: What is the significance of the threshold testA: Functional test is the most basic test When the chip is severely damaged such as breakdown, open circuit, etc., only the functional test can be identified. For chip aging, the significance of the threshold test for driving power decline comes to the fore. The following schematic diagram of a logic chip in the vt4 and vt5 in the aging will appear beta value drop resulting in output level is not standard, in the actual board performance may be sometimes normal and sometimes abnormal or although the temperature change fault and disappeared. We use an example to verify: a 74 series chip to a series of its output pins in series with a resistor, simulating the chip aging drive decline. It can be seen that the programmer is incapable of identifying aging devices, and can not distinguish the type. (Please do not misunderstand that there is no intention to denigrate any brand programmer, other brands of programmers are also the same, the reason is that the use of different hardware structure design is different)