Advantest TR4943 EPROM Programer

The Advantest TR4943 EPROM Programmer is a benchtop device for programming and verifying erasable programmable read-only memory across manufacturing, development, and field repair workflows. It programs MOS-type PROM devices from 16K bits to 512K bits in a single socket with real-time feedback via a 16-character by 2-line LCD display. The unit operates across global power standards and maintains a compact footprint suitable for integration into production lines or service benches.

Technical Specifications

• MOS-type PROM programming: 16K bits to 512K bits


• Single socket architecture


• 16-character by 2-line LCD display Power & Environmental


• Input voltage: AC 90 V to 250 V


• Power frequency: 48 Hz to 440 Hz


• Power consumption: Less than 24 VA


• Operating temperature: 0 °C to +40 °C


• Operating humidity: 85% or less


• Storage temperature: -10 °C to +60 °C


• Dimensions: 280 mm (W) × 59 mm (H) × 210 mm (D)


• Weight: 1.5 kg or less

Key Features

• RS232C serial interface (standard)


• Centronics-compatible parallel interface (standard)


• Wide input voltage tolerance accommodates international AC standards


• Minimal power draw under 24 VA enables operation on standard lab circuits


• Compact form factor reduces bench footprint

Typical Applications

• PCB programming during final assembly


• Prototype and development firmware loading


• Field service device reprogramming


• Electronics manufacturing quality assurance

Compatibility & Integration The TR4943 connects to host systems and peripherals via dual-interface design. RS232C and parallel (Centronics) connections enable integration with legacy industrial equipment and contemporary workstations. Support for the full 16K to 512K bit PROM range addresses diverse memory configurations without socket or adapter changes.