ER3400

ER3400 is an integrated circuit (IC) primarily used as a 4096-bit Electrically Alterable Read-Only Memory (EAROM). It was originally manufactured by General Instrument (GI) using Metal-Nitride-Oxide-Semiconductor (MNOS) technology and is often found in older electronics like TV receivers for channel selection storage.

Technical Specifications

• Organization: It is organized as 1024 words x 4 bits.
• Package Type: Typically comes in a 22-pin Dual In-line Package (DIP-22).
• Data Retention: Offers 10-year data storage for the standard ER3400 model.
• Power Supply: Requires three specific supply voltages: +5V (Vss), -12V (VDD), and -30V (VGG).
• Performance: Features a maximum read access time of 900ns, a write time of 1ms, and an erase time of 10ms.
• Logic Compatibility: Inputs are TTL compatible with pull-up resistors.

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