HN27C256HG-70

Partnumber	Manufacturer	Quantity	Availability
HN27C256HG-70 Manufacturer: HIT, HITACHI 256k (32k x 8-bit) UV and OPT EPROM
HN27C256HG-70,HN27C256HG70	HIT, HITACHI	7035	In Stock
Description and Introduction 256k (32k x 8-bit) UV and OPT EPROM The HN27C256HG-70 is a 256K-bit (32K x 8) UV-erasable and electrically programmable read-only memory (EPROM) manufactured by Hitachi. Key specifications include: - Organization: 32K x 8 bits - Access Time: 70 ns - Operating Voltage: 5V ±10% - Power Dissipation: - Active: 100 mW (max) - Standby: 40 mW (max) - Programming Voltage (VPP): 12.5V - Package: 28-pin DIP (Dual In-line Package) - Operating Temperature Range: 0°C to +70°C - Data Retention: 10 years minimum - UV Erasure: Wavelength 2537 Å, 15W-sec/cm² minimum exposure This EPROM requires exposure to ultraviolet light for erasure before reprogramming.
Application Scenarios & Design Considerations 256k (32k x 8-bit) UV and OPT EPROM
Alternative Part Number M27C256B-70 --: 256Kbit UV EPROM with 70ns access time, pin-compatible with the original and widely available. TMS27C256-70 --: Equivalent 32K x 8 EPROM with matching 70ns speed and standard JEDEC pinout. AM27C256-70 --: Industry-standard 256Kbit CMOS EPROM, same organization and 70ns timing, suitable drop-in replacement.

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HN27C256HG-70 from HIT