Microchip Technology AT27C256R-12TC

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AT27C256R-12TC - High-Performance 256Kbit EPROM Memory IC

The AT27C256R-12TC from Microchip Technology is a premium 256Kbit (32K x 8) EPROM (Erasable Programmable Read-Only Memory) designed for mission-critical applications in aerospace, automotive, and industrial systems. Featuring a fast 120ns access time and reliable parallel interface, this surface-mount memory IC delivers exceptional performance and data retention for embedded systems requiring non-volatile storage.

This OTP (One-Time Programmable) EPROM operates across a wide voltage range of 4.5V to 5.5V and maintains stable operation in demanding temperature environments (0°C to 70°C). The compact 28-TSOP package (11.80mm width) makes it ideal for space-constrained PCB designs while ensuring robust connectivity and thermal performance.

Key Features & Benefits

  • Fast Access Time: 120ns access time ensures rapid data retrieval for time-sensitive applications
  • Non-Volatile Storage: Retains programmed data without power, perfect for firmware and configuration storage
  • Wide Operating Range: Functions reliably across 4.5V-5.5V supply voltage and 0°C-70°C temperature range
  • Parallel Interface: Standard parallel bus architecture simplifies integration with legacy and modern microcontroller systems
  • Surface Mount Package: 28-TSOP form factor optimizes board space and manufacturing efficiency
  • Industrial-Grade Reliability: Manufactured by Microchip Technology with stringent quality controls for long-term dependability

Applications

The AT27C256R-12TC is engineered for demanding applications including:

  • Embedded system firmware storage
  • Automotive ECU programming
  • Industrial control systems
  • Aerospace avionics and instrumentation
  • Legacy system maintenance and upgrades
  • Configuration data storage for microcontrollers

Why Choose HQICKEY?

At HQICKEY, we specialize in authentic, high-reliability semiconductor components for professional applications. Every AT27C256R-12TC is sourced directly from authorized distributors, ensuring genuine Microchip Technology quality with full traceability and compliance documentation.

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Product attributes Property Value
Manufacturer Microchip Technology
Product Series
Packaging Tray |
Memory Type Non-Volatile
Memory Format EPROM
Technology EPROM - OTP
Memory Size 256Kbit
Memory Organization 32K x 8
Memory Interface Parallel
Clock Frequency -
Write Cycle Time - Word, Page -
Access Time 120 ns
Voltage - Supply 4.5V ~ 5.5V
Operating Temperature 0°C ~ 70°C (TC)
Grade -
Qualification -
Mounting Type Surface Mount
Package / Case 28-TSSOP (0.465", 11.80mm Width)
Supplier Device Package 28-TSOP