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SMJ27C256-17JM from ASI

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SMJ27C256-17JM

Manufacturer: ASI, TI

256K UVEPROM

Partnumber Manufacturer Quantity Availability
SMJ27C256-17JM,SMJ27C25617JM ASI, TI 6647 In Stock

Description and Introduction

256K UVEPROM The SMJ27C256-17JM is a 256K (32K x 8) UV erasable and electrically programmable read-only memory (EPROM) manufactured by ASI.  

### **Specifications:**  
- **Organization:** 32K x 8  
- **Access Time:** 170 ns  
- **Operating Voltage:** 5V ± 10%  
- **Power Consumption:**  
  - Active: 100 mA (max)  
  - Standby: 40 mA (max)  
- **Programming Voltage (VPP):** 12.5V  
- **Package:** 28-pin PLCC (Plastic Leaded Chip Carrier)  
- **Operating Temperature Range:** 0°C to +70°C  
- **Data Retention:** 10 years minimum  

### **Descriptions & Features:**  
- **UV Erasable:** Can be erased by exposure to ultraviolet light.  
- **Electrically Programmable:** Supports standard EPROM programming methods.  
- **Single 5V Power Supply:** Simplifies system integration.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  
- **Three-State Outputs:** Allows for bus-oriented applications.  
- **JEDEC Standard Pinout:** Ensures compatibility with industry-standard sockets.  

This EPROM is designed for applications requiring non-volatile memory storage, such as firmware storage in embedded systems.

Application Scenarios & Design Considerations

256K UVEPROM

Alternative Part Number

  • M27C256B-15F1 --: 256Kbit (32K x 8) UV EPROM in a 28-pin DIP with 150 ns access time, functionally equivalent to the SMJ27C256 and widely available.
  • AM27C256-155DC --: 256Kbit CMOS EPROM with 150 ns access time in a 28-pin ceramic DIP, a direct pin-compatible replacement for the SMJ27C256-17JM.
  • TMS27C256-15JL --: 256Kbit UV-erasable EPROM with 150 ns access time in a 28-pin DIP, offering comparable speed and pinout for the original device.
  • AT27C256R-15PU --: 256Kbit OTP EPROM, 150 ns, 28-pin DIP, pin-compatible replacement for the SMJ27C256 with similar speed grade and operating characteristics.
  • AM27C256-150DC --: 256Kbit CMOS EPROM, 150 ns, 28-pin DIP, a classic pin-compatible alternative to the 27C256 series with matching organization and interface.

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