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TMS27C512-25JL from TI,Texas Instruments

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TMS27C512-25JL

Manufacturer: TI, TI.

65536 by 8 bits programable read-only memories, single 5-V power supply, 250ns

Partnumber Manufacturer Quantity Availability
TMS27C512-25JL,TMS27C51225JL TI, TI. 12069 In Stock

Description and Introduction

65536 by 8 bits programable read-only memories, single 5-V power supply, 250ns The TMS27C512-25JL is a 512K-bit (64K x 8) UV-erasable and electrically programmable read-only memory (EPROM) manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Organization:** 64K x 8  
- **Access Time:** 250 ns  
- **Operating Voltage:** 5V ±10%  
- **Power Consumption:**  
  - Active Current: 30 mA (max)  
  - Standby Current: 100 µA (max)  
- **Programming Voltage (VPP):** 12.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 28-pin Plastic DIP (PDIP)  
- **Technology:** CMOS  

### **Descriptions and Features:**  
- **UV-Erasable:** Can be erased by exposure to ultraviolet light for reprogramming.  
- **High Reliability:** Endurance of at least 1,000 erase/write cycles.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  
- **Tri-State Outputs:** Allows for bus sharing in microprocessor systems.  
- **Programmable:** Supports standard EPROM programming methods.  
- **Industrial Standard Pinout:** Compatible with other 27C512 EPROMs.  

This EPROM is commonly used in embedded systems, firmware storage, and legacy computing applications.

Application Scenarios & Design Considerations

65536 by 8 bits programable read-only memories, single 5-V power supply, 250ns

Alternative Part Number

  • M27C512-25F1 --: 512Kbit UV EPROM with 250ns access time in a 28-pin DIP package, functionally equivalent to the TMS27C512-25JL and widely available.
  • AM27C512-250DC --: 512Kbit CMOS EPROM with 250ns access time, pin-compatible with the TMS27C512 and a common drop-in replacement.
  • NMC27C512Q250 --: 512Kbit EPROM with 250ns access time in a 28-pin DIP, offering equivalent density and speed for direct substitution.

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