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TMS27C512-12JL from TI,Texas Instruments

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TMS27C512-12JL

Manufacturer: TI, TEXAS, YI

65536 by 8 bits programable read-only memories, single 5-V power supply, 120ns

Partnumber Manufacturer Quantity Availability
TMS27C512-12JL,TMS27C51212JL TI, TEXAS, YI 6706 In Stock

Description and Introduction

65536 by 8 bits programable read-only memories, single 5-V power supply, 120ns The TMS27C512-12JL is a 512K-bit (64K x 8) UV-erasable and electrically programmable read-only memory (EPROM) manufactured by Texas Instruments. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 64K x 8  
- **Access Time:** 120 ns  
- **Operating Voltage:** 5V ± 10%  
- **Power Consumption:**  
  - Active: 100 mA (max)  
  - Standby: 40 mA (max)  
- **Programming Voltage (VPP):** 12.5V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package:** 28-pin Plastic DIP (Dual In-line Package)  

### **Descriptions:**
- The TMS27C512-12JL is a high-performance EPROM with a fast access time of 120 ns.  
- It is designed for applications requiring non-volatile memory storage, such as firmware, system BIOS, and embedded systems.  
- The device is UV-erasable, allowing data to be cleared and reprogrammed multiple times.  
- It features a single 5V power supply for read operations and requires a 12.5V programming voltage for writing data.  

### **Features:**
- **High-Speed Access:** 120 ns access time for fast read operations.  
- **Low Power Consumption:** Optimized for both active and standby modes.  
- **UV-Erasable:** Can be erased by exposure to ultraviolet light for reprogramming.  
- **Electrically Programmable:** Supports byte-wise programming.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  
- **Three-State Outputs:** Allows for easy bus interfacing.  
- **Reliable Endurance:** Supports multiple erase/program cycles.  

This device is suitable for applications requiring reliable, reprogrammable non-volatile memory with moderate speed and power efficiency.

Application Scenarios & Design Considerations

65536 by 8 bits programable read-only memories, single 5-V power supply, 120ns

Alternative Part Number

  • M27C512-12F1 --: 512Kbit UV EPROM with 120ns access time in a 28-pin DIP, functionally equivalent to the TMS27C512-12JL and widely available.
  • AM27C512-120DC --: Pin-compatible 512Kbit EPROM with 120ns speed grade, matching the original's density and access time for direct replacement.
  • NMC27C512Q120 --: 512Kbit CMOS EPROM with 120ns access time in a 28-pin package, suitable as a drop-in substitute for the TI part.

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