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TMS27C020-25JE from TI,Texas Instruments

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TMS27C020-25JE

Manufacturer: TI

READ-ONLY MEMORIES

Partnumber Manufacturer Quantity Availability
TMS27C020-25JE,TMS27C02025JE TI 2596 In Stock

Description and Introduction

READ-ONLY MEMORIES The **TMS27C020-25JE** is a 256K x 8 (2-megabit) UV-erasable and electrically programmable read-only memory (EPROM) manufactured by **Texas Instruments (TI)**.  

### **Key Specifications:**  
- **Memory Organization:** 256K x 8 (2 Mbit)  
- **Access Time:** 250 ns  
- **Operating Voltage:** 5V ± 10%  
- **Programming Voltage (VPP):** 12.5V  
- **Power Consumption:**  
  - Active: 100 mA (max)  
  - Standby: 30 mA (max)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 32-pin PLCC (Plastic Leaded Chip Carrier)  

### **Features:**  
- **UV-Erasable:** Can be erased with ultraviolet light for reprogramming.  
- **Single 5V Power Supply:** For read operations.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  
- **Three-State Outputs:** Supports bus-oriented systems.  
- **JEDEC Standard Pinout:** Ensures compatibility with industry-standard EPROM sockets.  
- **High Reliability:** Endurance of 100 erase/program cycles (typical).  

This EPROM is designed for applications requiring non-volatile memory storage with reprogrammability.

Application Scenarios & Design Considerations

READ-ONLY MEMORIES

Alternative Part Number

  • M27C2001-25F1 --: 2 Mbit UV EPROM in a 32-pin ceramic DIP with 250 ns access time, functionally equivalent to the TMS27C020 and widely available as a drop-in replacement.
  • AM27C020-250DC --: 2 Mbit CMOS EPROM with 250 ns access time in a 32-pin ceramic DIP, pin-compatible with the TMS27C020-25JE and a common second-source option.
  • NMC27C020Q250 --: 2 Mbit EPROM with 250 ns access time in a 32-pin ceramic package, offering equivalent density, speed, and pinout for legacy designs.

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