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TMS27C020-12JE from TI,Texas Instruments

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TMS27C020-12JE

Manufacturer: TI

READ-ONLY MEMORIES

Partnumber Manufacturer Quantity Availability
TMS27C020-12JE,TMS27C02012JE TI 4783 In Stock

Description and Introduction

READ-ONLY MEMORIES The **TMS27C020-12JE** is a 256K x 8 (2-megabit) UV-erasable and electrically programmable read-only memory (EPROM) manufactured by **Texas Instruments (TI)**.  

### **Key Specifications:**  
- **Organization:** 256K x 8 (2,097,152 bits)  
- **Access Time:** 120 ns  
- **Operating Voltage:** 5V ± 10%  
- **Power Consumption:**  
  - Active: 100 mA (max)  
  - Standby: 30 mA (max)  
- **Package:** 32-pin PLCC (Plastic Leaded Chip Carrier)  
- **Operating Temperature Range:** 0°C to 70°C (commercial grade)  
- **Programming Voltage (VPP):** 12.5V  
- **Data Retention:** 10 years minimum  

### **Features:**  
- **UV-Erasable:** Can be erased with UV light for reprogramming.  
- **Single 5V Power Supply:** Standard operation at 5V.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  
- **Three-State Outputs:** Allows bus sharing in microprocessor systems.  
- **JEDEC Standard Pinout:** Ensures compatibility with other EPROMs of the same density.  
- **Programmable:** Supports standard EPROM programming methods.  

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

Application Scenarios & Design Considerations

READ-ONLY MEMORIES

Alternative Part Number

  • M27C2001-12F1 --: 2 Mbit UV EPROM in a 32-pin CERDIP package with 120 ns access time, functionally equivalent to the TMS27C020 and pin-compatible.
  • AM27C020-120DC --: 2 Mbit CMOS EPROM with 120 ns access time in a 32-pin CERDIP, direct functional replacement for the TMS27C020-12JE.
  • M27C2001-12C1 --: Same 2 Mbit EPROM density and 120 ns speed in a 32-pin windowed CERDIP, suitable drop-in alternative with different series naming.

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