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TMS27C040 from TI,Texas Instruments

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TMS27C040

Manufacturer: TI

PROGRAMMABLE READ-ONLY MEMORY

Partnumber Manufacturer Quantity Availability
TMS27C040 TI 1335 In Stock

Description and Introduction

PROGRAMMABLE READ-ONLY MEMORY The TMS27C040 is a 4-megabit (512K x 8) UV-erasable programmable read-only memory (EPROM) manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Organization:** 512K x 8  
- **Access Time:** 120 ns, 150 ns, 200 ns (depending on variant)  
- **Supply Voltage:** 5V ± 10%  
- **Power Consumption:**  
  - Active: 100 mA (max)  
  - Standby: 30 mA (max)  
- **Operating Temperature Range:**  
  - Commercial: 0°C to +70°C  
  - Industrial: -40°C to +85°C  
- **Package Options:** 32-pin PDIP, PLCC, or CERDIP  
- **Programming Voltage (VPP):** 12.5V  
- **Data Retention:** 10 years minimum  

### **Descriptions and Features:**  
- **UV-Erasable:** Can be erased with ultraviolet light for reprogramming.  
- **High Reliability:** Endurance of 1,000 erase/program cycles.  
- **CMOS Technology:** Low power consumption compared to NMOS EPROMs.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  
- **Three-State Outputs:** Allows for bus-oriented applications.  
- **Programmable Security Fuse:** Provides code protection.  
- **JEDEC Standard Pinout:** Compatible with other industry-standard EPROMs.  

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

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