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TMS27C128 from TI,Texas Instruments

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TMS27C128

Manufacturer: TI

131 072-BIT UV ERASABLE PROGRAMMABLE READ-ONLY MEMORY

Partnumber Manufacturer Quantity Availability
TMS27C128 TI 6100 In Stock

Description and Introduction

131 072-BIT UV ERASABLE PROGRAMMABLE READ-ONLY MEMORY The TMS27C128 is a 128K (16K x 8) UV-erasable programmable read-only memory (EPROM) manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Organization:** 16K x 8 (128K bits)  
- **Access Time:** 200 ns (TMS27C128-20), 250 ns (TMS27C128-25)  
- **Operating Voltage:** 5V ± 10%  
- **Power Consumption:**  
  - Active: 100 mA (max)  
  - Standby: 30 mA (max)  
- **Programming Voltage (VPP):** 12.5V  
- **Operating Temperature Range:** 0°C to 70°C (commercial), -40°C to 85°C (industrial)  
- **Package Options:** 28-pin DIP, PLCC, or CERDIP  

### **Descriptions & Features:**  
- **UV-Erasable:** Can be erased by exposure to ultraviolet light for reprogramming.  
- **High Reliability:** Endurance of 100 erase/program cycles.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  
- **Three-State Outputs:** Allows for bus-oriented applications.  
- **Programmable:** Supports standard EPROM programming methods.  
- **Industrial-Grade Options:** Available for extended temperature ranges.  

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

Application Scenarios & Design Considerations

131 072-BIT UV ERASABLE PROGRAMMABLE READ-ONLY MEMORY

Alternative Part Number

  • M27C128 --: Pin-compatible 128Kb (16K x 8) UV EPROM with the same 28-pin DIP pinout and access timing, a direct drop-in replacement from a different series.
  • HN27C128 --: Equivalent 128Kb CMOS UV EPROM in a 28-pin package with matching pinout and JEDEC-compatible programming, suitable as a second-source substitute.
  • MBM27C128 --: 128Kb UV EPROM with the same organization and 28-pin pinout, offering comparable speed grades and a distinct naming series for easy identification.

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