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TMS4256-10SDL from TI,Texas Instruments

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TMS4256-10SDL

Manufacturer: TI

262,144-BIT DYNAMIC RANDOM-ACCESS MEMORIES

Partnumber Manufacturer Quantity Availability
TMS4256-10SDL,TMS425610SDL TI 24 In Stock

Description and Introduction

262,144-BIT DYNAMIC RANDOM-ACCESS MEMORIES The TMS4256-10SDL is a DRAM (Dynamic Random Access Memory) chip manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Type:** 256K (262,144 x 1-bit) Dynamic RAM  
- **Access Time:** 100 ns  
- **Operating Voltage:** 5V ±10%  
- **Package:** 16-pin DIP (Dual In-line Package)  
- **Refresh Cycles:** 512 cycles every 8 ms  
- **Operating Temperature Range:** 0°C to 70°C  

### **Descriptions and Features:**  
- **High-Speed Operation:** Designed for systems requiring fast memory access.  
- **Low Power Consumption:** Optimized for power efficiency.  
- **Single 5V Supply:** Simplifies power requirements.  
- **Standard JEDEC Pinout:** Ensures compatibility with industry-standard designs.  
- **Dynamic Refresh:** Requires periodic refresh cycles to maintain data integrity.  
- **TTL-Compatible Inputs/Outputs:** Ensures easy interfacing with standard logic circuits.  

This chip was commonly used in early computing and embedded systems.

Application Scenarios & Design Considerations

262,144-BIT DYNAMIC RANDOM-ACCESS MEMORIES

Alternative Part Number

  • AS4C256K16F-60JC --: 256K x 16 DRAM in a 40-pin SOJ package, functionally equivalent to the TMS4256 and widely used as a drop-in replacement for legacy TI DRAMs.
  • MT4C4256C-10 --: 256K x 4 DRAM with 100 ns access time, matching the TMS4256 organization and speed grade for legacy designs.
  • HM514256A-10 --: 256K x 4 DRAM with 100 ns access time in a standard SOJ package, a common second-source equivalent for the TMS4256 series.

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