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HYB41256-10 from SIEMENS

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HYB41256-10

Manufacturer: SIEMENS, SI, HY

262,144 BIT DYNAMIC RAM

Partnumber Manufacturer Quantity Availability
HYB41256-10,HYB4125610 SIEMENS, SI, HY 1206 In Stock

Description and Introduction

262,144 BIT DYNAMIC RAM The HYB41256-10 is a 256K (262,144 words × 1 bit) dynamic RAM (DRAM) manufactured by Siemens (now part of Infineon Technologies). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 262,144 words × 1 bit  
- **Access Time:** 100 ns  
- **Cycle Time:** 200 ns  
- **Operating Voltage:** +5V ±10%  
- **Power Consumption:**  
  - Active: 330 mW (typical)  
  - Standby: 11 mW (typical)  
- **Refresh Cycles:** 4,096 refresh cycles every 64 ms  
- **Package:** 16-pin DIP (Dual In-line Package)  

### **Descriptions:**
- The HYB41256-10 is a high-speed, low-power DRAM designed for use in computer memory systems.  
- It uses a single +5V power supply and is compatible with standard DRAM interfaces.  
- The device requires periodic refreshing to maintain data integrity.  

### **Features:**
- **High-Speed Operation:** 100 ns access time.  
- **Low Power Consumption:** Reduced power in standby mode.  
- **Single +5V Supply:** Simplifies system design.  
- **Standard 16-Pin DIP Package:** Easy integration into existing systems.  
- **Fully Static Operation:** No clock required for operation.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  

This DRAM was commonly used in early personal computers and embedded systems requiring low-cost, high-density memory.

Application Scenarios & Design Considerations

262,144 BIT DYNAMIC RAM

Alternative Part Number

  • TMS4256-10 --: Pin-compatible 256Kx1 DRAM with 100ns access time, a direct functional equivalent to the HYB41256-10.
  • MSM41256-10 --: Standard 256Kx1 dynamic RAM in the same DIP package with matching 100ns speed grade, widely used as a drop-in replacement.
  • HM50256-10 --: Equivalent 256Kx1 DRAM with 100ns access time and compatible pinout, suitable as an alternative when the original is unavailable.
  • HM41256-10 --: Standard 256Kx1 DRAM with identical pinout and timing, suitable as a drop-in replacement.

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