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HYB514256BJ-60 from SIE

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HYB514256BJ-60

Manufacturer: SIE

256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM

Partnumber Manufacturer Quantity Availability
HYB514256BJ-60,HYB514256BJ60 SIE 3800 In Stock

Description and Introduction

256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM The HYB514256BJ-60 is a DRAM (Dynamic Random-Access Memory) chip manufactured by Siemens (SIE). Below are the factual specifications, descriptions, and features of this part:  

### **Manufacturer:** Siemens (SIE)  
### **Part Number:** HYB514256BJ-60  
### **Type:** DRAM (Dynamic RAM)  
### **Density:** 256K x 4 bits (1Mb)  
### **Organization:** 262,144 words × 4 bits  
### **Access Time:** 60 ns  
### **Operating Voltage:** 5V ±10%  
### **Package Type:** 18-pin DIP (Dual In-line Package)  
### **Refresh Cycles:** 512 cycles every 8 ms  
### **Operating Temperature Range:** 0°C to 70°C  
### **Features:**  
- Fully static operation  
- Single +5V power supply  
- TTL-compatible inputs and outputs  
- Common I/O structure  
- RAS (Row Address Strobe) and CAS (Column Address Strobe) multiplexing  
- Fast page mode operation  

This DRAM chip was commonly used in early computing systems, embedded applications, and industrial electronics where moderate-speed memory was required.

Application Scenarios & Design Considerations

256 K x 4-Bit Dynamic RAM Low Power 256 K x 4-Bit Dynamic RAM

Alternative Part Number

  • AS4C256K16F-60JC --: 256K x 16 DRAM with 60 ns access time, functionally equivalent to the original 256K x 16 fast page mode DRAM and widely available as a drop-in replacement.
  • IS41C16256-60J --: 256K x 16 CMOS DRAM with 60 ns speed grade, matching the original density, organization, and access time for direct substitution.
  • MT4C16256DJ-6 --: 256K x 16 fast page mode DRAM rated at 60 ns, same pinout and organization, suitable as an alternative with comparable timing.

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