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TC514400AZL-70 from TOS,TOSHIBA

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TC514400AZL-70

Manufacturer: TOS, TOSH

70 ns, 4-bit generation dynamic RAM
Partnumber Manufacturer Quantity Availability
TC514400AZL-70,TC514400AZL70 TOS, TOSH 5015 In Stock

Description and Introduction

70 ns, 4-bit generation dynamic RAM The TC514400AZL-70 is a memory chip manufactured by **Toshiba (TOS)**. Below are the factual specifications, descriptions, and features based on available knowledge:  

### **Specifications:**  
- **Manufacturer:** Toshiba (TOS)  
- **Part Number:** TC514400AZL-70  
- **Type:** DRAM (Dynamic Random-Access Memory)  
- **Density:** 4Mbit (512K x 8)  
- **Speed:** 70ns access time  
- **Voltage:** 5V  
- **Package:** 28-pin SOJ (Small Outline J-Lead)  
- **Operating Temperature:** Commercial (0°C to 70°C)  

### **Descriptions & Features:**  
- **Organization:** 512K words x 8 bits  
- **Refresh:** 4K refresh cycles every 64ms  
- **Low Power Consumption:** Standby and active power-saving modes  
- **Compatibility:** Industry-standard pinout for easy integration  
- **High Reliability:** Designed for stable performance in computing applications  

This chip was commonly used in older computer systems, embedded applications, and industrial electronics requiring low-density DRAM.  

Let me know if you need further details.

Application Scenarios & Design Considerations

70 ns, 4-bit generation dynamic RAM

Alternative Part Number

  • IS41C4402-70J --: Pin-compatible 4Mbit DRAM with 70ns access time, widely available and commonly used as a drop-in replacement for Toshiba TC514400 series.
  • AS4C4M4A-70JIN --: Alliance Memory specializes in legacy DRAM replacements; this 4Mbit part matches the 70ns speed grade and organization of the original.
  • HM514400AZ-70 --: Equivalent 4Mbit DRAM from Hitachi with the same 70ns access time and similar package, suitable as a functional substitute.
  • AS4C4M4A-70TC --: Alliance Memory specializes in legacy DRAM replacements; this 4Mx4 70ns EDO/FPM part matches the TC514400AZL-70 organization and speed, making it a strong drop-in candidate.
  • IS41C4402-70T --: ISSI 4Mx4 70ns DRAM with similar asynchronous interface and timing, widely used as a second-source replacement for Toshiba 4M DRAMs.
  • MT4C4001-70 --: Micron 4Mx4 70ns DRAM offering comparable density, speed grade, and asynchronous access timing for legacy designs.

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