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TC514400ASJL-70 from TOSHIBA

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TC514400ASJL-70

Manufacturer: TOSHIBA, TOS

70 ns, 4-bit generation dynamic RAM
Partnumber Manufacturer Quantity Availability
TC514400ASJL-70,TC514400ASJL70 TOSHIBA, TOS 376 In Stock

Description and Introduction

70 ns, 4-bit generation dynamic RAM The part **TC514400ASJL-70** is a **4M (256K x 16) CMOS Pseudo Static RAM (PSRAM)** manufactured by **Toshiba**.  

### **Specifications:**  
- **Organization:** 256K words × 16 bits  
- **Operating Voltage:** 3.3V ± 0.3V  
- **Access Time:** 70 ns  
- **Package:** 44-pin TSOP (Thin Small Outline Package)  
- **Operating Temperature Range:** Commercial (0°C to +70°C)  
- **Interface:** Asynchronous  
- **Refresh:** Self-refresh capability (no external refresh required)  
- **Standby Current:** Low power consumption in standby mode  

### **Descriptions & Features:**  
- **High-Speed Operation:** Suitable for applications requiring fast memory access.  
- **Low Power Consumption:** Optimized for battery-powered and portable devices.  
- **CMOS Technology:** Ensures reliability and efficiency.  
- **Pseudo Static RAM (PSRAM):** Combines the benefits of SRAM (no refresh cycles) and DRAM (high density).  
- **Wide Operating Voltage Range:** Supports 3.3V ± 0.3V for compatibility with various systems.  
- **TSOP Package:** Compact form factor for space-constrained designs.  

This PSRAM is commonly used in embedded systems, networking devices, and consumer electronics requiring moderate-speed, low-power memory.

Application Scenarios & Design Considerations

70 ns, 4-bit generation dynamic RAM

Alternative Part Number

  • AS4C4M4SA-7TCN --: 4M x 4-bit 70ns asynchronous DRAM in a 28-pin SOJ package, pin-compatible with the TC514400ASJL and widely used as a drop-in replacement.
  • IS41C4404-70J --: 4M x 4-bit 70ns fast-page-mode DRAM in a 28-pin SOJ, functionally equivalent to the Toshiba part with matching speed grade.
  • MT4C4004C-7 --: 4M x 4-bit 70ns DRAM in a 28-pin SOJ package, offering equivalent density, organization, and access time for legacy designs.
  • IS41C4402-70J --: 4M x 4-bit fast page mode DRAM with 70ns access time in a SOJ package, matching the original density, organization, and speed grade.
  • MT4C4001JC-7 --: 4M x 4-bit 70ns DRAM in a J-lead SOJ package, offering comparable organization and timing for legacy designs.

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