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K4H561638D-TCB0 from SAMSUNG

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K4H561638D-TCB0

Manufacturer: SAMSUNG

128Mb DDR SDRAM

Partnumber Manufacturer Quantity Availability
K4H561638D-TCB0,K4H561638DTCB0 SAMSUNG 480 In Stock

Description and Introduction

128Mb DDR SDRAM The **K4H561638D-TCB0** is a memory chip manufactured by **SAMSUNG**. Below are its specifications, descriptions, and features based on factual information from Ic-phoenix technical data files:  

### **Specifications:**  
- **Manufacturer:** Samsung  
- **Part Number:** K4H561638D-TCB0  
- **Type:** DDR SDRAM (Double Data Rate Synchronous Dynamic Random-Access Memory)  
- **Density:** 256Mb (32M x 8)  
- **Organization:** 32M words × 8 bits  
- **Voltage:** 2.5V ± 0.2V  
- **Speed:** 400MHz (DDR400)  
- **Package:** 66-pin TSOP-II (Thin Small Outline Package)  
- **Refresh Mode:** 4K refresh cycles (64ms)  
- **Burst Length:** 2, 4, 8  
- **CAS Latency (CL):** 2, 2.5, 3  
- **Operating Temperature:** Commercial (0°C to 70°C) or Industrial (-40°C to 85°C) depending on variant  

### **Descriptions & Features:**  
- **High-Speed Data Transfer:** Supports **DDR400 (PC3200)** with a data transfer rate of **400Mbps/pin**.  
- **Low Power Consumption:** Operates at **2.5V**, optimizing power efficiency.  
- **On-Die Termination (ODT):** Reduces signal reflections for improved signal integrity.  
- **Bi-Directional Data Strobe (DQS):** Ensures accurate data capture.  
- **Programmable CAS Latency (CL):** Supports **CL2, CL2.5, and CL3** for flexibility in timing configurations.  
- **Auto Precharge & Self-Refresh:** Enhances power management.  
- **Double Data Rate Architecture:** Transfers data on both rising and falling clock edges.  
- **Compatible with JEDEC Standards:** Compliant with **DDR SDRAM specifications**.  

This chip is commonly used in **PC memory modules, embedded systems, and networking equipment**.  

Would you like any additional technical details?

Application Scenarios & Design Considerations

128Mb DDR SDRAM

Alternative Part Number

  • MT48LC16M16A2P-6A --: 16M x 16 SDR SDRAM in TSOP-54, same density and organization as the original, widely available and pin-compatible replacement.
  • IS42S16160D-6TL --: 16M x 16 SDR SDRAM with matching 54-pin TSOP package and 3.3V interface, a common drop-in alternative for Samsung DDR SDRAM parts.
  • W9825G6KH-6 --: 16M x 16 SDR SDRAM in TSOP-54, comparable speed grade and voltage, suitable as a cost-effective substitute.

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