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HY57V643220DT-7 from HY

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15.625ms

HY57V643220DT-7

Manufacturer: HY

4Banks x 512K x 32bits Synchronous DRAM

Partnumber Manufacturer Quantity Availability
HY57V643220DT-7,HY57V643220DT7 HY 1980 In Stock

Description and Introduction

4Banks x 512K x 32bits Synchronous DRAM The HY57V643220DT-7 is a 64Mbit (4M x 16) SDRAM manufactured by Hynix (now SK Hynix).  

**Key Specifications:**  
- **Density:** 64Mbit (4M words x 16 bits)  
- **Organization:** 4 banks, 1M x 16 per bank  
- **Voltage:** 3.3V ± 0.3V  
- **Speed:** 7ns (143MHz @ CL=2)  
- **Refresh:** 4096 refresh cycles / 64ms  
- **Interface:** LVTTL  
- **Package:** 54-pin TSOP-II  
- **Operating Temperature:** Commercial (0°C to 70°C)  
- **Burst Length:** 1, 2, 4, 8, or full page  
- **CAS Latency (CL):** 2 or 3  

This SDRAM is commonly used in networking, telecommunications, and embedded systems.

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