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HY57V643220DTP-7 from HYINX

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HY57V643220DTP-7

Manufacturer: HYINX, HY, NYNIX, Hynix

4Banks x 512K x 32bits Synchronous DRAM
Partnumber Manufacturer Quantity Availability
HY57V643220DTP-7,HY57V643220DTP7 HYINX, HY, NYNIX, Hynix 10624 In Stock

Description and Introduction

4Banks x 512K x 32bits Synchronous DRAM The part **HY57V643220DTP-7** is a **64Mb (4Mx16) SDRAM** manufactured by **NYNIX**.  

### Key Specifications:  
- **Density:** 64Mb (4M words × 16 bits)  
- **Organization:** 4 banks × 1M words × 16 bits  
- **Voltage:** 3.3V  
- **Speed:** 7ns (143MHz)  
- **Package:** 54-pin TSOP II  
- **Refresh:** 4096 refresh cycles / 64ms  
- **Operating Temperature:** Commercial (0°C to +70°C)  
- **Interface:** Synchronous DRAM (SDRAM)  

This part is commonly used in memory modules and embedded systems requiring moderate-speed SDRAM.  

(Note: NYNIX is a distributor/rebrander, and the original manufacturer may be Hynix or another DRAM supplier.)

Application Scenarios & Design Considerations

4Banks x 512K x 32bits Synchronous DRAM

Alternative Part Number

  • IS42S32200E-7TL --: Same 64Mb SDR SDRAM organization (2M x 32) with 7ns speed grade and 3.3V supply; widely available drop-in-class alternative.
  • MT48LC2M32B2P-7 --: 64Mb SDR SDRAM in 2M x 32 configuration, 7ns speed, compatible interface and timing; mature and well-stocked part.
  • W9825G6JH-7 --: 64Mb SDR SDRAM organized as 2M x 32 with 7ns speed grade, suitable replacement for the same memory density and bus width.
  • W9825G6JH-6 --: SDR SDRAM with comparable density and 32-bit organization, 3.3V interface and similar timing, suitable as an alternative when the original part is unavailable.

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