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IS41C16257-35K from ICSI

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IS41C16257-35K

Manufacturer: ICSI, ISSI

256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE

Partnumber Manufacturer Quantity Availability
IS41C16257-35K,IS41C1625735K ICSI, ISSI 2261 In Stock

Description and Introduction

256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE The IS41C16257-35K is a DRAM (Dynamic Random Access Memory) component manufactured by ICSI (Integrated Circuit Solution Inc.). Below are the factual specifications, descriptions, and features based on available information:

### **Specifications:**  
- **Part Number:** IS41C16257-35K  
- **Manufacturer:** ICSI (Integrated Circuit Solution Inc.)  
- **Type:** DRAM (Dynamic RAM)  
- **Density:** 256K x 16 (4 Megabit)  
- **Organization:** 262,144 words × 16 bits  
- **Speed:** 35ns (Access Time)  
- **Voltage Supply:** 5V ±10%  
- **Package Type:** 400mil SOJ (Small Outline J-Lead)  
- **Operating Temperature:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C) depending on variant  
- **Refresh Cycles:** 4,096 refresh cycles every 64ms  

### **Descriptions:**  
- The IS41C16257-35K is a high-speed CMOS DRAM designed for applications requiring fast access times and low power consumption.  
- It is commonly used in embedded systems, telecommunications, and industrial applications.  
- The device supports both fast page mode and static column mode operations for improved performance.  

### **Features:**  
- **Fast Page Mode Operation:** Reduces access time for consecutive reads/writes.  
- **Low Power Consumption:** CMOS technology ensures efficient power usage.  
- **Single 5V Power Supply:** Simplifies system design.  
- **Auto-Refresh & Self-Refresh:** Supports standard DRAM refresh requirements.  
- **TTL-Compatible Inputs/Outputs:** Ensures compatibility with standard logic levels.  
- **Industry-Standard Pinout:** Allows drop-in replacement for similar DRAMs.  

This information is based on the manufacturer's datasheet and technical documentation. For exact details, refer to the official ICSI datasheet for the IS41C16257-35K.

Application Scenarios & Design Considerations

256K x 16 (4-MBIT) DYNAMIC RAM WITH FAST PAGE MODE

Alternative Part Number

  • AS4C256K16E0-35JC --: Alliance Memory specializes in legacy DRAM drop-in replacements; this 256Kx16 EDO DRAM matches the 35ns speed grade and 5V interface of the original.
  • MT4C16257C-35 --: Micron 256Kx16 EDO DRAM with 35ns access time, functionally equivalent to the IS41C16257 and widely available as a second source.
  • HM51W16257-35 --: Hitachi 256Kx16 EDO DRAM in the same 35ns speed bin, pin-compatible with the original ICSI device for legacy designs.
  • HM5165165F-35 --: Hitachi 256Kx16 EDO DRAM with 35ns access time offers comparable organization and timing for legacy designs needing an IS41C16257 replacement.

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