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IS42S16400C1-7TL from ISSI

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IS42S16400C1-7TL

Manufacturer: ISSI

1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM

Partnumber Manufacturer Quantity Availability
IS42S16400C1-7TL,IS42S16400C17TL ISSI 83 In Stock

Description and Introduction

1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM The IS42S16400C1-7TL is a synchronous DRAM (SDRAM) manufactured by Integrated Silicon Solution Inc. (ISSI). Below are its specifications, descriptions, and features:

### **Specifications:**
- **Density:** 64Mb (4M x 16-bit)  
- **Organization:** 4 banks x 1,048,576 words x 16 bits  
- **Voltage Supply:** 3.3V ± 0.3V  
- **Speed:** 7ns (143MHz)  
- **Package:** 54-pin TSOP-II  
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  
- **Refresh Cycles:** 4,096 refresh cycles every 64ms  
- **CAS Latency (CL):** 2 or 3 programmable  

### **Descriptions:**
- Fully synchronous operation with a single 3.3V power supply.  
- Internal pipelined architecture for high-speed data transfer.  
- Auto refresh and self-refresh modes for power-saving operation.  
- Programmable burst lengths (1, 2, 4, 8, or full page).  
- Supports sequential or interleaved burst mode.  

### **Features:**
- **High-Speed Performance:** 143MHz operation with 7ns access time.  
- **Low Power Consumption:** Auto and self-refresh modes reduce power usage.  
- **Burst Mode Support:** Configurable burst lengths for efficient data transfer.  
- **Compatibility:** Fully JEDEC-standard compliant.  
- **Reliable Refresh:** 4K refresh cycles ensure data integrity.  
- **Wide Temperature Range:** Available in commercial and industrial grades.  

This SDRAM is commonly used in networking, telecommunications, and embedded systems requiring high-speed memory access.

Application Scenarios & Design Considerations

1 Meg Bits x 16 Bits x 4 Banks (64-MBIT) SYNCHRONOUS DYNAMIC RAM

Alternative Part Number

  • MT48LC4M16A2P-7E --: Same 64Mb SDR SDRAM organization (4M x 16) with 7ns speed grade and 54-pin TSOP package, a widely used drop-in equivalent from a major DRAM vendor.
  • W9864G6GH-7 --: 64Mb SDR SDRAM in 4M x 16 configuration with 7ns speed, pin-compatible 54-pin TSOP II, commonly used as a direct substitute for ISSI SDR parts.
  • AS4C4M16SA-7TCN --: Alliance specializes in legacy DRAM replacements; this 64Mb 4M x 16 SDR SDRAM at 7ns in TSOP II matches the original's density, organization, speed, and package.

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