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IS61C1024-25JI from ISSI

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IS61C1024-25JI

Manufacturer: ISSI

128K x 8 HIGH-SPEED CMOS STATIC RAM

Partnumber Manufacturer Quantity Availability
IS61C1024-25JI,IS61C102425JI ISSI 6000 In Stock

Description and Introduction

128K x 8 HIGH-SPEED CMOS STATIC RAM The IS61C1024-25JI is a high-speed CMOS static RAM (SRAM) manufactured by Integrated Silicon Solution, Inc. (ISSI). Below are its key specifications, descriptions, and features:  

### **Specifications:**  
- **Organization:** 128K x 8 (1 Megabit)  
- **Supply Voltage:** 5V ±10%  
- **Access Time:** 25 ns  
- **Operating Current:** 70 mA (typical)  
- **Standby Current:** 10 mA (typical, CMOS level)  
- **Package:** 32-pin PLCC (Plastic Leaded Chip Carrier)  
- **Operating Temperature Range:** -40°C to +85°C (Industrial grade)  
- **Tri-State Outputs:** Yes  
- **Data Retention Voltage:** 2V (min)  

### **Descriptions and Features:**  
- **High-Speed Performance:** 25 ns access time for fast read/write operations.  
- **Low Power Consumption:** CMOS technology ensures low standby current.  
- **Wide Operating Voltage:** Supports 4.5V to 5.5V.  
- **Fully Static Operation:** No clock or refresh required.  
- **Easy Memory Expansion:** Compatible with other standard SRAMs.  
- **Industrial Temperature Range:** Suitable for harsh environments.  
- **Three-State Outputs:** Allows direct interface with common data buses.  

This SRAM is commonly used in embedded systems, networking equipment, and industrial applications requiring reliable, high-speed memory.

Application Scenarios & Design Considerations

128K x 8 HIGH-SPEED CMOS STATIC RAM

Alternative Part Number

  • CY7C1021-25JXC --: Pin-compatible 64K x 16 asynchronous SRAM with 25 ns access time in a PLCC/J-lead package, widely used as a direct substitute for the IS61C1024.
  • AS7C1024-25JCN --: Alliance Memory specializes in legacy SRAM drop-in replacements; this 64K x 16 25 ns SRAM matches the IS61C1024 organization, speed, and package.
  • IS62WV1024-25J --: Same manufacturer low-power 64K x 16 SRAM family with 25 ns speed and compatible pinout, offering a close functional match within ISSI's own portfolio.

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