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IS62C256-45UI from ISSI

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IS62C256-45UI

Manufacturer: ISSI, ISSI,ISSI一

32K x 8 LOW POWER CMOS STATIC RAM

Partnumber Manufacturer Quantity Availability
IS62C256-45UI,IS62C25645UI ISSI, ISSI,ISSI一 4760 In Stock

Description and Introduction

32K x 8 LOW POWER CMOS STATIC RAM The IS62C256-45UI is a 32K x 8-bit high-speed CMOS static RAM (SRAM) manufactured by ISSI (Integrated Silicon Solution, Inc.). Below are its key specifications, descriptions, and features:

### **Specifications:**  
- **Organization:** 32K x 8 (262,144 bits)  
- **Operating Voltage:** 4.5V to 5.5V  
- **Access Time:** 45 ns  
- **Operating Current:** 40 mA (typical)  
- **Standby Current:** 10 µA (typical)  
- **Package:** 28-pin SOIC (Small Outline Integrated Circuit)  
- **Operating Temperature Range:** -40°C to +85°C (Industrial)  
- **Data Retention Voltage:** 2V (min)  

### **Descriptions:**  
- The IS62C256-45UI is a low-power, high-performance SRAM designed for applications requiring fast data access and low power consumption.  
- It features a fully static operation, meaning no clock or refresh is required.  
- Compatible with TTL levels for easy interfacing with microcontrollers and other logic devices.  

### **Features:**  
- **High-Speed Access:** 45 ns access time for fast read/write operations.  
- **Low Power Consumption:** CMOS technology ensures low active and standby current.  
- **Wide Voltage Range:** Operates from 4.5V to 5.5V.  
- **Tri-State Outputs:** Allows direct connection to a common bus.  
- **Fully Static Design:** No refresh cycles needed.  
- **Industrial Temperature Range:** Suitable for harsh environments.  
- **Pin-Compatible:** Drop-in replacement for similar SRAMs like 62256.  

This SRAM is commonly used in embedded systems, industrial controls, telecommunications, and other applications requiring reliable, high-speed memory.

Application Scenarios & Design Considerations

32K x 8 LOW POWER CMOS STATIC RAM

Alternative Part Number

  • CY62256LL-70SNXC --: 32K x 8 low-power SRAM in the same 28-pin TSOP/SOIC footprint with comparable access time, widely available and pin-compatible replacement.
  • AS6C62256-55SIN --: Direct 32K x 8 asynchronous SRAM alternative with 55 ns access time, same package options, and commonly used as a drop-in for ISSI 62256 series parts.
  • HM62256BLFP-7 --: Established 32K x 8 SRAM with 70 ns access time in a compatible package, suitable when slightly slower timing is acceptable.
  • HM62256BLP-7 --: Industry-standard 32K x 8 SRAM with compatible pinout and 5V operation; a mature, well-stocked alternative when the ISSI part is unavailable, though the 70 ns speed should be verified against system timing.

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