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IS62C256AL-45ULI from Pb-free

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IS62C256AL-45ULI

Manufacturer: Pb-free, ISSI

32K x 8 LOW POWER CMOS STATIC RAM
Partnumber Manufacturer Quantity Availability
IS62C256AL-45ULI,IS62C256AL45ULI Pb-free, ISSI 50675 In Stock

Description and Introduction

32K x 8 LOW POWER CMOS STATIC RAM The IS62C256AL-45ULI is a high-speed CMOS static RAM (SRAM) manufactured by ISSI (Integrated Silicon Solution Inc.). Below are the key specifications, descriptions, and features:

### **Specifications:**  
- **Density:** 256Kb (32K x 8-bit)  
- **Operating Voltage:** 5V ±10%  
- **Access Time:** 45ns  
- **Operating Current:** 40mA (typical)  
- **Standby Current:** 10μA (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 28-pin SOIC (Small Outline Integrated Circuit)  

### **Descriptions:**  
- **Type:** Asynchronous SRAM  
- **Organization:** 32,768 words x 8 bits  
- **Technology:** High-speed CMOS  
- **Pin Configuration:** Compatible with industry-standard 28-pin SRAMs  

### **Features:**  
- **Low Power Consumption:** CMOS technology ensures low active and standby current.  
- **High-Speed Operation:** 45ns access time for fast read/write operations.  
- **Wide Voltage Range:** Supports 4.5V to 5.5V operation.  
- **Fully Static Operation:** No clock or refresh required.  
- **Tri-State Outputs:** Allows direct connection to a common bus.  
- **TTL-Compatible Inputs/Outputs:** Ensures easy interfacing with TTL logic.  
- **Data Retention:** Guaranteed in standby mode with reduced voltage (2V).  

This SRAM is commonly used in industrial, automotive, and computing applications requiring fast, low-power memory.

Application Scenarios & Design Considerations

32K x 8 LOW POWER CMOS STATIC RAM

Alternative Part Number

  • CY62256NLL-70SNXI --: 32K x 8 low-power asynchronous SRAM in the same 28-pin TSOP/SOIC footprint with comparable access time and industrial temperature range, widely available and pin-compatible for most IS62C256AL sockets.
  • AS6C62256-55SIN --: Direct 32K x 8 low-power CMOS SRAM alternative with 55 ns access time, industrial grade and Pb-free, commonly used as a drop-in replacement for IS62C256AL devices.
  • LY62256SL-55LLI --: 32K x 8 low-power SRAM with 55 ns speed, industrial temperature support and Pb-free packaging, offering similar timing and interface characteristics for legacy 62256-type designs.
  • CY62256NLL-55SNXI --: 32K x 8 low-power SRAM with comparable 55 ns access time and pin-compatible SOIC package, widely available and a common drop-in for IS62C256 series.
  • AS6C2568-55SIN --: Alliance Memory specializes in legacy SRAM replacements; this 256K-bit low-power SRAM matches the 32K x 8 organization and 5V interface of the original.
  • LY62L2568LL-55LLI --: Lyontek low-power 32K x 8 SRAM with 55 ns speed grade, functionally equivalent to the IS62C256AL and suitable as a second-source alternative.
  • LY62L256LL-55LLI --: 32K x 8 low-power CMOS SRAM with 55 ns speed and industrial temperature support, offered as a drop-in replacement for ISSI 62256-series parts.

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