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IS61LV256-15JI from ICSI

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IS61LV256-15JI

Manufacturer: ICSI, ISSI

32K X 8 LOW VOLTAGE CMOS STATIC RAM

Partnumber Manufacturer Quantity Availability
IS61LV256-15JI,IS61LV25615JI ICSI, ISSI 2825 In Stock

Description and Introduction

32K X 8 LOW VOLTAGE CMOS STATIC RAM The IS61LV256-15JI is a 262,144-word by 16-bit high-speed CMOS static RAM (SRAM) manufactured by ICSI (Integrated Circuit Solution Inc.). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Organization:** 262,144 words × 16 bits (256K × 16)  
- **Access Time:** 15 ns  
- **Operating Voltage:** 3.3V  
- **Operating Current:** 70 mA (typical)  
- **Standby Current:** 5 mA (typical)  
- **Package:** 44-pin TSOP II (Type I)  
- **Operating Temperature Range:** -40°C to +85°C (Industrial)  
- **I/O Interface:** CMOS-compatible  

### **Descriptions:**
- The IS61LV256-15JI is a low-power, high-performance SRAM designed for applications requiring fast access times and low power consumption.  
- It is suitable for industrial-grade applications due to its wide temperature range.  
- The device supports asynchronous operation with separate byte controls (UB, LB) for flexible data handling.  

### **Features:**
- **High-Speed Access:** 15 ns access time.  
- **Low Power Consumption:**  
  - Active current: 70 mA (typical)  
  - Standby current: 5 mA (typical)  
- **3.3V Single Power Supply:** Compatible with low-voltage systems.  
- **Byte Control:** Upper byte (UB) and lower byte (LB) enable individual byte access.  
- **Fully Static Operation:** No clock or refresh required.  
- **Tri-State Outputs:** Allows direct interfacing with common data buses.  
- **Industrial Temperature Range:** -40°C to +85°C.  
- **Lead-Free & RoHS Compliant:** Environmentally friendly.  

This information is based on the manufacturer's datasheet for the IS61LV256-15JI.

Application Scenarios & Design Considerations

32K X 8 LOW VOLTAGE CMOS STATIC RAM

Alternative Part Number

  • CY7C199-15VC --: 32K x 8 asynchronous SRAM with 15 ns access time in a 28-pin SOJ package, functionally equivalent to the IS61LV256-15JI and widely available from a major SRAM vendor.
  • AS7C256-15JC --: Direct 32K x 8 low-voltage SRAM replacement with 15 ns speed in the same SOJ footprint, commonly used as a drop-in substitute for ISSI 256K SRAM parts.
  • IS62WV256-15TI --: Same manufacturer family 32K x 8 low-power SRAM with 15 ns access time in a TSOP package, offering similar timing and voltage characteristics as an alternative source.
  • HM628512ALP-15 --: Low-power 32K x 8 SRAM with 15 ns access time, widely used as a second-source equivalent for the IS61LV256 family.

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