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IS61LV25616-15T

Manufacturer: ISSI

256K x 16 HIGH SPEED ASYNCHRONOUS CMOS STATIC RAM WITH 3.3V SUPPLY

Partnumber Manufacturer Quantity Availability
IS61LV25616-15T,IS61LV2561615T ISSI 3528 In Stock

Description and Introduction

256K x 16 HIGH SPEED ASYNCHRONOUS CMOS STATIC RAM WITH 3.3V SUPPLY The IS61LV25616-15T is a high-speed 256K x 16 (4M-bit) CMOS static RAM (SRAM) manufactured by ISSI (Integrated Silicon Solution, Inc.).  

### **Key Specifications:**  
- **Organization:** 256K x 16 (4,194,304 bits)  
- **Voltage Supply:** 3.3V (±10%)  
- **Access Time:** 15 ns  
- **Operating Current:** 90 mA (typical)  
- **Standby Current:** 10 mA (typical)  
- **Package:** 44-pin TSOP (Thin Small Outline Package)  
- **Operating Temperature Range:** Commercial (0°C to +70°C) or Industrial (-40°C to +85°C)  

### **Features:**  
- **High-Speed Performance:** 15 ns access time  
- **Low Power Consumption:**  
  - Active current: 90 mA (typical)  
  - Standby current: 10 mA (typical)  
- **CMOS Technology:** Low power and high noise immunity  
- **Single 3.3V Power Supply:** Compatible with low-voltage systems  
- **Fully Static Operation:** No clock or refresh required  
- **Three-State Outputs:** Directly TTL-compatible  
- **Industrial Temperature Support:** Available in -40°C to +85°C range  
- **Lead-Free & RoHS Compliant:** Environmentally friendly  

### **Applications:**  
- Networking equipment  
- Telecommunications  
- Embedded systems  
- Industrial control systems  
- High-performance computing  

This SRAM is designed for applications requiring fast, low-power memory with a compact footprint.

Application Scenarios & Design Considerations

256K x 16 HIGH SPEED ASYNCHRONOUS CMOS STATIC RAM WITH 3.3V SUPPLY

Alternative Part Number

  • CY7C1041CV33-15ZXC --: Pin-compatible 256K x 16 asynchronous SRAM with 15 ns access time, widely available and a common drop-in replacement for the IS61LV25616.
  • AS7C256A-15TCN --: Direct 256K x 16 low-voltage SRAM alternative with matching 15 ns speed and TSOP package, often used as a second-source for ISSI parts.
  • LY62L25616-15LL --: Equivalent 256K x 16 3.3V asynchronous SRAM with 15 ns access time, suitable as a cost-effective alternative with similar timing and pinout.
  • AS7C34096A-15TCN --: Alliance Memory specializes in legacy SRAM replacements; this 256Kx16 15 ns device matches the IS61LV25616 pinout and timing closely.
  • IS62WV25616EBLL-45TLI --: Same manufacturer low-power 256Kx16 SRAM family with compatible pinout; slightly slower speed but a reliable same-vendor fallback.

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