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IS42S32400D-7T from ISSI

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31.250ms

IS42S32400D-7T

Manufacturer: ISSI

4Meg x 32 128-MBIT SYNCHRONOUS DRAM

Partnumber Manufacturer Quantity Availability
IS42S32400D-7T,IS42S32400D7T ISSI 2148 In Stock

Description and Introduction

4Meg x 32 128-MBIT SYNCHRONOUS DRAM The **IS42S32400D-7T** is a **32M x 4-bit (128Mb) Synchronous DRAM (SDRAM)** manufactured by **Integrated Silicon Solution Inc. (ISSI)**.  

### **Specifications:**  
- **Density:** 128Mb (32M x 4-bit)  
- **Organization:** 4 banks, 8,192 rows x 1,024 columns x 4 bits  
- **Voltage:** 3.3V (±0.3V)  
- **Speed Grade:** -7T (143 MHz clock frequency)  
- **Access Time:** 5.4 ns (tAC)  
- **CAS Latency (CL):** 2, 3 programmable  
- **Burst Length:** 1, 2, 4, 8, full page  
- **Interface:** LVTTL  
- **Package:** 54-pin TSOP II (400 mil width)  
- **Refresh:** 8,192 cycles every 64ms (auto-refresh & self-refresh supported)  
- **Operating Temperature:** Commercial (0°C to +70°C)  

### **Features:**  
- Fully synchronous operation (all signals registered on positive clock edge)  
- **Auto Precharge** for efficient bank management  
- **Programmable Burst Mode** (sequential or interleaved)  
- **Single 3.3V ±0.3V power supply**  
- **Auto Refresh (CBR) & Self-Refresh** modes  
- **4 banks operation** for concurrent access  
- **JEDEC-compliant** timing and pinout  

This SDRAM is commonly used in networking, telecommunications, and embedded systems requiring high-speed memory access.

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