4Meg x 32 128-MBIT SYNCHRONOUS DRAM The IS42S32400D-7TI is a synchronous DRAM (SDRAM) manufactured by ISSI (Integrated Silicon Solution, Inc.). Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Part Number:** IS42S32400D-7TI
- **Manufacturer:** ISSI (Integrated Silicon Solution, Inc.)
- **Type:** Synchronous DRAM (SDRAM)
- **Density:** 128Mb (4M x 32-bit)
- **Organization:** 4 Banks x 1,048,576 words x 32 bits
- **Voltage Supply:** 3.3V ± 0.3V
- **Speed:** 7ns (143MHz)
- **Interface:** LVTTL
- **Refresh Mode:** Auto-refresh and self-refresh
- **CAS Latency (CL):** 2, 3 programmable
- **Operating Temperature Range:** Industrial (-40°C to +85°C)
- **Package:** 86-pin TSOP-II (Type II)
### **Descriptions:**
- The IS42S32400D-7TI is a high-performance CMOS SDRAM designed for applications requiring high-speed data transfer.
- It supports burst read and write operations with programmable burst lengths (1, 2, 4, 8, or full page).
- The device is compatible with JEDEC standards for SDRAMs.
### **Features:**
- **Fully Synchronous Operation:** All signals are registered on the positive edge of the clock.
- **Programmable Burst Length:** Supports 1, 2, 4, 8, or full-page bursts.
- **Auto Precharge:** Configurable for each burst access.
- **Power Saving Modes:** Supports power-down and self-refresh modes.
- **Single 3.3V Power Supply:** Operates at 3.3V ± 0.3V.
- **Industrial Temperature Range:** Suitable for harsh environments (-40°C to +85°C).
- **Lead-Free & RoHS Compliant:** Meets environmental standards.
This information is based solely on the manufacturer's datasheet and technical documentation.
