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M48T35Y-70PC1 from ST,ST Microelectronics

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M48T35Y-70PC1

Manufacturer: ST

256 KBIT (32KB X8) TIMEKEEPER SRAM

Partnumber Manufacturer Quantity Availability
M48T35Y-70PC1,M48T35Y70PC1 ST 894 In Stock

Description and Introduction

256 KBIT (32KB X8) TIMEKEEPER SRAM The **M48T35Y-70PC1** is a **Timekeeper SRAM** manufactured by **STMicroelectronics (ST)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Type:** Non-volatile SRAM (NVSRAM) with a built-in real-time clock (RTC).
- **Density:** 32K × 8 (256 Kbit).
- **Access Time:** 70 ns.
- **Operating Voltage:** 4.5V to 5.5V.
- **Package:** 28-pin **PDIP (Plastic Dual In-line Package)**.
- **Operating Temperature Range:** **0°C to 70°C** (commercial grade).
- **Data Retention:** Minimum **10 years** with power applied.
- **Clock Accuracy:** ±1 minute per month at 25°C.

### **Descriptions:**
- Combines **SRAM** and a **real-time clock (RTC)** in a single chip.
- **Non-volatile** operation ensures data retention even during power loss.
- Includes a **lithium energy source** for backup power.
- Used in applications requiring **timekeeping and data storage**, such as industrial controls, medical devices, and embedded systems.

### **Features:**
- **Automatic power-fail chip deselect** and **write protection**.
- **Battery backup** for SRAM and RTC.
- **Low-power CMOS technology**.
- **Industrial-standard JEDEC pinout** for compatibility.
- **Built-in power-sense circuit** for seamless switch between main and backup power.

This device is designed for **reliable timekeeping and data retention** in systems where power interruptions may occur.

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