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M68AF127BM55MC6U from ST,ST Microelectronics

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M68AF127BM55MC6U

Manufacturer: ST, STM

1 MBIT (128K X8) 5.0V ASYNCHRONOUS SRAM

Partnumber Manufacturer Quantity Availability
M68AF127BM55MC6U ST, STM 32000 In Stock

Description and Introduction

1 MBIT (128K X8) 5.0V ASYNCHRONOUS SRAM The **M68AF127BM55MC6U** is a **128 Mbit (16 Mbit x 8) NOR Flash memory** manufactured by **STMicroelectronics (ST)**. Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Density:** 128 Mbit (16 Mbit x 8)  
- **Supply Voltage:** 2.7V to 3.6V  
- **Access Time:** 55 ns  
- **Interface:** Parallel (x8)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 56-lead TSOP  

### **Descriptions:**
- **Type:** NOR Flash memory  
- **Architecture:** Uniform sector architecture  
- **Sector Size:** 64 Kbytes (main sectors) + 8 Kbytes (boot sectors)  
- **Endurance:** 100,000 write/erase cycles per sector  
- **Data Retention:** 20 years  

### **Features:**
- **Fast Read Access Time:** 55 ns  
- **Low Power Consumption:**  
  - Active read current: 20 mA (typical)  
  - Standby current: 20 µA (typical)  
- **Flexible Sector Erase:** Supports sector-by-sector or full-chip erase  
- **Hardware and Software Data Protection:**  
  - Block protection via WP# pin  
  - Password protection for additional security  
- **Compatibility:** JEDEC-standard pinout and command set  
- **Reliable:** Built-in error correction and wear-leveling algorithms  

This NOR Flash memory is suitable for **embedded systems, automotive, industrial, and networking applications** requiring high-speed, non-volatile storage.  

Would you like additional details on any specific aspect?

Application Scenarios & Design Considerations

1 MBIT (128K X8) 5.0V ASYNCHRONOUS SRAM

Alternative Part Number

  • SST39VF010-70-4C-NHE --: 1 Mbit (128K x 8) parallel NOR flash in a 32-pin PLCC package, functionally similar to the 1 Mbit M68AF127B and widely available as a drop-in style replacement.
  • AM29F010B-70JC --: 1 Mbit (128K x 8) 5V parallel NOR flash in a 32-pin PLCC, matching the density, interface and package of the original ST device.
  • M29F010B-70K6 --: Same-vendor 1 Mbit parallel NOR flash in a 32-pin PLCC with compatible pinout and timing, offering a familiar supply path and similar electrical characteristics.
  • AM29LV010B-70JC --: 1 Mbit 3V parallel NOR flash with compatible interface and timing, a common drop-in class replacement.
  • MX29LV040CQC-70G --: 4 Mbit parallel NOR flash offering larger capacity with compatible command set and pinout family, suitable as an upgrade alternative.

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