Overview
The M48Z02-70PC1 is a non-volatile static RAM (SRAM) produced by STMicroelectronics. This component is part of the M48Z02/12 series, which features integrated, ultra-low power SRAM and power-fail control circuitry. It is designed to be pin and function compatible with JEDEC standard 2 K x 8 SRAMs and also fits into many ROM, EPROM, and EEPROM sockets. The device includes a self-contained battery in the CAPHAT™ DIP package, ensuring data retention for at least 10 years in the absence of power over the commercial operating temperature range.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Capacity | 2 K x 8 (16 kbit) | |
| Supply Voltage (VCC) | 4.75 to 5.5 V | V |
| Power-fail Deselect Voltage (VPFD) | 4.5 to 4.75 V | V |
| Battery Backup Switchover Voltage (VSO) | 3.0 V | V |
| Ambient Operating Temperature (TA) | 0 to 70 °C | °C |
| READ Cycle Time | 70 to 150 ns | ns |
| WRITE Cycle Time | 70 to 150 ns | ns |
| Input Leakage Current (ILI) | ±1 µA | µA |
| Supply Current (ICC) | 80 mA | mA |
| Standby Supply Current (ICC1, ICC2) | 3 mA | mA |
| Data Retention Time | 10 years | years |
Key Features
- Integrated, ultra-low power SRAM and power-fail control circuitry.
- Unlimited WRITE cycles.
- Automatic power-fail chip deselect and WRITE protection.
- Self-contained battery in the CAPHAT™ DIP package.
- Pin and function compatible with JEDEC standard 2 K x 8 SRAMs.
- RoHS compliant with lead-free second level interconnect.
- No special WRITE timing or limitations on the number of WRITEs.
Applications
The M48Z02-70PC1 is suitable for various applications requiring non-volatile memory, such as:
- Industrial control systems.
- Medical devices.
- Aerospace and defense systems.
- Automotive systems.
- Any system requiring reliable data retention during power failures.
Q & A
- What is the capacity of the M48Z02-70PC1?
The M48Z02-70PC1 has a capacity of 2 K x 8 (16 kbit). - What is the supply voltage range for the M48Z02-70PC1?
The supply voltage range is 4.75 to 5.5 V. - How long does the battery backup last?
The battery backup is designed to maintain data functionality for at least 10 years in the absence of power. - Is the M48Z02-70PC1 compatible with other SRAMs?
Yes, it is pin and function compatible with JEDEC standard 2 K x 8 SRAMs. - What are the key features of the power-fail control circuitry?
The power-fail control circuitry includes automatic power-fail chip deselect and WRITE protection, ensuring data security during power failures. - What is the READ cycle time of the M48Z02-70PC1?
The READ cycle time is between 70 to 150 ns. - Does the M48Z02-70PC1 require special WRITE timing?
No, it does not require special WRITE timing or limitations on the number of WRITEs. - Is the M48Z02-70PC1 RoHS compliant?
Yes, it is RoHS compliant with lead-free second level interconnect. - How does the device handle power-fail deselect?
The device automatically power-fail deselects and write protects itself when VCC falls within the VPFD window. - What is the recommended bypass capacitor value for stabilizing the VCC bus?
A ceramic bypass capacitor value of 0.1 µF is recommended.
