Overview
The M27C4002-10B1 is a 4 Mbit EPROM (Erasable Programmable Read-Only Memory) chip manufactured by STMicroelectronics. This component is designed for data storage and features One-Time Programmable (OTP) technology. Although it is now obsolete and no longer manufactured, it remains relevant for legacy systems requiring non-volatile memory storage.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Part Number | M27C4002-10B1 |
| Memory Size | 4 Mbit (256K x 16) |
| Memory Type | EPROM - OTP |
| Memory Interface | Parallel |
| Access Time | 100 ns |
| Supply Voltage | 4.5 V ~ 5.5 V |
| Operating Temperature | 0°C ~ 70°C (TA) |
| Package / Case | 40-PDIP (0.600", 15.24mm) |
| Mounting Type | Through Hole |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| Lead Free Status / RoHS Status | Lead free / RoHS Compliant |
Key Features
- Non-Volatile Memory: Provides stable long-term data retention.
- One-Time Programmable (OTP): Allows for programming once, ensuring data integrity.
- Parallel Memory Interface: Compatible with various microcontrollers for easy integration.
- Through Hole Mounting: Easy to mount and integrate into existing PCB designs.
- RoHS Compliant: Meets environmental standards for lead-free and RoHS compliance.
Applications
The M27C4002-10B1 is primarily used in legacy electronic systems that require non-volatile memory storage. It is suitable for:
- Data storage applications where data needs to be retained even when power is off.
- Legacy systems that still rely on EPROM technology for firmware or configuration storage.
- Embedded systems where the simplicity and reliability of EPROMs are advantageous.
Q & A
- What is the memory size of the M27C4002-10B1?
The memory size is 4 Mbit, organized as 256K x 16.
- What type of memory interface does the M27C4002-10B1 use?
The memory interface is parallel.
- What is the access time of the M27C4002-10B1?
The access time is 100 ns.
- What is the supply voltage range for the M27C4002-10B1?
The supply voltage range is 4.5 V ~ 5.5 V.
- Is the M27C4002-10B1 RoHS compliant?
Yes, it is lead-free and RoHS compliant.
- What is the mounting type of the M27C4002-10B1?
The mounting type is through hole.
- What is the operating temperature range for the M27C4002-10B1?
The operating temperature range is 0°C ~ 70°C (TA).
- Is the M27C4002-10B1 still in production?
No, the M27C4002-10B1 is obsolete and no longer manufactured.
- What package type does the M27C4002-10B1 come in?
The package type is 40-PDIP (0.600", 15.24mm).
- What are common applications for the M27C4002-10B1?
Common applications include data storage in legacy systems and embedded systems requiring non-volatile memory.
