Overview
The STMicroelectronics M27C4001-90C6 is a 4Mbit parallel EPROM (Electrically Programmable Read-Only Memory) IC, available in both UV (ultra violet erase) and OTP (one time programmable) versions. This device is designed for a wide range of applications, particularly in microprocessor systems that require large programs. It offers high-density storage with a read-only programming capability, making it ideal for mass production and manufacturing environments. The M27C4001-90C6 is organized as 512 kilobytes by 8 bits and features a 90 nanosecond access time, ensuring fast data transfer rates. It operates over a supply voltage range of 4.5V to 5.5V and has an operating temperature range of -40°C to 85°C.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Memory Size | 4 MB | |
| Organization | 512 k x 8 | |
| Interface Type | Parallel | |
| Access Time | 90 ns | |
| Supply Voltage - Min | 4.5 V | |
| Supply Voltage - Max | 5.5 V | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | +85°C | |
| Programming Voltage | 12.75 V ± 0.25 V | |
| Programming Time | 100 µs/Word | |
| Active Current | 30 mA at 5 MHz | |
| Standby Current | 100 µA | |
| Package Type | PLCC-32 (J-Lead) | |
| Moisture Sensitive | Yes |
Key Features
- High-Density Storage: The M27C4001-90C6 offers 4 Mbit of storage, organized as 512 kilobytes by 8 bits, making it suitable for large program storage in microprocessor systems.
- Fast Access Time: With an access time of 90 nanoseconds, this device ensures fast data transfer rates, enhancing system performance.
- Low Power Consumption: The device features low active and standby current consumption, with 30 mA at 5 MHz and 100 µA in standby mode, respectively.
- Programming Capabilities: Available in both UV and OTP versions, allowing for either ultraviolet light erasure or one-time programming.
- Electronic Signature: The device includes an electronic signature mode for identifying the manufacturer and device type, aiding in programming and verification processes.
- Multiple Package Options: Available in various packages including PLCC-32, FDIP32W, and TSOP32, catering to different application requirements.
Applications
The M27C4001-90C6 is versatile and can be used in a variety of industries and applications, including:
- Consumer Electronics: Suitable for devices requiring large program storage and fast data access.
- Automotive: Used in automotive systems where reliable and high-density memory is essential.
- Industrial Automation: Ideal for industrial control systems and other automation applications requiring robust memory solutions.
- Microprocessor Systems: Designed for microprocessor systems that need large programs and fast data retrieval.
Q & A
- What is the memory size of the M27C4001-90C6?
The memory size is 4 Mbit, organized as 512 kilobytes by 8 bits.
- What is the access time of the M27C4001-90C6?
The access time is 90 nanoseconds.
- What are the operating temperature ranges for the M27C4001-90C6?
The operating temperature range is from -40°C to 85°C.
- What is the programming voltage for the M27C4001-90C6?
The programming voltage is 12.75 V ± 0.25 V.
- What are the active and standby current consumptions of the M27C4001-90C6?
The active current is 30 mA at 5 MHz, and the standby current is 100 µA.
- In what packages is the M27C4001-90C6 available?
The device is available in PLCC-32, FDIP32W, and TSOP32 packages.
- Does the M27C4001-90C6 have an electronic signature feature?
Yes, it includes an electronic signature mode for identifying the manufacturer and device type.
- What are the typical applications of the M27C4001-90C6?
It is used in consumer electronics, automotive, industrial automation, and microprocessor systems.
- Is the M27C4001-90C6 moisture sensitive?
Yes, the device is moisture sensitive.
- What is the purpose of the standby mode in the M27C4001-90C6?
The standby mode reduces the supply current from 30 mA to 100 µA, achieved by applying a CMOS high signal to the E input.
