Overview
The M27C1001-90C1 is a 1 Mbit EPROM (Erasable Programmable Read-Only Memory) produced by STMicroelectronics. This device is available in two main types: UV (ultra violet erase) and OTP (one time programmable). It is designed to meet the needs of microprocessor systems that require large program storage, organized as 131,072 words of 8 bits each.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Capacity | 1 Mbit (128Kb x 8) | 131,072 words of 8 bits |
| Supply Voltage | In read operation | 5V ± 10% |
| Access Time | 90 ns | |
| Active Current | 30 mA | |
| Standby Current | 100 µA | |
| Programming Voltage | 12.75V ± 0.25V | |
| Programming Time | Per word | 100 µs |
| Package Options | FDIP32W, PDIP32, PLCC32, TSOP32 | |
| Operating Temperature | 0 to 70 °C, –40 to 85 °C, –40 to 125 °C |
Key Features
- Dual Functionality: Available in UV (ultra violet erase) and OTP (one time programmable) versions.
- Low Power Consumption: Active current of 30 mA at 5 MHz and standby current of 100 µA.
- Fast Access Time: Access time of 90 ns.
- Electronic Signature: Manufacturer Code: 20h, Device Code: 05h.
- Multiple Package Options: FDIP32W, PDIP32, PLCC32, and TSOP32 packages.
Applications
The M27C1001-90C1 is ideally suited for microprocessor systems that require large program storage. It is commonly used in applications such as embedded systems, industrial control systems, and other devices where non-volatile memory is necessary.
Q & A
- What is the capacity of the M27C1001-90C1? The M27C1001-90C1 has a capacity of 1 Mbit, organized as 131,072 words of 8 bits each.
- What are the supply voltage requirements for the M27C1001-90C1? The supply voltage in read operation is 5V ± 10%.
- What is the access time of the M27C1001-90C1? The access time is 90 ns.
- What are the active and standby current values? The active current is 30 mA at 5 MHz, and the standby current is 100 µA.
- What is the programming voltage and time for the M27C1001-90C1? The programming voltage is 12.75V ± 0.25V, and the programming time is 100 µs per word.
- What package options are available for the M27C1001-90C1? The available packages include FDIP32W, PDIP32, PLCC32, and TSOP32.
- What are the operating temperature ranges for the M27C1001-90C1? The operating temperature ranges are 0 to 70 °C, –40 to 85 °C, and –40 to 125 °C.
- Is the M27C1001-90C1 still in production? No, the M27C1001-90C1 is obsolete and no longer manufactured.
- What are some possible substitutes for the M27C1001-90C1? One possible substitute is the AT27BV010-90JU from Microchip Technology.
- How does the electronic signature work for the M27C1001-90C1? The electronic signature includes a manufacturer code of 20h and a device code of 05h.
