Overview
The M27C1001-15C6TR 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 organized as 131,072 words of 8 bits, making it ideal for microprocessor systems that require large programs.
The device is offered in various packages, including FDIP32W, PDIP32, PLCC32, and TSOP32. The FDIP32W and LCCC32W packages have transparent lids that allow for UV erasure, while the PDIP32, PLCC32, and TSOP32 packages are suitable for applications where the content is programmed only once and erasure is not required.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage in Read Operation | 5V ± 10% | V |
| Access Time | 35ns | ns |
| Active Current at 5 MHz | 30 mA | mA |
| Standby Current | 100 µA | µA |
| Programming Voltage | 12.75V ± 0.25V | V |
| Programming Time per Word | 100 µs | µs |
| Input Capacitance | 6 pF | pF |
| Output Capacitance | 12 pF | pF |
| Input Low Voltage | -0.3 to 0.8 V | V |
| Input High Voltage | 2 to VCC + 1 V | V |
| Output Low Voltage (TTL) | 0.4 V | V |
| Output High Voltage (TTL) | 2.4 V | V |
| Output High Voltage (CMOS) | VCC - 0.7 V | V |
Key Features
- Supply Voltage: 5V ± 10% in read operation.
- Access Time: 35ns.
- Low Power Consumption: Active current of 30 mA at 5 MHz and standby current of 100 µA.
- Programming Voltage and Time: 12.75V ± 0.25V and 100 µs per word, respectively.
- Electronic Signature: Allows reading of a binary code to identify the manufacturer and device type.
- Packages: Available in FDIP32W, PDIP32, PLCC32, and TSOP32 packages, with ECOPACK® options for environmental compliance.
- Control Functions: Chip Enable (E) and Output Enable (G) for device selection and output control.
- Standby Mode: Reduces supply current to 100 µA when in standby.
Applications
The M27C1001 is ideally suited for microprocessor systems that require large programs. It is commonly used in various applications such as:
- Embedded systems requiring non-volatile memory.
- Industrial control systems.
- Automotive electronics.
- Consumer electronics.
- Any system needing programmable read-only memory with the option for UV erasure or one-time programming.
Q & A
- What is the storage capacity of the M27C1001?
The M27C1001 has a storage capacity of 1 Mbit, organized as 131,072 words of 8 bits.
- What are the different package options for the M27C1001?
The device is available in FDIP32W, PDIP32, PLCC32, and TSOP32 packages.
- How is the M27C1001 erased?
The UV (ultra violet erase) versions can be erased using ultraviolet light, while the OTP (one time programmable) versions are programmed only once and cannot be erased.
- What is the access time of the M27C1001?
The access time is 35ns.
- What is the programming voltage and time for the M27C1001?
The programming voltage is 12.75V ± 0.25V, and the programming time is 100 µs per word.
- How does the Electronic Signature mode work?
The Electronic Signature mode allows reading of a binary code to identify the manufacturer and device type by applying 11.5V to 12.5V on address line A9 and toggling address line A0.
- What are the standby current characteristics of the M27C1001?
The standby current is 100 µA when in CMOS standby mode.
- Is the M27C1001 available in environmentally friendly packages?
Yes, the M27C1001 is available in ECOPACK® packages, which are lead-free and comply with environmental standards.
- How do the control functions (E and G) work in the M27C1001?
Chip Enable (E) is used for device selection, and Output Enable (G) is used to gate data to the output pins, independent of device selection.
- What are the typical applications of the M27C1001?
The M27C1001 is used in microprocessor systems, embedded systems, industrial control systems, automotive electronics, and consumer electronics.
