Overview
The M27C4001-45XF1 is a 4 Mbit Erasable Programmable Read-Only Memory (EPROM) produced by STMicroelectronics. This device is part of the M27C4001 series, which offers both UV (ultra violet erase) and OTP (one time programmable) options. The M27C4001-45XF1 is particularly suited for microprocessor systems that require large program storage and is organized as 512K x 8 bits.
This EPROM features a windowed design for UV erasure, sealed with frit for added durability, and is available in various package types including FDIP32W, LCCC32W, PDIP32, PLCC32, and TSOP32.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Memory Type | Non-Volatile EPROM |
| Memory Size | 4 Mb (512K x 8) |
| Memory Interface | Parallel |
| Access Time | 45 ns |
| Programming Voltage | 12.75 V ± 0.25 V |
| Max Supply Voltage | 5 V ± 10% |
| Minimum Operating Temperature | -40 °C |
| Maximum Operating Temperature | +70 °C |
| Package Types | FDIP32W, LCCC32W, PDIP32, PLCC32, TSOP32 |
| Current @ Pmpp | 50 mA |
| Standby Current | 100 µA |
Key Features
- High Capacity and Flexibility: Offers 4 Mb of storage, organized as 512K x 8 bits, making it suitable for large program storage in microprocessor systems.
- UV Erasable and OTP Options: Available in both UV erasable and one-time programmable versions, providing flexibility in application needs.
- Low Power Consumption: Features low active and standby current, reducing power dissipation and enhancing system efficiency.
- Fast Access Time: With an access time of 45 ns, this EPROM ensures fast data retrieval and storage.
- Diverse Package Options: Available in various package types such as FDIP32W, LCCC32W, PDIP32, PLCC32, and TSOP32 to suit different application requirements.
- Electronic Signature: Includes a manufacturer and device code for easy identification and verification.
- Two-Line Output Control: Features chip enable (E) and output enable (G) controls to manage memory power dissipation and prevent output bus contention.
Applications
- Microprocessor Systems: Ideal for systems requiring large program storage, such as embedded systems, industrial control systems, and automotive electronics.
- Industrial Automation: Suitable for applications in industrial automation where reliable and durable memory solutions are necessary.
- Consumer Electronics: Can be used in various consumer electronic devices that require non-volatile memory for program storage.
- Aerospace and Defense: Due to its reliability and performance, it can be used in aerospace and defense applications where high-quality components are critical.
Q & A
- What is the memory size of the M27C4001-45XF1?
The memory size is 4 Mb, organized as 512K x 8 bits.
- What are the package options available for the M27C4001-45XF1?
The device is available in FDIP32W, LCCC32W, PDIP32, PLCC32, and TSOP32 packages.
- What is the access time of the M27C4001-45XF1?
The access time is 45 ns.
- How is the M27C4001-45XF1 programmed?
The device is programmed by applying a programming voltage of 12.75 V to the VPP input, with the G input at VIH and the E input pulsed to VIL. Data is applied in parallel to the data output pins.
- What is the operating temperature range of the M27C4001-45XF1?
The operating temperature range is from -40 °C to +70 °C.
- What is the standby current of the M27C4001-45XF1?
The standby current is 100 µA.
- Does the M27C4001-45XF1 support UV erasure?
Yes, it supports UV erasure for the UV version of the device.
- What are the control functions for the M27C4001-45XF1?
The device features chip enable (E) and output enable (G) controls to manage memory power dissipation and prevent output bus contention.
- How does the electronic signature work for the M27C4001-45XF1?
The electronic signature includes a manufacturer code (20h) and a device code (41h) for easy identification and verification.
- What is the programming voltage for the M27C4001-45XF1?
The programming voltage is 12.75 V ± 0.25 V.
