Description
The Microchip AT27C256R-45JU is a 256Kb (32-Kbit x 8) 5V One-Time Programmable (OTP) Electrically Erasable PROM (EEPROM). It features low-power CMOS operation, parallel interface, and high-reliability technology. The device has a rapid programming algorithm, taking approximately 100 µs per byte to program. It also offers ESD protection up to 2,000V and latchup immunity of 200 mA.
The AT27C256R-45JU is suitable for various applications such as programmable logic devices, microcontrollers, embedded systems, communication equipment, automotive electronics, and industrial control systems. Its primary use cases include storing firmware, configuration data, and critical information in electronic devices.
Features
According to the product information, the features of the AT27C256R-45JU are:
- 256-Kbit (32-Kbit x 8) storage capacity
- Low-power CMOS operation
- 5V power supply range with +/-10% tolerance
- Low standby current (100 µA max)
- Low active current (20mA max at 5 MHz)
- Parallel interface
- 45 ns access time
- High-reliability CMOS technology
- 2000V ESD protection
- 200 mA latchup immunity
- Rapid programming algorithm with a typical write speed of 100 µs/byte
- CMOS and TTL compatible inputs and outputs
- Integrated product identification code
These features make the AT27C256R-45JU suitable for various applications such as programmable logic devices, microcontrollers, embedded systems, communication equipment, automotive electronics, and industrial control systems.
Package
The package type of AT27C256R-45JU is 32-LCC (J-Lead).
Pinout
The AT27C256R-45JU has a pin count of 32, packaged in a 32-LCC (J-Lead) package.
Here is the pinout:
- VCC: Power supply voltage
- GND: Ground
- A0-A7: Address inputs
- D0-D7: Data outputs
- WE: Write enable input
- CE: Chip enable input
- OE: Output enable input
- P1-P3: Product identification code
The pin functions are:
- VCC and GND provide power supply and ground connections.
- A0-A7 are address inputs for selecting a specific memory location.
- D0-D7 are data outputs that reflect the contents of the selected memory location.
- WE, CE, and OE control the read/write operation.
Manufacturer
The manufacturer of the AT27C256R-45JU is Microchip Technology Inc., a leading provider of microcontroller, memory, and analog semiconductor solutions.
Applications
According to the product description, the AT27C256R-45JU is commonly used in applications such as:
- Programmable logic devices
- Microcontrollers
- Embedded systems
- Communication equipment
- Automotive electronics
- Industrial control systems
It's ideal for storing firmware, configuration data, and critical information in various electronic devices.
Equivalent
The equivalent products to AT27C256R-45JU are:
- AT29C256A
- AT25C256A
- M25P256A
- SST29EE512
Please note that these devices may have different parameters or features, but they share similar properties and use cases as the AT27C256R-45JU.
Pagamento
Spedizione e imballaggio
Garanzia
Excellent, i do not know why i bought, i hope to someday come in handy