AT28C256-15TU

Name: AT28C256-15TU
Brand: Microchip Technology
Rating: 4.5 (10 reviews)
Author: Lisleapex

High-speed 256K EEPROM with 32K x 8 layout, accessed at 150 nanoseconds and designed to operate within the voltage range of 4.5V to 5.5V

6,948 有效庫存

AT28C256-15TU

有效庫存6,948

High-speed 256K EEPROM with 32K x 8 layout, accessed at 150 nanoseconds and designed to operate within the voltage range of 4.5V to 5.5V

製造商零件號 # : AT28C256-15TU
包裝/封裝: SOP-28
製造商: Microchip Technology
產品分類 : Memory
系列 : AT28C256

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AT28C256-15TU 數據表

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AT28C256-15TU 詳細說明

The AT28C256-15TU is a reliable and high-speed EEPROM chip that offers non-volatile storage of data. With a capacity of 32K x 8 bits, it is suitable for a wide range of applications that require secure and long-term data storage. Its operating speed of 150ns ensures efficient performance, while its wide voltage range of 4.5V to 5.5V allows for flexibility in different power supply scenarios

主要特徵

Fast Read Access Time – 150 ns
Automatic Page Write Operation
– Internal Address and Data Latches for 64 Bytes
– Internal Control Timer
Fast Write Cycle Times
– Page Write Cycle Time: 3 ms or 10 ms Maximum
– 1 to 64-byte Page Write Operation
Low Power Dissipation
– 50 mA Active Current
– 200 µA CMOS Standby Current
Hardware and Software Data Protection
DATA Polling for End of Write Detection
High Reliability CMOS Technology
– Endurance: 104 or 105 Cycles
– Data Retention: 10 Years
Single 5V ± 10% Supply
CMOS and TTL Compatible Inputs and Outputs
JEDEC Approved Byte-wide Pinout
Full Military, Commercial, and Industrial Temperature Ranges
Green (Pb/Halide-free) Packaging Option

規格

以下是所選零件的基本參數，涉及零件的特性及其所屬類別。

Product Category !	EEPROM	RoHS	Details
Mounting Style	SMD/SMT	Package / Case	TSOP-28
Interface Type	Parallel	Memory Size !	256 kbit
Organization	32 k x 8	Supply Voltage - Min	4.5 V
Supply Voltage - Max	5.5 V	Minimum Operating Temperature	- 40 C
Maximum Operating Temperature !	+ 85 C	Maximum Clock Frequency	5 MHz
Access Time	150 ns	Data Retention	10 Year
Supply Current - Max	50 mA	Series	AT28C256
Active Read Current - Max	50 mA	Brand	Microchip Technology
Height	1 mm	Length	8 mm
Moisture Sensitive	Yes	Operating Supply Voltage !	5 V
Output Enable Access Time	70 ns	Product Type !	EEPROM
Programming Voltage !	5 V	Factory Pack Quantity	234
Subcategory	Memory & Data Storage	Width	11.8 mm
Unit Weight	0.008187 oz

數據表 PDF

數據表記錄了器件的特性、絕對最大額定值、應用等，這對於作為器件特定應用的整體指南大有裨益。

初步規格 AT28C256-15TU PDF 下載

常見問題解答

What is AT28C256-15TU?

The AT28C256-15TU is a 32K x 8 (256K-bit) low-voltage, electrically erasable and programmable read-only memory (EEPROM) manufactured by Microchip Technology. It is designed for applications requiring non-volatile memory storage that can be easily erased and reprogrammed, such as in embedded systems, automotive electronics, and consumer devices.

How Does AT28C256-15TU Work?

The AT28C256-15TU operates by allowing data to be written and erased electronically. It utilizes an electrically erasable and programmable memory technology, enabling the storage and retrieval of data even when the power is turned off. The EEPROM supports byte-level read and write operations, making it versatile for various data storage applications.

How Many Pins does AT28C256-15TU have and What are the Functions of the Pinout Configuration?

The AT28C256-15TU is housed in a 28-pin TSOP (Thin Small Outline Package) package. The pinout configuration includes:

VCC: Power supply pin.
GND: Ground pin.
A0-A13: Address input pins for selecting memory locations.
CE: Chip enable pin for activating the memory device.
OE: Output enable pin for enabling data output from the memory.
WE: Write enable pin for initiating write operations to the memory.
I/O0-I/O7: Data input/output pins.

What are the Pros and Cons of AT28C256-15TU?

Pros:

Non-Volatile Storage: Retains data without power, suitable for storing critical information.
High Reliability: Offers reliable performance over a wide range of temperatures and operating conditions.
Flexible Interface: Supports standard read and write operations, compatible with various microcontrollers and digital systems.
Industry Standard Package: The 28-pin TSOP package is widely recognized and suitable for automated assembly.

Cons:

Slow Write Speed: EEPROMs typically have slower write speeds compared to other types of memory.
Limited Write Cycles: Endurance of write cycles may be limited compared to other memory technologies.
Higher Cost: May have a higher cost per bit compared to larger capacity flash memory alternatives.

Are There Any Equivalents/Alternatives to AT28C256-15TU for Recommendation?

The AT28C256-15PU is a similar EEPROM from Microchip Technology with a different package type.
Alternatives to the AT28C256-15TU include the 24LC256 from Microchip Technology and the M24C256 from STMicroelectronics.