AT29C040A-90TU
Operating voltage range of 4.5V to 5.5V
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製造商零件號 # : AT29C040A-90TU
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包裝/封裝: TSOP-32
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零件狀態 : Discontinued
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製造商: Microchip Technology
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產品分類 : Memory
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AT29C040A-90TU 數據表
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目前的價格方案正在編制中。請聯絡我們的客戶服務團隊獲取最新的價格資訊。感謝您的理解和支援!
詳細說明
The AT29C040A-90TU from Microchip Technology is a sophisticated 4-megabit EEPROM that operates with a 5-volt power supply and boasts a fast access time of 90 nanoseconds. With its 512K byte array and support for byte and page-level write operations, it allows for selective data modification. Its CMOS technology ensures low power consumption during both read and write operations, making it suitable for energy-efficient devices. The 32-pin TSOP package enhances ease of integration into various electronic devices, making it a convenient choice for designers. The AT29C040A-90TU is commonly used in applications requiring non-volatile storage with fast access times, such as firmware storage in embedded systems, BIOS chips, and data logging, due to its reliability, ease of use, and compatibility with standard EEPROM interfaces
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主要特徵
- Fast Read Access Time – 90 ns 5-volt Only Reprogramming Sector Program Operation– Single Cycle Reprogram (Erase and Program)– 2048 Sectors (256 Bytes/Sector)– Internal Address and Data Latches for 256 Bytes Internal Program Control and Timer Hardware and Software Data Protection Two 16K Bytes Boot Blocks with Lockout Fast Sector Program Cycle Time – 10 ms DATA Polling for End of Program Detection Low Power Dissipation– 40 mA Active Current– 100 µA CMOS Standby Current Typical Endurance> 10,000 Cycles Single 5V ±10% Supply 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 ! | NOR Flash | RoHS | Details |
Mounting Style | SMD/SMT | Package / Case | TSOP-32 |
Series | AT29C | Memory Size ! | 4 Mbit |
Supply Voltage - Min | 4.5 V | Supply Voltage - Max | 5.5 V |
Active Read Current - Max | 40 mA | Interface Type | Parallel |
Organization | 512 k x 8 | Data Bus Width | 8 bit |
Timing Type | Asynchronous | Minimum Operating Temperature | - 40 C |
Maximum Operating Temperature ! | + 85 C | Architecture | Sector |
Brand | Microchip Technology | Memory Type ! | NOR |
Moisture Sensitive | Yes | Product Type ! | NOR Flash |
Speed | 90 ns | Standard | Not Supported |
Factory Pack Quantity | 156 | Subcategory | Memory & Data Storage |
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。
常見問題解答
What is AT29C040A-90TU?
The AT29C040A-90TU is a 4-megabit (512K x 8) electrically erasable programmable read-only memory (EEPROM) organized as 512K words of 8 bits each, designed by Atmel Corporation. It is commonly used for storing program data, configuration settings, and firmware in various electronic devices.
How Does AT29C040A-90TU Work?
The AT29C040A-90TU operates by allowing data to be read, programmed, and erased electrically. It uses CMOS technology for low power consumption and features a byte-wide access for easy interfacing with microcontrollers or other digital systems. The EEPROM can be both erased and reprogrammed in-system, providing flexibility for data storage needs.
How Many Pins does AT29C040A-90TU have and What are the Functions of the Pinout Configuration?
The AT29C040A-90TU is housed in a 32-lead TSOP (Thin Small Outline Package) package. The pinout configuration includes:
- VCC: Power supply pin.
- GND: Ground pin.
- A0-A18: Address input pins for selecting memory locations.
- CE: Chip Enable for device operation.
- OE: Output Enable for data output.
- WE: Write Enable for data programming.
- BYTE: Byte/Word Organization control pin.
- RESET: Reset pin for initialization.
- DQ0-DQ7: Data input/output pins.
What are the Pros and Cons of AT29C040A-90TU?
Pros:
- High Storage Capacity: Offers 4 megabits of non-volatile memory storage.
- Electrically Erasable and Reprogrammable: Allows for convenient in-system reprogramming.
- Low Power Consumption: Utilizes CMOS technology for efficient power usage.
- Easy Interface: Byte-wide access simplifies interfacing with microcontrollers.
- Reliable Data Storage: Provides reliable data retention and endurance for long-term usage.
Cons:
- Write Endurance: Limited number of write/erase cycles compared to other memory technologies.
- Program/Erasing Speed: Programming and erasing operations may take longer compared to other memory types.
- Cost: EEPROMs like the AT29C040A-90TU may have a higher cost per bit compared to other memory options.
Are There Any Equivalents/Alternatives to AT29C040A-90TU for Recommendation?
- The M29F400BT from STMicroelectronics is a similar 4-megabit EEPROM with comparable features.
- Alternatives to the AT29C040A-90TU include the 28C040 from Microchip Technology and the W27C040 from Winbond Electronics.
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