AM29F040B-90JI

Name: AM29F040B-90JI
Brand: AMD
Rating: 4.5 (10 reviews)
Author: Lisleapex

NOR Flash Parallel 5V 4M-bit 512K x 8 90ns 32-Pin PLCC

4,717 Effective Inventory

AM29F040B-90JI

Effective Inventory4,717

NOR Flash Parallel 5V 4M-bit 512K x 8 90ns 32-Pin PLCC

Manufacturer Part # : AM29F040B-90JI
Package/Case: PLCC-32
Brand: AMD
Product Categories : Memory

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AM29F040B-90JI DataSheet

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AM29F040B-90JI Details

The AM29F040B-90JI is a flash memory IC from AMD, offering non-volatile storage capability for various electronic devices. This IC has a capacity of 4Mb and operates at a speed of 90ns, providing fast and reliable data access. It is commonly used for program storage in embedded systems, industrial devices, and consumer electronics.

Pinout

1 (A18): Address Input 18
2 (A17): Address Input 17
3 (A16): Address Input 16
4 (A15): Address Input 15
5 (GND): Ground
6 (DQ0-DQ7): Data Input/Output
7 (A12): Address Input 12
8 (WE#): Write Enable

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

High Capacity: Offers a storage capacity of 4Mb for data storage and program code.
Fast Access Time: Operates at a speed of 90ns for quick data retrieval and programming.
Non-Volatile Memory: Retains stored data even without power, ensuring data integrity.
Embedded Systems: Suitable for use in embedded systems and applications requiring program storage.
Industrial Grade: Designed to meet the demands of industrial environments for reliable performance.

Application

Embedded Systems: Ideal for program storage in embedded systems and microcontrollers.
Consumer Electronics: Used in consumer electronics for firmware storage and data retention.
Industrial Devices: Commonly found in industrial equipment for program code storage and data logging.

Where to Use

The AM29F040B-90JI is suitable for applications requiring non-volatile program storage and fast data access. It is commonly used in embedded systems, consumer electronics, and industrial devices where reliable program execution is essential.

How to Use

Connect the AM29F040B-90JI to your system by wiring the address and data lines accordingly. Use the Write Enable signal to write data to the memory and ensure proper power and ground connections for reliable operation. Refer to the datasheet for detailed programming and interfacing guides.

Application Circuit

The application circuit diagram for the AM29F040B-90JI showcases how to integrate the flash memory IC into your system. It includes connections for address lines, data lines, and control signals, ensuring proper functionality and data storage.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

AT49BV040B: A similar flash memory IC from Atmel with comparable specifications.
W27C040: An alternative flash memory chip offering similar storage capacity and performance.

Complementary

The AM29F040B-90JI can be complemented by the ATmega328P microcontroller, which provides processing capabilities for systems using the flash memory IC. Together, they form a reliable solution for embedded applications.

Ensure compatibility and proper interfacing between the flash memory IC and the microcontroller for seamless operation.

Frequently Asked Questions

Q: How is data written to the AM29F040B-90JI?

A: Data is written to the AM29F040B-90JI by using the Write Enable signal and providing the necessary address and data inputs. Refer to the datasheet for detailed programming instructions.

Q: Is the AM29F040B-90JI suitable for automotive applications?

A: While not specifically designed for automotive use, the AM29F040B-90JI can be utilized in automotive electronics that require non-volatile memory for program storage.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category !	NOR Flash	RoHS	N
Mounting Style	SMD/SMT	Package / Case	PLCC-32
Series	AM29F040B	Memory Size !	4 Mbit
Supply Voltage - Min	4.5 V	Supply Voltage - Max	5.5 V
Active Read Current - Max	30 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	Infineon Technologies	Memory Type !	NOR
Moisture Sensitive	Yes	Product Type !	NOR Flash
Speed	90 ns	Factory Pack Quantity	30
Subcategory	Memory & Data Storage

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification AM29F040B-90JI PDF Download

FAQs

What is AM29F040B-90JI?

The AM29F040B-90JI is a 4-megabit (512 K x 8-bit) CMOS flash memory device manufactured by AMD (now part of Cypress Semiconductor). It is designed for use in embedded systems, consumer electronics, and industrial applications that require non-volatile data storage with in-system programming capability.

How Does AM29F040B-90JI Work?

The AM29F040B-90JI operates as a non-volatile memory device that can be electrically programmed and erased in-system. It stores data by trapping electrons in a floating gate within the memory cells, allowing the retention of stored information even when power is removed. The device supports programming and erasing operations through specific voltage and timing sequences.

How Many Pins does AM29F040B-90JI have and What are the Functions of the Pinout Configuration?

The AM29F040B-90JI is housed in a 32-pin PLCC (Plastic Leaded Chip Carrier) package. The pinout configuration includes:

A0-A18: Address input pins for selecting memory locations.
DQ0-DQ7: Data input/output pins for 8-bit data transfer.
CE: Chip Enable for activating the device.
OE: Output Enable for enabling data output.
WE: Write Enable for initiating write operations.
RP: Reset/Power-down input pin.
VCC, VSS: Power supply pins (VCC for +5V, VSS for ground).
RP: Ready/Busy output pin indicating the device status.

What are the Pros and Cons of AM29F040B-90JI?

Pros:

High Density: Offers 4-megabit capacity for storing a large amount of data.
In-System Programmability: Supports electrical programming and erasing for easy in-system updates.
Reliable Non-Volatile Storage: Provides non-volatile data retention for embedded systems.
Industry-Standard Package: Housed in a widely used PLCC package for easy integration.
Wide Operating Voltage: Supports a broad operating voltage range for flexibility.

Cons:

Obsolete Technology: The AM29F040B-90JI may be considered obsolete or replaced by newer memory technologies.
Single Voltage Operation: Operates at a single supply voltage, limiting flexibility in some applications.
Package Size: The 32-pin PLCC package may require a larger footprint compared to more modern packages.

Are There Any Equivalents/Alternatives to AM29F040B-90JI for Recommendation?

While the AM29F040B-90JI is a specific part from AMD, there are alternatives from other manufacturers offering similar functionality. These include the SST39SF040 from Microchip, the W27C040 from Winbond Electronics, and the M29F040B from STMicroelectronics.