AT29C512-70JU

Name: AT29C512-70JU
Brand: Microchip Technology
Rating: 4.5 (10 reviews)
Author: Lisleapex

Operates at 4.5V-5.5V voltage range

3,264 Effective Inventory

AT29C512-70JU

Effective Inventory3,264

Operates at 4.5V-5.5V voltage range

Manufacturer Part # : AT29C512-70JU
Package/Case: PLCC-32
Part Status : Discontinued
Brand: Microchip Technology
Product Categories : Memory
Series : AT29C512

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AT29C512-70JU DataSheet

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AT29C512-70JU Details

The AT29C512-70JU is a 512K (64K x 8) CMOS flash memory integrated circuit from Microchip, offering non-volatile storage for various electronic devices. This IC features a 70ns access time and operates on a single power supply voltage. It is designed for easy interfacing and reliable performance in embedded systems, microcontrollers, and other applications requiring non-volatile memory storage.

Pinout

1 (A0): Address Input
2 (A1): Address Input
3 (A2): Address Input
4 (A3): Address Input
5 (A4): Address Input
6 (A5): Address Input
7 (A6): Address Input
8 (A7): Address Input
9 (A8): Address Input
10 (A9): Address Input
11 (A10): Address Input
12 (A11): Address Input
13 (A12): Address Input
14 (A13): Address Input
15 (A14): Address Input
16 (A15): Address Input
17 (DQ0): Data Input/Output
18 (DQ1): Data Input/Output
19 (DQ2): Data Input/Output
20 (DQ3): Data Input/Output
21 (DQ4): Data Input/Output
22 (DQ5): Data Input/Output
23 (DQ6): Data Input/Output
24 (DQ7): Data Input/Output
25 (WE#): Write Enable Input
26 (OE#): Output Enable Input
27 (CE#): Chip Enable Input
28 (RP#): Reset/Power-On Reset
29 (VCC): Power Supply Voltage
30 (VPP): Programming Voltage
31 (NC): No Connection
32 (GND): Ground

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

Key Features

512K Storage Capacity: Provides 512K of non-volatile storage space.
Fast Access Time: Offers a speedy 70ns access time for quick data retrieval.
Single Voltage Supply: Operates on a single power supply voltage for easy integration.
Easy Interfacing: Designed for simple interfacing with microcontrollers and embedded systems.
Reliable Performance: Ensures reliable performance in various applications requiring non-volatile memory storage.

Application

Embedded Systems: Suitable for use in embedded systems requiring non-volatile memory.
Microcontrollers: Ideal for storing program code and data in microcontroller applications.
Data Storage: Used for non-volatile data storage in electronic devices.

How to Use

Connect the AT29C512-70JU to your circuit by wiring the address inputs, data inputs/outputs, control inputs, and power supply pins accordingly. Follow the timing diagrams in the datasheet for correct operation. Ensure proper data protection and handling to prevent data loss or corruption. For detailed usage instructions, refer to the datasheet.

Application Circuit

The application circuit diagram for the AT29C512-70JU demonstrates how to connect the flash memory IC to a microcontroller or embedded system. It includes connections for address lines, data lines, control signals, and power supplies, ensuring proper communication and data storage.

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

Equivalents

AT28C64B: A comparable CMOS flash memory device with lower storage capacity.
W27C512: An alternative EEPROM with similar storage capabilities.

Complementary

The AT29C512-70JU can be complemented by the AT24C256 EEPROM, providing additional non-volatile storage for data-intensive applications requiring extended memory capacity.

When selecting complementary memory devices, ensure compatibility and suitable interface protocols for seamless integration and reliable operation.

Frequently Asked Questions

Q: What is the storage capacity of the AT29C512-70JU?

A: The AT29C512-70JU offers a storage capacity of 512K (64K x 8) bits. For specific usage and organization details, refer to the datasheet.

Q: Can the AT29C512-70JU be used in battery-powered devices?

A: Yes, the AT29C512-70JU operates on a single power supply voltage, making it suitable for integration into battery-powered devices with appropriate power management considerations.

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	Details
Mounting Style	SMD/SMT	Package / Case	PLCC-32
Series	AT29C	Memory Size !	512 kbit
Supply Voltage - Min	4.75 V	Supply Voltage - Max	5.25 V
Active Read Current - Max	50 mA	Interface Type	Parallel
Organization	64 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	70 ns	Standard	Not Supported
Factory Pack Quantity	32	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 AT29C512-70JU PDF Download

FAQs

What is AT29C512-70JU?

The AT29C512-70JU is a 512K (64K x 8) reprogrammable flash memory integrated circuit manufactured by Microchip Technology. It is designed for applications requiring non-volatile storage with fast and easy reprogrammability, such as embedded systems, microcontroller code storage, and firmware storage.

How Does AT29C512-70JU Work?

The AT29C512-70JU operates as a non-volatile memory that can be electrically reprogrammed. It stores data using floating gate technology and can be erased and reprogrammed multiple times using specific programming sequences. The memory features a high-speed interface for efficient data transfer and reliable storage of critical information.

How Many Pins does AT29C512-70JU have and What are the Functions of the Pinout Configuration?

The AT29C512-70JU is housed in a 32-lead 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 bidirectional communication.
CE: Chip enable pin for activating the memory device.
OE: Output enable pin for enabling the data output buffer.
WE: Write enable pin for initiating write operations.
RY/BY: Ready/Busy output pin indicating the status of the memory operation.
VCC: Positive power supply pin.
GND: Ground pin.

What are the Pros and Cons of AT29C512-70JU?

Pros:

High Storage Capacity: Offers 512K bits of non-volatile storage for data and program storage.
Fast Reprogramming: Supports fast and easy reprogramming for code and data updates.
Reliable Performance: Provides reliable and long-term data retention for critical information.
Wide Operating Voltage: Supports a wide operating voltage range for versatile system integration.
Robust Package: The 32-lead PLCC package provides durability and ease of handling.

Cons:

Programming Voltage: Requires specific programming voltages and sequences for data modification.
Package Size: The 32-lead PLCC package may require additional space in some designs.
Erase Time: Reprogramming cycles may require a certain erase time, affecting instantaneous data updates.

Are There Any Equivalents/Alternatives to AT29C512-70JU for Recommendation?

The AM29F040B from AMD is a similar reprogrammable flash memory with comparable features and specifications.
Alternatives to the AT29C512-70JU include the W27E040 from Winbond and the SST39SF040 from Microchip Technology.