93LC76A-E/MS Allicdata Electronics
Allicdata Part #:

93LC76A-E/MS-ND

Manufacturer Part#:

93LC76A-E/MS

Price: $ 0.00
Product Category:

Integrated Circuits (ICs)

Manufacturer: Microchip Technology
Short Description: IC EEPROM 8K SPI 3MHZ 8MSOP
More Detail: EEPROM Memory IC 8Kb (1K x 8) SPI 3MHz 8-MSOP
DataSheet: 93LC76A-E/MS datasheet93LC76A-E/MS Datasheet/PDF
Quantity: 1000
1 +: 0.00000
Stock 1000Can Ship Immediately
$ 0
Specifications
Series: --
Packaging: Tube 
Part Status: Active
Memory Type: Non-Volatile
Memory Format: EEPROM
Technology: EEPROM
Memory Size: 8Kb (1K x 8)
Clock Frequency: 3MHz
Write Cycle Time - Word, Page: 5ms
Memory Interface: SPI
Voltage - Supply: 2.5 V ~ 5.5 V
Operating Temperature: -40°C ~ 125°C (TA)
Mounting Type: Surface Mount
Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Supplier Device Package: 8-MSOP
Base Part Number: 93LC76A
Description

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The 93LC76A-E/MS is a BYTE-serial adressable and organized 8-bit nonvolatile EEPROM device. It is organized as either 128 8-bit words, 64 16-bit words, or 32 32-bit words. As a serial device it is addressed through a 3-wire serial port. This makes it ideal for embedded applications in which limited pins are available. Furthermore, the 93LC76A-E/MS boasts an operating range of 1.8-6.0V, meaning it can be used with a variety of microcontrollers, making it a versatile asset.

The 93LC76A-E/MS provides an array of means to store and access data: byte, page or full memory write, as well as byte, page or full memory read. Furthermore, sequential reads and writes can take advantage of the devices auto-increment feature. A write protect pin allows for data storage to be temporarily disabled. Additionally, a write status register may be used in order to verify data upon write or to provide a flag for CPU monitoring.

The 93LC76A-E/MS can also be easily programmed using a HV programmer, or even through a single wire for in-system programming (ISP). Programming alone is nonvolatile, meaning that stored data can be preserved in the absence of power. The 93LC76A-E/MS requires only two pins to achieve such effective control over the device: a chip select pin (active low) and a serial clock pin.

At the core of the 93LC76A-E/MS is a memory cell composed of a couple of floating gates (an electron and hole). These gates are used to store and retrieve data. Data is written when the electrons in the floating gates jump across a valence band around the gate and tunnel between them. A charge distribution is triggered, unbalancing the electrostatic field associated with the floating gates. This is read by a circuitry that interprets the current values of the structure in order to accurately determine the state of the memory cells.

The floating gates themselves have an associated electrical shift. The shift has two components: the threshold voltage (Vt) and the band gap voltage (Vbg). The Vt indicates the gate’s sensitivity to charge and the Vbg determines the range of stored charge. This stored charge is represented by capacitance. The capacitance is evaluated using Fowler-Nordheim (FN) tunneling and resulting electron injection. These electrons are then trapped between the floating gate and Fowler-Nordheim (FN) tunneling transistor.

The switching current pathways used by the 93LC76A-E/MS are used to control the location, speed, and transfer of information. The process of retrieving data involves the injection of electrons across the band gap, followed by the detection of a characteristic current potential. This is the voltage driving force (Vdf) which further translates into current pulses. The current pulses are the basis for understanding the state of the memory cells and therefore storing and retrieving data.

As a memory device, the 93LC76A-E/MS is a robust and reliable component designed for a varied range of applications. Its low voltage operating range and 3-wire serial interface make it ideal for embedded applications, where power efficiency and space conservation are a necessary consideration. Moreover, its internal circuitry ensures reliable performance and data retention, even in the absence of power.

The specific data is subject to PDF, and the above content is for reference

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