SST39SF040 4 Mbit MPF: Features, Datasheet and Timing Diagram

The following figure is the diagram of SST39SF040 pinout.

Pinout

The followings are SST39SF040 Symbol, Footprint, and 3D Model.

Symbol

Footprint

3D Model

The SST39SF040 is CMOS Multi-Purpose Flash (MPF) manufactured with SST's proprietary, high performance CMOS SuperFlash technology. The split-gate cell design and thick oxide tunneling injector attain better reliability and manufacturability compared with alternate approaches. The SST39SF040 device writes (Program or Erase) with a 4.5-5.5V power supply. The SST39SF040 device conforms to JEDEC standard pinouts for x8 memories. Featuring high performance Byte-Program, the SST39SF040 device provides a maximum Byte-Program time of 20 µsec. To meet high density, surface mount requirements, the SST39SF040 is offered in 32-lead PLCC package.

This article provides you with a basic overview of the SST39SF040 4 Mbit MPF, including its pin descriptions, features and specifications, etc., to help you quickly understand what SST39SF040 is.

● Organized as 512K x8

● Single 4.5-5.5V Read and Write Operations

● Superior Reliability

   ◆ Endurance: 100,000 Cycles (typical)

   ◆ Greater than 100 years Data Retention

● Low Power Consumption (typical values at 14 MHz)

   ◆ Active Current: 10 mA (typical)

   ◆ Standby Current: 30 µA (typical)

● Sector-Erase Capability

   ◆ Uniform 4 KByte sectors

● Fast Read Access Time:

   ◆ 55 ns

   ◆ 70 ns

● Latched Address and Data

● Automatic Write Timing

   ◆ Internal V_PP Generation

● Fast Erase and Byte-Program

   ◆ Sector-Erase Time: 18 ms (typical)

   ◆ Chip-Erase Time: 70 ms (typical)

   ◆ Byte-Program Time: 14 µs (typical)

   ◆ Chip Rewrite Time: 8 seconds (typical) for SST39SF040

● End-of-Write Detection

   ◆ Toggle Bit

   ◆ Data# Polling

● TTL I/O Compatibility

● JEDEC Standard

   ◆ Flash EEPROM Pinouts and command sets

● Packages Available: 32-lead PLCC

● RoHS compliant

The SST39SF040 device is suited for applications that require convenient and economical updating of program, configuration, or data memory. For all system applications, it significantly improves performance and reliability, while lowering power consumption. It inherently uses less energy during erase and program than alternative flash technologies. The total energy consumed is a function of the applied voltage, current, and time of application. Since for any given voltage range, the SuperFlash technology uses less current to program and has a shorter erase time, the total energy consumed during any Erase or Program operation is less than alternative flash technologies. The device also improves flexibility while lowering the cost for program, data, and configuration storage applications.

The device uses Toggle Bit or Data# Polling to indicate the completion of Program operation. To protect against inadvertent write, it has on-chip hardware and Software Data Protection schemes. Designed, manufactured, and tested for a wide spectrum of applications, the device is offered with a guaranteed typical endurance of 100,000 cycles. Data retention is rated at greater than 100 years. The SuperFlash technology provides fixed Erase and Program times, independent of the number of Erase/Program cycles that have occurred. Therefore the system software or hardware does not have to be modified or de-rated as is necessary with alternative flash technologies, whose Erase and Program times increase with accumulated Erase/Program cycles.

Microchip Technology SST39SF040-70-4I-NHE technical specifications, attributes, parameters and parts with similar specifications to Microchip Technology SST39SF040-70-4I-NHE.

The following is the Functional Block Diagram of SST39SF040.

Functional Block Diagram

The following diagram shows the SST39SF040 Timing Diagram.

Read Cycle Timing Diagram

CE# Controlled Program Cycle Timing Diagram

Data# Polling Timing Diagram

WE# Controlled Program Cycle Timing Diagram

The following diagram shows the SST39SF040 package.

Top View

Side View

Bottom View

Microchip Technology Inc. is a leading provider of microcontroller and analog semiconductors, providing low-risk product development, lower total system cost and faster time to market for thousands of diverse customer applications worldwide. Headquartered in Chandler, Arizona, Microchip offers outstanding technical support along with dependable delivery and quality.