A28F400BR-TB Datasheet, PDF(1/36 Page) Intel Corporation – 4-MBIT (256K X 16, 512K X 8) SmartVoltage BOOT BLOCK FLASH MEMORY FAMILY

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A28F400BR-TB Datasheet, PDF (1/36 Pages) Intel Corporation – 4-MBIT (256K X 16, 512K X 8) SmartVoltage BOOT BLOCK FLASH MEMORY FAMILY

ADVANCE INFORMATION

A28F400BR-T/B

4-MBIT (256K X 16, 512K X 8)

SmartVoltage BOOT BLOCK

FLASH MEMORY FAMILY

Automotive

n Intel SmartVoltage Technology

ï£§ 5V or 12V Program/Erase

ï£§ 5V Read Operation

n Very High Performance Read

ï£§ 80 ns Max. Access Time,

ï£§ 40 ns Max. Output Enable Time

n Low Power Consumption

ï£§ Maximum 60 mA Read Current at 5V

n x8/x16-Selectable Input/Output Bus

ï£§ High Performance 16- or 32-bit

CPUs

n Optimized Array Blocking Architecture

ï£§ One 16-KB Protected Boot Block

ï£§ Two 8-KB Parameter Blocks

ï£§ One 96-KB Main Block

ï£§ Three 128-KB Main Blocks

ï£§ Top or Bottom Boot Locations

n Hardware-Protection for Boot Block

n Software EEPROM Emulation with

Parameter Blocks

n Automotive Temperature Operation

ï£§ â40Â°C to +125Â°C

n Extended Cycling Capability

ï£§ 30,000 Block Erase Cycles for

Parameter Blocks

ï£§ 1,000 Block Erase Cycles for Main

Blocks

n Automated Word/Byte Program and

Block Erase

ï£§ Industry-Standard Command User

Interface

ï£§ Status Registers

ï£§ Erase Suspend Capability

n SRAM-Compatible Write Interface

n Automatic Power Savings Feature

ï£§ 1 mA Typical ICC Active Current in

Static Operation

n Reset/Deep Power-Down Input

ï£§ 0.2 ÂµA ICCTypical

ï£§ Provides Reset for Boot Operations

n Hardware Data Protection Feature

ï£§ Write Lockout during Power

Transitions

n Industry-Standard Surface Mount

Packaging

ï£§ 44-Lead PSOP: JEDEC ROM

Compatible

n ETOXâ¢ IV Flash Technology

December 1996

Order Number: 290538-005

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