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AB28F400BX-T90 Datasheet

Part NameDescriptionManufacturer
AB28F400BX-T90 4-MBIT (256K x16, 512K x8) BOOT BLOCK FLASH MEMORY FAMILY Intel
Intel Intel
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Intel’s 4-Mbit Flash Memory Family is an extension of the Boot Block Architecture which includes block selective erasure, automated write and erase operations and standard microprocessor interface. The 4-Mbit Flash Memory Family enhances the Boot Block Architecture by adding more density and blocks, x8/x16 input/ output control, very high speed, low power, an industry standard ROM compatible pinout and surface mount packaging. The 4-Mbit flash family is an easy upgrade from Intel’s 2-Mbit Boot Block Flash Memory Family.

■ x8/x16 Input/Output Architecture
    — A28F400BX-T, A28F400BX-B
    — For High Performance and High Integration 16-bit and 32-bit CPUs
■ Optimized High Density Blocked Architecture
    — One 16 KB Protected Boot Block
    — Two 8 KB Parameter Blocks
    — One 96 KB Main Block
    — Three 128 KB Main Blocks
    — Top or Bottom Boot Locations
■ Extended Cycling Capability
    — 1,000 Block Erase Cycles
■ Automated Word/Byte Write and Block Erase
    — Command User Interface
    — Status Register
    — Erase Suspend Capability
■ SRAM-Compatible Write Interface
■ Automatic Power Savings Feature
    — 1 mA Typical ICC Active Current in Static Operation
■ Very High-Performance Read
    — 90 ns Maximum Access Time
    — 45 ns Maximum Output Enable Time
■ Low Power Consumption
    — 25 mA Typical Active Read Current
■ Deep Power-Down/Reset Input
    — Acts as Reset for Boot Operations
■ Automotive Temperature Operation
    — b40§C to a125§C
■ Write Protection for Boot Block
■ Hardware Data Protection Feature
    — Erase/Write Lockout During Power Transitions
■ Industry Standard Surface Mount Packaging
    — JEDEC ROM Compatible 44-Lead PSOP
■ 12V Word/Byte Write and Block Erase
    — VPP e 12V g5% Standard
■ ETOXTM III Flash Technology
    — 5V Read

 

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