●PRODUCT FAMILY OVERVIEW
●Throughout this datasheet the 28F400BX refers to both the 28F400BX-T and 28F400BX-B devices and 28F004BX refers to both the 28F004BX-T and 28F004BX-B devices. The 4-Mbit flash memory family refers to both the 28F400BX and 28F004BX products. This datasheet comprises the specifications for four separate products in the 4-Mbit flash memory family. Section 1 provides an overview of the 4-Mbit flash memory family including applications, pinouts and pin descriptions.
●x8/x16 Input/Output Architecture
● 28F400BX-T, 28F400BX-B
● For High Performance and High
●Integration 16-bit and 32-bit CPUs
●x8-only Input/Output Architecture
● 28F004BX-T, 28F004BX-B
● For Space Constrained 8-bit Applications
●Upgradeable to Intel’s Smart Voltage Products
●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
● 100,000 Block Erase Cycles
●Automated Word/Byte Write and Block Erase
● Command User Interface
● Status Registers
● Erase Suspend Capability
●SRAM-Compatible Write Interface
●Automatic Power Savings Feature
● 1 mA Typical ICC Active Current in Static Operation
●Very High-Performance Read
● 60/80/120 ns Maximum Access Time
● 30/40/40 ns Maximum Output Enable Time
●Low Power Consumption
● 20 mA Typical Active Read Current
●Reset/Deep Power-Down Input
● 0.2 mA ICC Typical
● Acts as Reset for Boot Operations
●Extended Temperature Operation
● b40§C to a85§C
●Write Protection for Boot Block
●Hardware Data Protection Feature
● Erase/Write Lockout During Power Transitions
●Industry Standard Surface Mount Packaging
● 28F400BX: JEDEC ROM Compatible
● 44-Lead PSOP
● 56-Lead TSOP
● 28F004BX: 40-Lead TSOP
●12V Word/Byte Write and Block Erase
● VPP e 12V g5% Standard
● VPP e 12V g10% Option
●ETOXTM III Flash Technology
● 5V Read
Part 3D Model
