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E28F002BC-T80 Datasheet

28F002BC 2-MBIT (256K X 8) BOOT BLOCK FLASH MEMORY

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E
PRELIMINARY
28F002BC 2-MBIT (256K X 8)
BOOT BLOCK FLASH MEMORY
n High Performance Read
80/120 ns Max Access Time
40 ns Max. Output Enable Time
n Low Power Consumption
20 mA Typical Read Current
n x8-Only Input/Output Architecture
Space-Constrained 8-bit
Applications
n Optimized Array Blocking Architecture
One 16-KB Protected Boot Block
Two 8-KB Parameter Blocks
One 96-KB Main Block
One 128-KB Main Block
Top Boot Location
n Hardware Data Protection Feature
Erase/Write Lockout during Power
Transitions
Absolute Hardware Protection for
Boot Block
n Software EEPROM Emulation with
Parameter Blocks
n Extended Cycling Capability
100,000 Block Erase Cycles
n Automated Byte Write and Block Erase
n Industry-Standard Command User
Interface
Status Registers
Erase Suspend Capability
n SRAM-Compatible Write Interface
n Reset/Deep Power-Down Input
0.2 µA ICC Typical
Provides Reset for Boot Operations
n Industry-Standard Surface Mount
Packaging
40-Lead TSOP
44-Lead PSOP
40-Lead PDIP
n ETOX™ IV Flash Technology
5V Read
n 12V Write and Block Erase
VPP = 12V ±5% Standard
VPP = 12V ±10% Option
n Independent Software Vendor Support
Intel’s 2-Mbit flash memory is an extension of the Boot Block architecture which includes block-selective
erasure, automated write and erase operations, and a standard microprocessor interface. The 2-Mbit flash
memory enhances the Boot Block architecture by adding more density and blocks, x8 input/output control,
very high-speed, low-power, and industry-standard ROM-compatible pinout and surface mount packaging.
The Intel 28F002BC is an 8-bit wide flash memory offering. This high-density flash memory provides user-
selectable bus operation for 8-bit applications. The 28F002BC is a 2,097,152-bit nonvolatile memory
organized as 262,144 bytes of information. It is offered in 44-lead PSOP, 40- lead PDIP and 40-lead TSOP
package, which is ideal for space-constrained portable systems or any application with board space
limitations.
This device uses an integrated Command User Interface (CUI) and Write State Machine (WSM) for simplified
byte write and block erasure. The 28F002BC provides block locations compatible with Intel’s MCS®-186
family, 80286, 90860CA, and the Intel386™, Intel486™, Pentium®, and Pentium Pro microprocessors.
The boot block includes a data protection feature to protect the boot code in critical applications. With a
maximum access time of 80 ns, this high-performance 2-Mbit flash memory interfaces at zero wait-state to a
wide range of microprocessors and microcontrollers. A deep power-down mode lowers the total VCC power
consumption to 1 µW typical. This power savings is critical in hand-held battery powered systems. For very
low-power applications using a 3.3V supply, refer to the Intel 28F002BV-T/B 2-Mbit SmartVoltage Boot Block
Flash Memory datasheet. Manufactured on Intel’s 0.6 micron ETOX™ IV process technology, the 28F002BC
flash memory provides world-class quality, reliability, and cost-effectiveness at the 2-Mbit density.
October 1996
Order Number: 290578-003
Intel Corporation
Intel Corporation



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