E28F004BVT120.pdf 데이터시트 (총 30 페이지) - 파일 다운로드 E28F004BVT120 데이타시트 다운로드

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PRELIMINARY
4-MBIT (256K X 16, 512K X 8)
SmartVoltage BOOT BLOCK FLASH
MEMORY FAMILY
28F400BV-T/B, 28F400CV-T/B, 28F004BV-T/B
28F400CE-T/B, 28F004BE-T/B
n Intel SmartVoltage Technology
5V or 12V Program/Erase
2.7V, 3.3V or 5V Read Operation
Increased Programming Throughput
at 12V VPP
n Very High-Performance Read
5V: 60/80/120 ns Max. Access Time,
30/40 ns Max. Output Enable Time
3V: 110/150/180 ns Max Access
65/90 ns Max. Output Enable Time
2.7V: 120 ns Max Access 65 ns Max.
Output Enable Time
n Low Power Consumption
Max 60 mA Read Current at 5V
Max 30 mA Read Current at
2.7V–3.6V
n x8/x16-Selectable Input/Output Bus
28F400 for High Performance 16- or
32-bit CPUs
n x8-Only Input/Output Architecture
28F004B for 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
Three 128-KB Main Blocks
Top or Bottom Boot Locations
n Absolute Hardware-Protection for Boot
Block
n Software EEPROM Emulation with
Parameter Blocks
n Extended Temperature Operation
–40°C to +85°C
n Extended Cycling Capability
100,000 Block Erase Cycles
(Commercial Temperature)
10,000 Block Erase Cycles
(Extended Temperature)
n Automated Word/Byte Program and
Block Erase
Industry-Standard Command User
Interface
Status Registers
Erase Suspend Capability
n SRAM-Compatible Write Interface
n Automatic Power Savings Feature
1 mA Typical ICC Active Current in
Static Operation
n Reset/Deep Power-Down Input
0.2 µA ICCTypical
Provides Reset for Boot Operations
n Hardware Data Protection Feature
Write Lockout during Power
Transitions
n Industry-Standard Surface Mount
Packaging
40-Lead TSOP
44-Lead PSOP: JEDEC ROM
Compatible
48-Lead TSOP
56-Lead TSOP
n Footprint Upgradeable from 2-Mbit and
to 8-Mbit Boot Block Flash Memories
n ETOX™ IV Flash Technology
July 1997
Order Number: 290530-005

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Information in this document is provided in connection with Intel products. No license, express or implied, by estoppel or
otherwise, to any intellectual property rights is granted by this document. Except as provided in Intel’s Terms and Conditions of
Sale for such products, Intel assumes no liability whatsoever, and Intel disclaims any express or implied warranty, relating to
sale and/or use of Intel products including liability or warranties relating to fitness for a particular purpose, merchantability, or
infringement of any patent, copyright or other intellectual property right. Intel products are not intended for use in medical, life
saving, or life sustaining applications.
Intel may make changes to specifications and product descriptions at any time, without notice.
The 28F400BV-T/B, 28F400CV-T/B, 28F004BV-T/B, 28F400CE-T/B, 28F004BE-T/B may contain design defects or errors
known as errata which may cause the product to deviate from published specifications. Current characterized errata are
available on request.
Contact your local Intel sales office or your distributor to obtain the latest specifications and before placing your product order.
Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be
obtained from:
Intel Corporation
P.O. Box 7641
Mt. Prospect, IL 60056-7641
or call 1-800-879-4683
or visit Intel’s Website at http:\\www.intel.com
COPYRIGHT © INTEL CORPORATION, 1997
*Third-party brands and names are the property of their respective owners.
CG-041493

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4-MBIT SmartVoltage BOOT BLOCK FAMILY
CONTENTS
PAGE
1.0 PRODUCT FAMILY OVERVIEW .................... 5
1.1 New Features in the SmartVoltage
Products ..................................................... 5
1.2 Main Features.............................................. 5
1.3 Applications ................................................. 7
1.4 Pinouts......................................................... 7
1.5 Pin Descriptions......................................... 11
2.0 PRODUCT DESCRIPTION............................ 13
2.1 Memory Blocking Organization .................. 13
2.1.1 Boot Block........................................... 13
2.1.2 Parameter Blocks................................ 13
2.1.3 Main Blocks......................................... 13
3.0 PRODUCT FAMILY PRINCIPLES OF
OPERATION ................................................ 15
3.1 Bus Operations .......................................... 15
3.2 Read Operations........................................ 15
3.2.1 Read Array.......................................... 15
3.2.2 Intelligent Identifiers ............................ 17
3.3 Write Operations........................................ 17
3.3.1 Command User Interface (CUI)........... 17
3.3.2 Status Register ................................... 20
3.3.3 Program Mode .................................... 21
3.3.4 Erase Mode......................................... 21
3.4 Boot Block Locking .................................... 22
3.4.1 VPP = VIL for Complete Protection ....... 22
3.4.2 WP# = VIL for Boot Block Locking ....... 22
3.4.3 RP# = VHH or WP# = VIH forr Boot Block
Unlocking ........................................... 22
3.4.4 Upgrade Note for 8-Mbit 44-PSOP
Package............................................. 22
PAGE
3.5 Power Consumption...................................26
3.5.1 Active Power .......................................26
3.5.2 Automatic Power Savings (APS) .........26
3.5.3 Standby Power ....................................26
3.5.4 Deep Power-Down Mode.....................26
3.6 Power-Up/Down Operation.........................26
3.6.1 RP# Connected to System Reset ........26
3.6.2 VCC, VPP and RP# Transitions .............27
3.7 Power Supply Decoupling ..........................27
3.7.1 VPP Trace on Printed Circuit Boards....27
4.0 ABSOLUTE MAXIMUM RATINGS................28
5.0 COMMERCIAL OPERATING CONDITIONS .29
5.1 Applying VCC Voltages ...............................29
5.2 DC Characteristics .....................................30
5.3 AC Characteristics .....................................34
6.0 EXTENDED OPERATING CONDITIONS ......44
6.1 Applying VCC Voltages ...............................44
6.2 DC Characteristics .....................................45
6.3 AC Characteristics .....................................51
APENDIX A: Additional Information .................56
APPENDIX B: Additional Information...............57
PRELIMINARY
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