LHF08CTE
Rev. 1.3
Handle this document carefully for it contains material protected by international
copyright law. Any reproduction, full or in part, of this material is prohibited without the
express written permission of the company.
When using the products covered herein, please observe the conditions written herein
and the precautions outlined in the following paragraphs. In no event shall the company
be liable for any damages resulting from failure to strictly adhere to these conditions and
precautions.
(1) The products covered herein are designed and manufactured for the following
application areas. When using the products covered herein for the equipment listed
in Paragraph (2), even for the following application areas, be sure to observe the
precautions given in Paragraph (2). Never use the products for the equipment listed
in Paragraph (3).
Office electronics
Instrumentation and measuring equipment
Machine tools
Audiovisual equipment
Home appliance
Communication equipment other than for trunk lines
(2) Those contemplating using the products covered herein for the following equipment
which demands high reliability, should first contact a sales representative of the
company and then accept responsibility for incorporating into the design fail-safe
operation, redundancy, and other appropriate measures for ensuring reliability and
safety of the equipment and the overall system.
Control and safety devices for airplanes, trains, automobiles, and other
transportation equipment
Mainframe computers
Traffic control systems
Gas leak detectors and automatic cutoff devices
Rescue and security equipment
Other safety devices and safety equipment,etc.
(3) Do not use the products covered herein for the following equipment which demands
extremely high performance in terms of functionality, reliability, or accuracy.
Aerospace equipment
Communications equipment for trunk lines
Control equipment for the nuclear power industry
Medical equipment related to life support, etc.
(4) Please direct all queries and comments regarding the interpretation of the above
three Paragraphs to a sales representative of the company.
Please direct all queries regarding the products covered herein to a sales representative
of the company.
LHF08CTE
1
Rev. 1.3
CONTENTS
PAGE
1.0 INTRODUCTION ................................................... 3
1.1 New Features...................................................... 3
1.2 Product Overview ................................................ 3
2.0 PRINCIPLES OF OPERATION ............................. 7
2.1 Data Protection ................................................... 7
3.0 BUS OPERATION................................................. 8
3.1 Read ................................................................... 8
3.2 Output Disable .................................................... 8
3.3 Standby ............................................................... 8
3.4 Deep Power-Down .............................................. 8
3.5 Read Identifier Codes Operation ......................... 9
3.6 Write.................................................................... 9
4.0 COMMAND DEFINITIONS .................................... 9
4.1 Read Array Command....................................... 12
4.2 Read Identifier Codes Command ...................... 12
4.3 Read Status Register Command....................... 12
4.4 Clear Status Register Command....................... 12
4.5 Block Erase Command...................................... 12
4.6 Byte Write Command ........................................ 13
4.7 Block Erase Suspend Command....................... 13
4.8 Byte Write Suspend Command ......................... 14
4.9 Set Block and Master Lock-Bit Commands ....... 14
4.10 Clear Block Lock-Bits Command..................... 15
PAGE
5.0 DESIGN CONSIDERATIONS ..............................23
5.1 Three-Line Output Control .................................23
5.2 RY/BY# and Block Erase, Byte Write and Lock-Bit
Configuration Polling...........................................23
5.3 Power Supply Decoupling ..................................23
5.4 V
PP
Trace on Printed Circuit Boards ..................23
5.5 V
CC
, V
PP
, RP# Transitions.................................24
5.6 Power-Up/Down Protection................................24
5.7 Power Dissipation ..............................................24
6.0 ELECTRICAL SPECIFICATIONS........................25
6.1 Absolute Maximum Ratings ...............................25
6.2 Operating Conditions .........................................25
6.2.1 Capacitance .................................................25
6.2.2 AC Input/Output Test Conditions ..................26
6.2.3 DC Characteristics........................................27
6.2.4 AC Characteristics - Read-Only Operations .29
6.2.5 AC Characteristics - Write Operations ..........32
6.2.6 Alternative CE#-Controlled Writes ................35
6.2.7 Reset Operations .........................................38
6.2.8 Block Erase, Byte Write and Lock-Bit
Configuration Performance...........................39
7.0 ADDITIONAL INFORMATION .............................40
7.1 Ordering Information ..........................................40
8.0 PACKAGE AND PACKING SPECIFICATIONS ..41
LHF08CTE
2
Rev. 1.3
LH28F008SCHT-TE
8M-BIT (1MB x 8)
SmartVoltage Flash MEMORY
SmartVoltage Technology
2.7V(Read-Only), 3.3V or 5V V
CC
3.3V, 5V or 12V V
PP
High-Performance Read Access Time
85ns(5V0.25V), 90ns(5V0.5V),
120ns(3.3V0.3V), 150ns(2.7V-3.6V)
Operating Temperature
-40C to +85C
High-Density Symmetrically-Blocked
Architecture
Sixteen 64K-byte Erasable Blocks
Low Power Management
Deep Power-Down Mode
Automatic Power Savings Mode
Decreases I
CC
in Static Mode
Enhanced Data Protection Features
Absolute Protection with V
PP
=GND
Flexible Block Locking
Block Erase/Byte Write Lockout
during Power Transitions
Automated Byte Write and Block Erase
Command User Interface
Status Register
Enhanced Automated Suspend Options
Byte Write Suspend to Read
Block Erase Suspend to Byte Write
Block Erase Suspend to Read
Extended Cycling Capability
100,000 Block Erase Cycles
1.6 Million Block Erase Cycles/Chip
SRAM-Compatible Write Interface
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