LHF08CH1 查看數據表（PDF） - Sharp Electronics

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LHF08CH1

Flash Memory 8M (1MB × 8)

Sharp Electronics 

sharp

LHF08CH1

1

CONTENTS

PAGE

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

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 VPP Trace on Printed Circuit Boards ..................23

5.5 VCC, VPP, 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

Rev. 1.3

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