28F004SC datasheet(3/42 Pages) INTEL

3 / 42 page

BYTE-WIDE SmartVoltage FlashFile™ MEMORY FAMILY

PRELIMINARY

CONTENTS

PAGE

1.0 INTRODUCTION .............................................5

1.1 New Features...............................................5

1.2 Product Overview.........................................5

1.3 Pinout and Pin Description ...........................6

2.0 PRINCIPLES OF OPERATION .....................12

2.1 Data Protection ..........................................13

3.0 BUS OPERATION .........................................13

3.1 Read ..........................................................13

3.2 Output Disable ...........................................13

3.3 Standby......................................................13

3.4 Deep Power-Down .....................................13

3.5 Read Identifier Codes Operation ................14

3.6 Write ..........................................................14

4.0 COMMAND DEFINITIONS ............................14

4.1 Read Array Command................................17

4.2 Read Identifier Codes Command ...............17

4.3 Read Status Register Command................17

4.4 Clear Status Register Command................17

4.5 Block Erase Command ..............................17

4.6 Program Command....................................18

4.7 Block Erase Suspend Command................18

4.8 Program Suspend Command .....................19

4.9 Set Block and Master Lock-Bit Commands 19

4.10 Clear Block Lock-Bits Command ..............20

5.0 DESIGN CONSIDERATIONS ........................28

5.1 Three-Line Output Control..........................28

5.2 RY/BY# Hardware Detection ......................28

5.3 Power Supply Decoupling ..........................28

5.4 VPP Trace on Printed Circuit Boards...........28

5.5 VCC, VPP, RP# Transitions .........................28

5.6 Power-Up/Down Protection ........................28

5.7 VPP Program and Erase Voltages on Sub-

0.4µ SC Memory Family............................29

6.0 ELECTRICAL SPECIFICATIONS..................30

6.1 Absolute Maximum Ratings ........................30

6.2 Commercial Temperature Operating

Conditions .................................................30

6.3 Capacitance ...............................................30

6.4 DC Characteristics—Commercial

Temperature..............................................31

6.5 AC Characteristics—Read-Only

Operations—Commercial Temperature .....35

6.6 AC Characteristics—Write Operations—

Commercial Temperature ..........................37

6.7 Block Erase, Program, and Lock-Bit

Configuration Performance—Commercial

Temperature..............................................39

6.8 Extended Temperature Operating

Conditions .................................................40

6.9 DC Characteristics—Extended

Temperature..............................................40

6.10 AC Characteristics—Read-Only Operations

— Extended Temperature .........................40

7.0 ORDERING INFORMATION..........................41

8.0 ADDITIONAL INFORMATION .......................42

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