LRS1302 View Datasheet(PDF) - Sharp Electronics
Part Name
Description
MFG CO.
'LRS1302' PDF : 61 Pages View PDF
SHARP
LRS13023
8
Part2 Flash memory
CONTENTS
PAGE
PAGE
.. INTRODUCTION ........................................................... 9
1.1 New Features.. ........................................................... -9
1.2 Product Overview ...................................................... 9
!. PRINCIPLES OF OPERATION ................................... 12
2.1 Data Protection ......................................................... 12
I.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
I. 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 Byte Write Command .............................................. 18
4.7 Block Erase Suspend Command ........................... .18
4.8 Byte Write Suspend Command.. ........................... .19
4.9 Set Block and Master Lock-Bit Commands ......... -19
4.10 Clear Block Lock-Bits Command.. ....................... 20
5. DESIGN CONSIDERATIONS .................................... 28
5.1 Three-Line Output Control .................................... 28
5.2 Power Supply Decoupling.. .................................... 28
5.3 V,, Trace on Printed Circuit Boards.. ................... 28
5.4 V,,, V,,, i?is Transitions.. ...................................... 29
5.5 Power-Up/Down Protection.. ................................ 29
5.6 Power Dissipation.. .................................................. 29
6.ELECTRICAL SPECIFICATIONS ............................... 30
6 1 Absolute Maximum Ratings.. ................................. 30
6.2 Operating Conditions.. ............................................ 30
6.2.1 AC Input/Output Test Conditions.. ................ 31
6.2.2 DC Characteristics ............................................. 32
6.2.3 AC Characteristics - Read-Only Operations ... 34
6.2.4 AC Characteristics - Write Operations.. ......... .36
6.2.5 Alternative a-Controlled Writes ................... 38
6.2.6 Reset Operations ................................................ 40
6.2.7 Block Erase, Byte Write and Lock-Bit
Configuration Performance.. ........................... 41
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