CY15B104Q
Contents
Pinouts ..............................................................................3
Pin Definitions ..................................................................3
Overview ............................................................................4
Memory Architecture ...................................................4
Serial Peripheral Interface (SPI) Bus ..........................4
SPI Overview ...............................................................4
SPI Modes ...................................................................5
Power Up to First Access ............................................6
Command Structure ....................................................6
WREN - Set Write Enable Latch .................................6
WRDI - Reset Write Enable Latch ...............................6
Status Register and Write Protection .............................7
Read Status Register (RDSR) .....................................7
Write Status Register (WRSR) ....................................7
Memory Operation ............................................................8
Write Operation ...........................................................8
Read Operation ...........................................................8
Fast Read Operation ...................................................8
HOLD Pin Operation .................................................10
Sleep Mode ...............................................................10
Device ID ...................................................................11
Endurance .................................................................11
Maximum Ratings ...........................................................12
Operating Range .............................................................12
DC Electrical Characteristics ........................................12
Data Retention and Endurance .....................................13
Capacitance ....................................................................13
Thermal Resistance ........................................................13
AC Test Conditions ........................................................13
AC Switching Characteristics .......................................14
Power Cycle Timing .......................................................16
Ordering Information ......................................................17
Ordering Code Definitions .........................................17
Package Diagrams ..........................................................18
Acronyms ........................................................................20
Document Conventions .................................................20
Units of Measure .......................................................20
Document History Page .................................................21
Sales, Solutions, and Legal Information ......................22
Worldwide Sales and Design Support .......................22
Products ....................................................................22
PSoC® Solutions ......................................................22
Cypress Developer Community .................................22
Technical Support .....................................................22
Document Number: 001-94240 Rev. *E
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