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K8A55ETC

256Mb C-die NOR FLASH

Samsung 

K8A56(57)15ET(B)(Z)C

Rev. 1.0

datasheet NOR FLASH MEMORY

256Mb C-die NOR FLASH 1

1.0 FEATURES................................................................................................................................................................. 5

2.0 GENERAL DESCRIPTION ......................................................................................................................................... 5

3.0 PIN DESCRIPTION .................................................................................................................................................... 5

4.0 BALL FBGA TOP VIEW (BALL DOWN) ..................................................................................................................... 6

5.0 FUNCTIONAL BLOCK DIAGRAM .............................................................................................................................. 7

6.0 ORDERING INFORMATION ...................................................................................................................................... 8

7.0 PRODUCT INTRODUCTION...................................................................................................................................... 11

8.0 COMMAND DEFINITIONS ......................................................................................................................................... 12

9.0 DEVICE OPERATION ................................................................................................................................................ 14

9.1 Read Mode .............................................................................................................................................................. 14

9.1.1 Asynchronous Read Mode................................................................................................................................ 14

9.1.1.1 Asynchronous Page Read Mode ................................................................................................................ 14

9.1.2 Synchronous (Burst) Read Mode...................................................................................................................... 14

9.1.2.1 Continuous Linear Burst Read.................................................................................................................... 14

9.2 Programmable Wait State ....................................................................................................................................... 15

9.3 Handshaking............................................................................................................................................................ 15

9.4 Set Burst Mode Configuration Register ................................................................................................................... 15

9.4.1 Programmable Wait State Configuration........................................................................................................... 15

9.4.2 Burst Read Mode Setting .................................................................................................................................. 15

9.4.3 RDY Configuration ............................................................................................................................................ 15

9.5 Autoselect Mode...................................................................................................................................................... 17

9.6 Standby Mode ......................................................................................................................................................... 17

9.7 Automatic Sleep Mode ............................................................................................................................................ 17

9.8 Output Disable Mode ............................................................................................................................................... 17

9.9 Block Protection & Unprotection.............................................................................................................................. 17

9.10 Hardware Reset..................................................................................................................................................... 17

9.11 Software Reset ...................................................................................................................................................... 18

9.12 Program ................................................................................................................................................................. 18

9.13 Accelerated Program ............................................................................................................................................. 18

9.14 Write Buffer Programming ..................................................................................................................................... 18

9.15 Accelerated Write Buffer Programming ................................................................................................................. 19

9.16 Chip Erase ............................................................................................................................................................. 19

9.17 Block Erase ........................................................................................................................................................... 19

9.18 Unlock Bypass....................................................................................................................................................... 19

9.19 Erase Suspend / Resume...................................................................................................................................... 20

9.20 Program Suspend / Resume ................................................................................................................................. 20

9.21 Read While Write Operation .................................................................................................................................. 20

9.22 OTP Block Region ................................................................................................................................................. 20

9.23 Low VCC Write Inhibit ........................................................................................................................................... 20

9.24 Write Pulse “Glitch” Protection .............................................................................................................................. 21

9.25 Logical Inhibit......................................................................................................................................................... 21

10.0 FLASH MEMORY STATUS FLAGS ......................................................................................................................... 22

11.0 DEEP POWER DOWN ............................................................................................................................................. 24

12.0 COMMON FLASH MEMORY INTERFACE .............................................................................................................. 25

13.0 ABSOLUTE MAXIMUM RATINGS ..................................................................................................................... 27

14.0 RECOMMENDED OPERATING CONDITIONS ( Voltage reference to GND ) ..................................................... 27

15.0 DC CHARACTERISTICS................................................................................................................................... 28

16.0 CAPACITANCE (TA = 25 °C, VCC = 1.8V, f = 1.0MHz)...................................................................................... 29

17.0 AC TEST CONDITION ...................................................................................................................................... 29

18.0 AC CHARACTERISTICS .......................................................................................................................................... 30

18.1 Synchronous/Burst Read.................................................................................................................................30

18.2 Asynchronous Read ........................................................................................................................................33

18.3 Erase/Program Operation................................................................................................................................37

18.4 Erase/Program Performance ...........................................................................................................................38

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