M28W320BB85N6T datasheet, PDF - EEWORLD Datasheet

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M28W320BB85N6T: Description32 Mbit (2Mb x16, Boot Block) 3V Supply Flash Memory; Categorystorage storage; File Size225KB，44 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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M28W320BB85N6T Overview

32 Mbit (2Mb x16, Boot Block) 3V Supply Flash Memory

M28W320BB85N6T Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	STMicroelectronics
Parts packaging code	TSOP
package instruction	12 X 20 MM, PLASTIC, TSOP-48
Contacts	48
Reach Compliance Code	_compli
ECCN code	3A991.B.1.A
Maximum access time	85 ns
Other features	BOTTOM BOOT BLOCK
startup block	BOTTOM
command user interface	YES
Universal Flash Interface	YES
Data polling	NO
JESD-30 code	R-PDSO-G48
JESD-609 code	e0
length	18.4 mm
memory density	33554432 bi
Memory IC Type	FLASH
memory width	16
Number of functions	1
Number of departments/size	8,63
Number of terminals	48
word count	2097152 words
character code	2000000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
organize	2MX16
Package body material	PLASTIC/EPOXY
encapsulated code	TSOP1
Encapsulate equivalent code	TSSOP48,.8,20
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE
Parallel/Serial	PARALLEL
power supply	3,3/3.3 V
Programming voltage	3 V
Certification status	Not Qualified
Maximum seat height	1.2 mm
Department size	4K,32K
Maximum standby current	0.000005 A
Maximum slew rate	0.02 mA
Maximum supply voltage (Vsup)	3.6 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	3 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	DUAL
switch bit	NO
type	NOR TYPE
width	12 mm

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M28W320BT

M28W320BB

32 Mbit (2Mb x16, Boot Block)

3V Supply Flash Memory

FEATURES SUMMARY

SUPPLY VOLTAGE

– V

= 2.7V to 3.6V Core Power Supply

– V

DDQ

= 1.65V to 3.6V for Input/Output

– V

= 12V for fast Program (optional)

FBGA

Figure 1. Packages

ACCESS TIME: 70, 85, 90,100ns

PROGRAMMING TIME

– 10µs typical

– Double Word Programming Option

TFBGA47 (ZB)

6.39 x 10.5mm

COMMON FLASH INTERFACE

– 64 bit Security Code

MEMORY BLOCKS

– Parameter Blocks (Top or Bottom location)

– Main Blocks

BLOCK PROTECTION on TWO PARAMETER

BLOCKS

– WP for Block Protection

AUTOMATIC STAND-BY MODE

PROGRAM and ERASE SUSPEND

100,000 PROGRAM/ERASE CYCLES per

BLOCK

ELECTRONIC SIGNATURE

– Manufacturer Code: 20h

– Top Device Code, M28W320BT: 88BCh

– Bottom Device Code, M28W320BB: 88BDh

TSOP48 (N)

12 x 20mm

May 2002

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M28W320BT, M28W320BB

Table 6. Program, Erase Times and Program/Erase Endurance Cycles . . . . . . . . . . . . . . . . . . . . 14

STATUS REGISTER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Program/Erase Controller Status (Bit 7) . . .

Erase Suspend Status (Bit 6) . . . . . . . . . . .

Erase Status (Bit 5) . . . . . . . . . . . . . . . . . . .

Program Status (Bit 4) . . . . . . . . . . . . . . . . .

Status (Bit 3). . . . . . . . . . . . . . . . . . . . .

Program Suspend Status (Bit 2) . . . . . . . . .

Block Protection Status (Bit 1). . . . . . . . . . .

Reserved (Bit 0). . . . . . . . . . . . . . . . . . . . . .

Table 7. Status Register Bits . . . . . . . . . . . .

......

.......

......

.......

......

. . . . 15

. . . . 16

MAXIMUM RATING. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Table 8. Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

DC and AC PARAMETERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table 9. Operating and AC Measurement Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 6. AC Measurement I/O Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Figure 7. AC Measurement Load Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table 10. Device Capacitance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table 11. DC Characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 8. Read AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table 12. Read AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Figure 9. Write AC Waveforms, Write Enable Controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Table 13. Write AC Characteristics, Write Enable Controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Figure 10. Write AC Waveforms, Chip Enable Controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

Table 14. Write AC Characteristics, Chip Enable Controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Figure 11. Power-Up and Reset AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table 15. Power-Up and Reset AC Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

PACKAGE MECHANICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Figure 12. TSOP48 - 48 lead Plastic Thin Small Outline, 12 x 20mm, Package Outline . . . . . . . . 26

Table 16. TSOP48 - 48 lead Plastic Thin Small Outline, 12 x 20mm, Package Mechanical Data . 26

Figure 13. TFBGA47 6.39x10.5mm - 8x6 ball array, 0.75mm pitch, Bottom View Package Outline27

Table 17. TFBGA47 6.39x10.5mm - 8x6 ball array, 0.75mm pitch, Package Mechanical Data . . . 27

Figure 14. TFBGA47 Daisy Chain - Package Connections (Top view through package) . . . . . . . . 28

Figure 15. TFBGA47 Daisy Chain - PCB Connections proposal (Top view through package) . . . . 28

PART NUMBERING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Table 18. Ordering Information Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Table 19. Daisy Chain Ordering Scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

REVISION HISTORY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Table 20. Document Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

3/43

M28W320BT, M28W320BB

APPENDIX A. BLOCK ADDRESS TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Table 21. Top Boot Block Addresses, M28W320BT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Table 22. Bottom Boot Block Addresses, M28W320BB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

APPENDIX B. COMMON FLASH INTERFACE (CFI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 23. Query Structure Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 24. CFI Query Identification String . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Table 25. CFI Query System Interface Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Table 26. Device Geometry Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Table 27. Primary Algorithm-Specific Extended Query Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Table 28. Security Code Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

APPENDIX C. FLOWCHARTS AND PSEUDO CODES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 16. Program Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Figure 17. Double Word Program Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Figure 18. Program Suspend & Resume Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . 39

Figure 19. Erase Flowchart and Pseudo Code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Figure 20. Erase Suspend & Resume Flowchart and Pseudo Code. . . . . . . . . . . . . . . . . . . . . . . . 41

APPENDIX D. COMMAND INTERFACE AND PROGRAM/ERASE CONTROLLER STATE . . . . . . . 42

Table 29. Write State Machine Current/Next . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

4/43

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