W9812G2GH-75 datasheet, PDF - EEWORLD Datasheet

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W9812G2GH-75: Descriptiona high-speed synchronous dynamic random access memory (SDRAM), organized as 1,048,576 words 】 4 banks 】 32 bits; Categorystorage storage; File Size1MB，42 Pages; ManufacturerWinbond Electronics Corporation; Websitehttp://www.winbond.com.tw; Environmental Compliance

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W9812G2GH-75 Overview

a high-speed synchronous dynamic random access memory (SDRAM), organized as 1,048,576 words 】 4 banks 】 32 bits

W9812G2GH-75 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	Winbond Electronics Corporation
Parts packaging code	TSOP2
package instruction	TSOP2, TSSOP86,.46,20
Contacts	86
Reach Compliance Code	compli
ECCN code	EAR99
access mode	FOUR BANK PAGE BURST
Maximum access time	5.4 ns
Other features	AUTO/SELF REFRESH
Maximum clock frequency (fCLK)	133 MHz
I/O type	COMMON
interleaved burst length	1,2,4,8
JESD-30 code	R-PDSO-G86
length	22.22 mm
memory density	134217728 bi
Memory IC Type	SYNCHRONOUS DRAM
memory width	32
Number of functions	1
Number of ports	1
Number of terminals	86
word count	4194304 words
character code	4000000
Operating mode	SYNCHRONOUS
Maximum operating temperature	70 °C
Minimum operating temperature
organize	4MX32
Output characteristics	3-STATE
Package body material	PLASTIC/EPOXY
encapsulated code	TSOP2
Encapsulate equivalent code	TSSOP86,.46,20
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
power supply	3.3 V
Certification status	Not Qualified
refresh cycle	4096
Maximum seat height	1.2 mm
self refresh	YES
Continuous burst length	1,2,4,8,FP
Maximum standby current	0.002 A
Maximum slew rate	0.21 mA
Maximum supply voltage (Vsup)	3.6 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	YES
technology	CMOS
Temperature level	COMMERCIAL
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	10.16 mm

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W9812G2GH

Table of Contents-

GENERAL DESCRIPTION .............................................................................................................. 3

FEATURES...................................................................................................................................... 3

AVAILABLE PART NUMBER .......................................................................................................... 3

PIN CONFIGURATION.................................................................................................................... 4

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

BLOCK DIAGRAM........................................................................................................................... 6

FUNCTIONAL DESCRIPTION ........................................................................................................ 7

7.1

7.2

7.3

7.4

7.5

7.6

7.7

7.8

7.9

7.10

7.11

7.12

7.13

7.14

7.15

7.16

7.17

7.18

7.19

7.20

Power Up and Initialization.................................................................................................... 7

Programming Mode Register ................................................................................................ 7

Bank Activate Command ....................................................................................................... 7

Read and Write Access Modes ............................................................................................. 7

Burst Read Command ........................................................................................................... 8

Burst Write Command ........................................................................................................... 8

Read Interrupted by a Read .................................................................................................. 8

Read Interrupted by a Write .................................................................................................. 8

Write Interrupted by a Write .................................................................................................. 8

Write Interrupted by a Read .................................................................................................. 8

Burst Stop Command ............................................................................................................ 9

Addressing Sequence of Sequential Mode ........................................................................... 9

Addressing Sequence of Interleave Mode ............................................................................ 9

Auto-precharge Command .................................................................................................. 10

Precharge Command .......................................................................................................... 10

Self Refresh Command ....................................................................................................... 10

Power Down Mode .............................................................................................................. 11

No Operation Command...................................................................................................... 11

Deselect Command ............................................................................................................. 11

Clock Suspend Mode .......................................................................................................... 11

OPERATION MODE...................................................................................................................... 12

ELECTRICAL CHARACTERISTICS ............................................................................................. 13

9.1

9.2

9.3

9.4

Absolute Maximum Ratings................................................................................................. 13

Recommended DC Operating Conditions ........................................................................... 13

Capacitance......................................................................................................................... 13

DC Characteristics............................................................................................................... 14

-1-

Publication Release Date: Aug. 13,2007

Revision A07

W9812G2GH

9.5

10.1

10.2

10.3

10.4

11.1

11.2

11.3

11.4

11.5

11.6

11.7

11.8

11.9

AC Characteristics and Operating Condition....................................................................... 15

Command Input Timing ....................................................................................................... 17

Read Timing ........................................................................................................................ 18

Control Timing of Input/Output Data.................................................................................... 19

Mode Register Set Cycle..................................................................................................... 20

Interleaved Bank Read (Burst Length = 4, CAS Latency = 3)............................................. 21

Interleaved Bank Read (Burst Length = 4, CAS Latency = 3, Auto-precharge).................. 22

Interleaved Bank Read (Burst Length = 8, CAS Latency = 3)............................................. 23

Interleaved Bank Read (Burst Length = 8, CAS Latency = 3, Auto-precharge).................. 24

Interleaved Bank Write (Burst Length = 8) .......................................................................... 25

Interleaved Bank Write (Burst Length = 8, Auto-precharge) ............................................... 26

Page Mode Read (Burst Length = 4, CAS Latency = 3) ..................................................... 27

Page Mode Read / Write (Burst Length = 8, CAS Latency = 3).......................................... 28

Auto-precharge Read (Burst Length = 4, CAS Latency = 3)............................................... 29

TIMING WAVEFORMS.................................................................................................................. 17

Operating Timing Example ............................................................................................................ 21

11.10 Auto-precharge Write (Burst Length = 4) ............................................................................ 30

11.11 Auto Refresh Cycle.............................................................................................................. 31

11.12 Self Refresh Cycle............................................................................................................... 32

11.13 Burst Read and Single Write (Burst Length = 4, CAS Latency = 3).................................... 33

11.14 Power Down Mode .............................................................................................................. 34

11.15 Auto-precharge Timing (Read Cycle).................................................................................. 35

11.16 Auto-precharge Timing (Write Cycle) .................................................................................. 36

11.17 Timing Chart of Read to Write Cycle................................................................................... 37

11.18 Timing Chart of Write to Read Cycle................................................................................... 37

11.19 Timing Chart of Burst Stop Cycle (Burst Stop Command) .................................................. 38

11.20 Timing Chart of Burst Stop Cycle (Precharge Command) .................................................. 38

11.21 CKE/DQM Input Timing (Write Cycle) ................................................................................. 39

11.22 CKE/DQM Input Timing (Read Cycle)................................................................................. 40

Package Specification ................................................................................................................... 41

12.1

86L TSOP (II)-400 mil.......................................................................................................... 41

REVISION HISTORY..................................................................................................................... 42

-2-

Publication Release Date: Aug. 13,2007

Revision A07

W9812G2GH-75 Related Products

	W9812G2GH-75	W9812G2GH	W9812G2GH-6I	W9812G2GH-6C	W9812G2GH-6
Description	a high-speed synchronous dynamic random access memory (SDRAM), organized as 1,048,576 words 】 4 banks 】 32 bits	a high-speed synchronous dynamic random access memory (SDRAM), organized as 1,048,576 words 】 4 banks 】 32 bits	a high-speed synchronous dynamic random access memory (SDRAM), organized as 1,048,576 words 】 4 banks 】 32 bits	a high-speed synchronous dynamic random access memory (SDRAM), organized as 1,048,576 words 】 4 banks 】 32 bits	a high-speed synchronous dynamic random access memory (SDRAM), organized as 1,048,576 words 】 4 banks 】 32 bits
Is it Rohs certified?	conform to	-	conform to	conform to	conform to
Maker	Winbond Electronics Corporation	-	Winbond Electronics Corporation	Winbond Electronics Corporation	Winbond Electronics Corporation
Parts packaging code	TSOP2	-	TSOP2	TSOP2	TSOP2
package instruction	TSOP2, TSSOP86,.46,20	-	TSOP2, TSSOP86,.46,20	TSOP2, TSSOP86,.46,20	TSOP2, TSSOP86,.46,20
Contacts	86	-	86	86	86
Reach Compliance Code	compli	-	compli	compli	compli
ECCN code	EAR99	-	EAR99	EAR99	EAR99
access mode	FOUR BANK PAGE BURST	-	FOUR BANK PAGE BURST	FOUR BANK PAGE BURST	FOUR BANK PAGE BURST
Maximum access time	5.4 ns	-	5 ns	5 ns	5 ns
Other features	AUTO/SELF REFRESH	-	AUTO/SELF REFRESH	AUTO/SELF REFRESH	AUTO/SELF REFRESH
Maximum clock frequency (fCLK)	133 MHz	-	166 MHz	166 MHz	166 MHz
I/O type	COMMON	-	COMMON	COMMON	COMMON
interleaved burst length	1,2,4,8	-	1,2,4,8	1,2,4,8	1,2,4,8
JESD-30 code	R-PDSO-G86	-	R-PDSO-G86	R-PDSO-G86	R-PDSO-G86
length	22.22 mm	-	22.22 mm	22.22 mm	22.22 mm
memory density	134217728 bi	-	134217728 bi	134217728 bi	134217728 bi
Memory IC Type	SYNCHRONOUS DRAM	-	SYNCHRONOUS DRAM	SYNCHRONOUS DRAM	SYNCHRONOUS DRAM
memory width	32	-	32	32	32
Number of functions	1	-	1	1	1
Number of ports	1	-	1	1	1
Number of terminals	86	-	86	86	86
word count	4194304 words	-	4194304 words	4194304 words	4194304 words
character code	4000000	-	4000000	4000000	4000000
Operating mode	SYNCHRONOUS	-	SYNCHRONOUS	SYNCHRONOUS	SYNCHRONOUS
Maximum operating temperature	70 °C	-	85 °C	70 °C	70 °C
organize	4MX32	-	4MX32	4MX32	4MX32
Output characteristics	3-STATE	-	3-STATE	3-STATE	3-STATE
Package body material	PLASTIC/EPOXY	-	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSOP2	-	TSOP2	TSOP2	TSOP2
Encapsulate equivalent code	TSSOP86,.46,20	-	TSSOP86,.46,20	TSSOP86,.46,20	TSSOP86,.46,20
Package shape	RECTANGULAR	-	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE	-	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE	SMALL OUTLINE, THIN PROFILE
Peak Reflow Temperature (Celsius)	NOT SPECIFIED	-	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
power supply	3.3 V	-	3.3 V	3.3 V	3.3 V
Certification status	Not Qualified	-	Not Qualified	Not Qualified	Not Qualified
refresh cycle	4096	-	4096	4096	4096
Maximum seat height	1.2 mm	-	1.2 mm	1.2 mm	1.2 mm
self refresh	YES	-	YES	YES	YES
Continuous burst length	1,2,4,8,FP	-	1,2,4,8,FP	1,2,4,8,FP	1,2,4,8,FP
Maximum standby current	0.002 A	-	0.002 A	0.002 A	0.002 A
Maximum slew rate	0.21 mA	-	0.23 mA	0.23 mA	0.23 mA
Maximum supply voltage (Vsup)	3.6 V	-	3.6 V	3.6 V	3.6 V
Minimum supply voltage (Vsup)	3 V	-	3 V	3 V	3 V
Nominal supply voltage (Vsup)	3.3 V	-	3.3 V	3.3 V	3.3 V
surface mount	YES	-	YES	YES	YES
technology	CMOS	-	CMOS	CMOS	CMOS
Temperature level	COMMERCIAL	-	INDUSTRIAL	COMMERCIAL	COMMERCIAL
Terminal form	GULL WING	-	GULL WING	GULL WING	GULL WING
Terminal pitch	0.5 mm	-	0.5 mm	0.5 mm	0.5 mm
Terminal location	DUAL	-	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	-	NOT SPECIFIED	NOT SPECIFIED	NOT SPECIFIED
width	10.16 mm	-	10.16 mm	10.16 mm	10.16 mm

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