MT8808/AP Winbond, MT8808/AP Datasheet
MT8808/AP
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MT8808/AP Summary of contents
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Table of Contents- 1. GENERAL DESCRIPTION ..................................................................................................................3 2. FEATURES ..........................................................................................................................................3 3. AVAILABLE PART NUMBER...............................................................................................................3 4. PIN CONFIGURATION........................................................................................................................4 5. PIN DESCRIPTION..............................................................................................................................5 6. BLOCK DIAGRAM ...............................................................................................................................6 7. FUNCTIONAL DESCRIPTION ............................................................................................................7 Power Up and Initialization................................................................................................................7 Programming Mode Register............................................................................................................7 Bank Activate Command ..................................................................................................................7 Read ...
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AC CHARACTERISTICS .................................................................................................................16 15. TIMING WAVEFORMS....................................................................................................................19 Command Input Timing ..................................................................................................................19 .................................................................................................................20 Timing Waveforms, continued Read Timing ...................................................................................................................................20 .................................................................................................................21 Timing Waveforms, continued Control Timing of Input Data...........................................................................................................21 .................................................................................................................22 Timing Waveforms, continued Control Timing of Output Data ........................................................................................................22 .................................................................................................................23 Timing Waveforms, ...
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GENERAL DESCRIPTION W986432DH is a high-speed synchronous dynamic random access memory (SDRAM), organized as 512K words x 4 banks x 32 bits. Using pipelined architecture and 0.175 m process technology, W986432DH delivers a data bandwidth 800M ...
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PIN CONFIGURATION VCC DQ0 V CC DQ1 DQ2 V DQ3 DQ4 V CC DQ5 DQ6 VSSQ DQ7 VCC DQM0 CAS RAS A10/AP DQM2 DQ16 V DQ17 DQ18 V CC DQ19 DQ20 V DQ21 DQ22 V CC DQ23 1 2 ...
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PIN DESCRIPTION PIN NUMBER 24, 25, 26, 27, 60, 61, 62, 63, 64, 65 10, 11, 13, 31, 33, 34, 36, 37, 39, 40, 42, 45, 47, 48, 50, 51, 53, ...
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BLOCK DIAGRAM CLK CLOCK BUFFER CKE CONTROL CS SIGNAL GENERATOR RAS COMMAND CAS DECODER WE A10 MODE A0 REGISTER ADDRESS A9 BUFFER BS0 BS1 COLUMN REFRESH COUNTER COUNTER COLUMN DECODER CELL ARRAY BANK #0 SENSE AMPLIFIER DATA CONTROL CIRCUIT ...
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FUNCTIONAL DESCRIPTION Power Up and Initialization The default power up state of the mode register is unspecified. The following power up and initialization sequence need to be followed to guarantee the device being preconditioned to each user specific needs. ...
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Burst Read Command The Burst Read command is initiated by applying logic low level to RAS and WE high at the rising edge of the clock. The address inputs determine the starting column address for the burst. the burst length ...
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Addressing Sequence of Sequential Mode A column access is performed by increasing the address from the column address which is input to the device. The disturb address is varied by the Burst Length as shown in Table 1. Table 1. ...
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Auto-precharge Command If A10 is set to high when the Read or Write Command is issued, then the auto-precharge function is entered. During auto-precharge, a Read Command will execute as normal with the exception that the active bank will begin ...
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The Power Down mode is exited by bringing CKE high. When CKE goes high Operation Command is required on the next rising clock edge, depending on t enabled with CKE held high for a period equal to t ...
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TABLE OF OPERATING MODES Fully synchronous operations are performed to latch the commands at the positive edges of CLK. Table 3 shows the truth table for the operation commands. DEVICE COMMAND STATE Bank Active Idle Bank Precharge Any Precharge ...
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SIMPLIFIED STATE DIAGRAM Mode Register Set Write CKE WRITE SUSPEND CKE CKE WRITEA SUSPEND CKE POWER ON MRS = Mode Register Set REF = Refresh ACT = Active PRE = Precharge WRITEA = Write with Auto precharge READA = ...
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DC CHARACTERISTICS Absolute Maximum Rating PARAMETER Input, Column Output Voltage Power Supply Voltage Operating Temperature (-5/-6/-7/-7L) Operating Temperature(6I) Storage Temperature Soldering Temperature (10s) Power Dissipation Short Circuit Output Current Note: Exposure to conditions beyond those listed under Absolute Maximum ...
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DC CHARACTERISTICS (V = 3.3V 0.3V 0° 70°C for -5/-6/-7/-7L PARAMETER Operating Current t = min min Active precharge command cycling without burst operation Standby Current t = min ...
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AC CHARACTERISTICS (V = 3.3V 0.3V 0V for -5/-6/-7/-7L PARAMETER Ref/Active to Ref/Active Command Period Active to precharge Command Period Active to Read/Write Command Delay Time Read/Write(a) to ...
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Power up Sequence (1) Power up must be performed in the following sequence. (2) Power must be applied to V and V CC signals must be started at the same time. (3) After power-up a pause of at least ...
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A.C Latency Characteristics CKE to clock disable (CKE Latency) DQM to output to HI-Z (Read DQM Latency) DQM to output to HI-Z (Write DQM Latency) Write command to input data (Write Data Latency Command input ( CS ...
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TIMING WAVEFORMS Command Input Timing V IH CLK RAS CAS WE A0-A10 BS0 CKS CKH CKE t t CMS CMH t t CMS CMH t t CMS CMH t t CMS CMH t ...
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Timing Waveforms, continued Read Timing CLK CS RAS CAS WE A0-A10 BS0 Read Command Read CAS Latency Valid Data-Out - 20 - W986432DH Valid Data-Out Burst ...
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Timing Waveforms, continued Control Timing of Input Data (Word Mask) CLK t CMH DQM0 DQM1 Valid DQ0 -DQ7 Data- Valid DQ8-DQ15 Data- Valid DQ16 -DQ23 Data- ...
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Timing Waveforms, continued Control Timing of Output Data (Output Enable) CLK t CMH DQM0 DQM1 DQ0 -DQ7 DQ8 -DQ15 DQ16 -DQ23 DQ24 -DQ31 (Clock ...
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Timing Waveforms, continued Mode Register Set Cycle CLK t t CMS CMH CMS CMH RAS t t CMS CMH CAS t t CMS CMH A0-A10 Register set data BS0 Burst ...
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OPERATING TIMING EXAMPLE Interleaved Bank Read (Burst Length = 4, CAS Latency = CLK CS RAS t RAS CAS WE BS0 BS1 t RCD A10 RAa A0-A9 RAa CAw DQM CKE t AC ...
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Operating Timing Example, continued Interleaved Bank Read (Burst Length = 4, CAS Latency = 3, Autoprecharge CLK CS RAS t RAS CAS WE BS0 BS1 t RCD A10 RAa RBb A0-A9 RAa CAw RBb DQM CKE ...
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Operating Timing Example, continued Interleaved Bank Read (Burst Length = 8, CAS Latency = CLK CS RAS CAS WE BS0 BS1 t RCD A10 RAa A0-A9 RAa CAx DQM CKE DQ t RRD Read ...
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Operating Timing Example, continued Interleaved Bank Read (Burst Length = 8, CAS Latency = 3, Autoprecharge CLK CS RAS CAS WE BS0 BS1 t RCD A10 RAa A0-A9 CAx RAa DQM CKE ...
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Operating Timing Example, continued Interleaved Bank Write (Burst Length = CLK CS RAS CAS t RCD WE BS0 BS1 A10 RAa A0-A9 CAx RAa DQM CKE DQ ax0 ax1 t RRD Active Write Bank ...
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Operating Timing Example, continued Interleaved Bank Write (Burst Length = 8, Autoprecharge CLK CS RAS CAS WE BS0 BS1 t RCD A10 RAa CAx A0-A9 RAa DQM CKE DQ ax0 ax1 t RRD Active ...
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Operating Timing Example, continued Page Mode Read (Burst Length = 4, CAS Latency = CLK CS RAS CAS WE BS0 BS1 t t RCD RAa RBb A10 A0-A9 RAa RBb CAI DQM CKE ...
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Operating Timing Example, continued Page Mode Read/Write (Burst Length = 8, CAS Latency = CLK CS RAS CAS WE BS0 BS1 t RCD A10 RAa A0-A9 RAa CAx DQM CKE Bank ...
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Operating Timing Example, continued Autoprecharge Read (Burst Length = 4, CAS Latency = CLK CS RAS t RAS CAS WE BS0 BS1 t RCD A10 RAa A0-A9 RAa CAw DQM CKE t AC ...
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Operating Timing Example, continued Autoprecharge Write (Burst Length = CLK CS RAS t RAS CAS WE BS0 BS1 t RCD A10 RAa A0-A9 RAa CAw DQM CKE aw0 aw1 DQ Active Bank #0 ...
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Operating Timing Example, continued Autorefresh Cycle CLK RAS CAS WE BS0,1 A10 A0-A9 DQM CKE DQ All Banks Auto Prechage Refresh (CLK = 100 MHz ...
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Operating Timing Example, continued Self-refresh Cycle CLK RAS CAS WE BS0,1 A10 A0-A9 DQM t SB CKE t CKS DQ All Banks Self Refresh Precharge Entry (CLK = 100 MHz) 6 ...
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Operating Timing Example, continued Bust Read and Single Write (Burst Length = 4, CAS Latency = CLK CS RAS CAS t RCD WE BS0 BS1 A10 RBa A0-A9 RBa CBv DQM CKE DQ Read ...
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Operating Timing Example, continued Power-down Mode CLK CS RAS CAS WE BS A10 RAa A0-A9 RAa DQM t SB CKE t t CKS CKS DQ Active NOP Active Standby Power Down mode Note: The ...
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Operating Timing Example, continued Auto-precharge Timing (Write Cycle (1) CAS Latency = burst length = 1 Write AP Command burst length = 2 Write Command t WR ...
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Operating Timing Example, continued Auto-precharge Timing (Read Cycle (1) CAS Latency burst length = 1 Command Read burst length = 2 Read Command burst length = ...
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Operating Timing Example, continued Timing Chart of Read to Write Cycle In the case of Burst Length = 4 0 (1) CAS Latency Command DQM Command DQM DQ (2) CAS Latency ...
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Operating Timing Example, continued Timing Chart of Write to Read Cycle In the case of Burst Length = (1) CAS Latency = 2 Write ( a ) Command DQM Command Write DQM ...
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Operating Timing Example, continued Timing Chart of Burst Stop Cycle (Burst Stop Command (3) Read cycle ( a ) CAS latency =2 Read Command CAS latency = 3 Read Command DQ (2) Write cycle ...
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Operating Timing Example, continued Timing Chart of Burst Stop Cycle (Precharge Command) In the case of Burst Lenght = 8 0 (1) Read cycle ( a )CAS latency =2 Read Commad )CAS latency = 3 Read Commad ...
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Operating Timing Example, continued CKE/DQM Input Timing (Write Cycle) 1 CLK cycle No. External CLK Internal CKE DQM CLK cycle No. External CLK Internal CKE DQM CLK cycle No. External CLK Internal CKE DQM ...
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Operating Timing Example, continued CKE/DQM Input Timing (Read Cycle) 1 CLK cycle No. External CLK Internal CKE DQM CLK cycle No. External CLK Internal CKE DQM CLK cycle No. External CLK Internal CKE DQM ...
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Operating Timing Example, continued Self Refresh/Power Down Mode Exit Timing Asynchronous Control Input Buffer turn on time (Power down mode exit time) is specified < t (min CKS CLK CKE NOP Command ...
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PACKAGE DIMENSION 86L TSOP (II)-400 mil Controlling Dimension: Millimeters SYM SEATING PLANE DIMENSION DIMENSION (MM) (INCH) ...
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... Yokohama, 222-0033 TEL: 81-45-4781881 FAX: 81-45-4781800 - 48 - W986432DH DESCRIPTION number Winbond Electronics (Shanghai) Ltd. 27F, 2299 Yan An W. Rd. Shanghai, 200336 China TEL: 86-21-62365999 FAX: 86-21-62365998 Winbond Electronics (H.K.) Ltd. Unit 9-15, 22F, Millennium City, No. 378 Kwun Tong Rd., Kowloon, Hong Kong TEL: 852-27513100 FAX: 852-27552064 ...