W9751G6KB WINBOND [Winbond], W9751G6KB Datasheet - Page 2

• Manufacturer Part Number: W9751G6KB
• Description: 8M ? 4 BANKS ? 16 BIT DDR2 SDRAM
• Manufacturer: WINBOND [Winbond]

8.
9.
10.
7.7
7.8
7.9
7.10
8.1
8.2
8.3
8.4
8.5
9.1
9.2
9.3
9.4
9.5
9.6
9.7
9.8
9.9
9.10
9.11
9.12
9.13
9.14
10.1
10.2
10.3
10.4
10.5
10.6
10.7
10.8
10.9
10.10
10.11
10.12
7.6.1
7.6.2
7.7.1
7.7.2
7.9.1
7.9.2
9.11.1
9.11.2
9.14.1
9.14.2
Auto-precharge operation ................................................................................................................... 27
Refresh Operation ............................................................................................................................... 29
Power Down Mode .............................................................................................................................. 29
Input clock frequency change during precharge power down ............................................................. 30
OPERATION MODE ........................................................................................................................... 31
Command Truth Table ........................................................................................................................ 31
Clock Enable (CKE) Truth Table for Synchronous Transitions ........................................................... 32
Data Mask (DM) Truth Table ............................................................................................................... 32
Function Truth Table ........................................................................................................................... 33
Simplified Stated Diagram ................................................................................................................... 36
ELECTRICAL CHARACTERISTICS ................................................................................................... 37
Absolute Maximum Ratings ................................................................................................................ 37
Operating Temperature Condition ....................................................................................................... 37
Recommended DC Operating Conditions ........................................................................................... 37
ODT DC Electrical Characteristics ...................................................................................................... 38
Input DC Logic Level ........................................................................................................................... 38
Input AC Logic Level ........................................................................................................................... 38
Capacitance ........................................................................................................................................ 39
Leakage and Output Buffer Characteristics ........................................................................................ 39
DC Characteristics .............................................................................................................................. 40
IDD Measurement Test Parameters .................................................................................................... 42
AC Characteristics .............................................................................................................................. 43
AC Input Test Conditions .................................................................................................................... 66
Differential Input/Output AC Logic Levels ........................................................................................... 66
AC Overshoot / Undershoot Specification ........................................................................................... 67
TIMING WAVEFORMS ....................................................................................................................... 68
Command Input Timing ....................................................................................................................... 68
ODT Timing for Active/Standby Mode ................................................................................................. 69
ODT Timing for Power Down Mode .................................................................................................... 69
ODT Timing mode switch at entering power down mode .................................................................... 70
ODT Timing mode switch at exiting power down mode ...................................................................... 71
Data output (read) timing .................................................................................................................... 72
Burst read operation: RL=5 (AL=2, CL=3, BL=4) ................................................................................ 72
Data input (write) timing ...................................................................................................................... 73
Burst write operation: RL=5 (AL=2, CL=3, WL=4, BL=4) .................................................................... 73
Seamless burst read operation: RL = 5 ( AL = 2, and CL = 3, BL = 4) ...................................... 74
Seamless burst write operation: RL = 5 ( WL = 4, BL = 4) ......................................................... 74
Burst read interrupt timing: RL =3 (CL=3, AL=0, BL=8) ............................................................. 75
Burst read operation followed by precharge ..................................................................... 27
Burst write operation followed by precharge .................................................................... 27
Burst read with Auto-precharge ....................................................................................... 28
Burst write with Auto-precharge ....................................................................................... 28
Power Down Entry ........................................................................................................... 30
Power Down Exit .............................................................................................................. 30
AC Characteristics and Operating Condition for -18 speed grade ................................... 43
AC Characteristics and Operating Condition for -25/25I/-3 speed grade ......................... 45
AC Overshoot / Undershoot Specification for Address and Control Pins: ........................ 67
AC Overshoot / Undershoot Specification for Clock, Data, Strobe and Mask pins: .......... 67
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Publication Release Date: Dec. 09, 2011
W9751G6KB
Revision A01