W971GG6JB-25 Winbond Electronics, W971GG6JB-25 Datasheet - Page 2

• Manufacturer Part Number: W971GG6JB-25
• Description: IC DDR2-800 SDRAM 1GB 84-WBGA
• Manufacturer: Winbond Electronics

Specifications of W971GG6JB-25

• Format - Memory: RAM
• Memory Type: DDR2 SDRAM
• Memory Size: 1G (64M x 16)
• Speed: 2.5ns
• Interface: Parallel
• Voltage - Supply: 1.7 V ~ 1.9 V
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 84-WBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: Q5804012

8.
9.
10.
7.6
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
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
Precharge operation ............................................................................................................................ 27
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 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 -25/25L/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: Mar. 28, 2011
W971GG6JB
Revision A07