H5GQ2H24AFR-R0C datasheet(97/172 Pages) HYNIX

tên linh kiện	H5GQ2H24AFR-R0C

Giải thích chi tiết về linh kiện	2Gb (64Mx32) GDDR5 SGRAM

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This document is a general product description and is subject to change without notice. Hynix Semiconductor does not assume any

responsability for use of circuits described. No patent licenses are implied.

Rev. 1.2 /Nov. 2011

H5GQ2H24AFR

Figure 62. READ to PRECHARGE

DBI

n+7

Bank a,

Col n

CK#

DBI#

CL = CLmrs = 6

WCK#

WCK

T7n

T6n

tRTP

Bank a,

or all

DONʹT CARE

TRANSITIONING DATA

tRP

2. WCK and CK are shown aligned (tWCK2CKPIN=0, tWCK2CK=0) for illustration purposes. WCK2CK training determines the needed offset between WCK and CK.

4. tRTP = tRTPL when bank groups are enabled and the PRECHARGE command accesses the same bank; otherwise tRTP = tRTPS.

5. Before the READ commands, an ACTIVE (ACT) command is required to be issued to the GDDR5 SGRAM and tRCDRD must be met.

1. CLmrs = 6 is shown as an example. Actual supported values will be found in the MR and AC timings sections.

3. EDC may be on or off. See Figure 58 for EDC Timing.

Notes:

6. tWCK2DQO = 0 is shown for illustration purposes.

NOP

READ

PRE

NOP

ADDRESS

COMMAND

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