HMT325S6CFR8C データシートの表示（PDF） - Hynix Semiconductor

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HMT325S6CFR8C

204pin DDR3 SDRAM SODIMM

Hynix Semiconductor 

Differential Output Slew Rate

With the reference load for timing measurements, output slew rate for falling and rising edges is defined

and measured between VOLdiff (AC) and VOHdiff (AC) for differential signals as shown in table and Figure

below.

Differential Output Slew Rate Definition

Description

Measured

From

To

Defined by

Differential output slew rate for rising edge

Differential output slew rate for falling edge

Notes:

VOLdiff (AC)

VOHdiff (AC)

VOHdiff (AC)

VOLdiff (AC)

[VOHdiff (AC)-VOLdiff (AC)] / DeltaTRdiff

[VOHdiff (AC)-VOLdiff (AC)] / DeltaTFdiff

1. Output slew rate is verified by design and characterization, and may not be subject to production test.

Delta

TFdiff

Delta

TRdiff

VOHdiff(AC)

O

VOLdiff(AC)

Differential Output slew Rate Definition

Differential Output Slew Rate

DDR3-800 DDR3-1066

Parameter

Symbol Min Max Min Max

Differential Output Slew Rate SRQdiff 5

10

5

10

Description: SR; Slew Rate

Q: Query Output (like in DQ, which stands for Data-in, Query-Output)

diff : Differential Signals

For Ron = RZQ/7 setting

DDR3-1333

Min Max

5

10

DDR3-1600

Min Max

5

12

Units

V/ns

Rev. 1.0/Sep. 2012

24

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