HMT164U6AFP6C-S6 Datasheet, PDF (27/57 Pages) Hynix Semiconductor – 240pin DDR3 SDRAM Unbuffered DIMMs

HMT164U6AFP(R)6C
HMT112U6(7)AFP(R)8C
HMT125U6(7)AFP(R)8C
Parameter
Symbol
Single-ended Output Slew Rate SRQse
DDR3-800
Min Max
2.5 5
DDR3-1066
Min Max
2.5 5
DDR3-1333
Min Max
2.5 5
*** Description:
SR: Slew Rate
Q: Query Output (like in DQ, which stands for Data-in, Query-Output)
For Ron = RZQ/7 setting
DDR3-1600
Min Max
TBD 5
Units
V/ns
< Table 6.4.3: Output Slew Rate (single-ended) >
6.4.4 Differential Output Slew Rate
With the reference load for timing measurements, output slew rate for falling and rising edges is defined and mea-
sured between VOLdiff(AC) and VOHdiff(AC) for differential signals as shown in below Table and Figure 6.4.4
Description
Differential output slew rate for rising edge
Measured
From
To
VOLdiff(AC) VOHdiff(AC)
Differential output slew rate for falling edge VOHdiff(AC) VOLdiff(AC)
Defined by
VOHdiff(AC)-VOLdiff(AC)
DeltaTRdiff
VOHdiff(AC)-VOLdiff(AC)
DeltaTFdiff
Note: Output slew rate is verified by design and characterization, and may not be subject to production test.
D elta
T F d iff
D elta
T R d iff
vO H diff(AC)
O
vO Ldiff(AC)
< Figure 6.4.4: Differential Output Slew Rate Definition >
Rev. 0.1 / Dec 2008
27