Hynix HMT351U6BFR8C-H9N0 Manuel D’Utilisation

Page de 59
APCPCWM_4828539:WP_0000005WP_0000005
A
P
C
P
C
W
M
_4828539:
W
P
_0000005W
P
_000000
5
Rev. 1.0 / Oct. 2010
28 
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
Differential Output Slew Rate Definition
Description
Measured
Defined by
From
To
Differential output slew rate for rising edge
V
OLdiff (AC)
V
OHdiff (AC)
[V
OHdiff (AC)
-V
OLdiff (AC)
] / DeltaTRdiff
Differential output slew rate for falling edge
V
OHdiff (AC)
V
OLdiff (AC)
[V
OHdiff (AC)
-V
OLdiff (AC)
] / DeltaTFdiff
Notes:
1. Output slew rate is verified by design and characterization, and may not be subject to production test.
Differential Output Slew Rate
DDR3-800
DDR3-1066
DDR3-1333
DDR3-1600
Units
Parameter
Symbol
Min
Max
Min
Max
Min
Max
Min
Max
Differential Output Slew Rate
SRQdiff
5
10
5
10
5
10
TBD
10
V/ns
Description: SR; Slew Rate
Q: Query Output (like in DQ, which stands for Data-in, Query-Output)
se: Single-ended Signals
For Ron = RZQ/7 setting
Delta 
TFdiff
Delta 
TRdiff
vOHdiff(AC)
vOLdiff(AC)
O
Di
ff
ere
nt
ia
l Ou
tp
ut Vo
lta
ge
(i
.e. DQS
-DQS
)
Differential Output Slew Rate Definition
B48614/178.104.2.80/2010-10-18 17:08