Rev. 1.01
K4B2G0446D
K4B2G0846D
datasheet
DDR3L SDRAM
[ Table 24 ] Output Driver DC Electrical Characteristics, assuming RZQ=240ohms ;
entire operating temperature range ; after proper ZQ calibration
RONnom
Resistor
Vout
Min
Nom
Max
Units
Notes
1.35V
V
OLdc = 0.2 x VDDQ
0.6
0.9
0.9
0.9
0.9
0.6
0.6
0.9
0.9
0.9
0.9
0.6
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.15
1.15
1.45
1.45
1.15
1.15
1.15
1.15
1.45
1.45
1.15
1.15
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
V
OMdc = 0.5 x VDDQ
OHdc = 0.8 x VDDQ
OLdc = 0.2 x VDDQ
VOMdc = 0.5 x VDDQ
OHdc = 0.8 x VDDQ
OLdc = 0.2 x VDDQ
OMdc = 0.5 x VDDQ
OHdc = 0.8 x VDDQ
VOLdc = 0.2 x VDDQ
OMdc = 0.5 x VDDQ
OHdc = 0.8 x VDDQ
RON34pd
V
34Ohms
RZQ/7
V
RON34pu
RON40pd
RON40pu
V
V
V
V
40Ohms
RZQ/6
%
V
V
Mismatch between Pull-up and Pull-down,
MMpupd
V
OMdc = 0.5 x VDDQ
-10
10
1,2,4
1.5V
V
OLdc = 0.2 x VDDQ
OMdc = 0.5 x VDDQ
OHdc = 0.8 x VDDQ
OLdc = 0.2 x VDDQ
OMdc = 0.5 x VDDQ
OHdc = 0.8 x VDDQ
OLdc = 0.2 x VDDQ
OMdc = 0.5 x VDDQ
OHdc = 0.8 x VDDQ
OLdc = 0.2 x VDDQ
OMdc = 0.5 x VDDQ
OHdc = 0.8 x VDDQ
0.6
0.9
0.9
0.9
0.9
0.6
0.6
0.9
0.9
0.9
0.9
0.6
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.1
1.1
1.4
1.4
1.1
1.1
1.1
1.1
1.4
1.4
1.1
1.1
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
1,2,3
V
RON34pd
V
34Ohms
RZQ/7
V
V
RON34pu
V
V
V
RON40pd
V
40Ohms
RZQ/6
%
V
V
RON40pu
V
Mismatch between Pull-up and Pull-down,
MMpupd
VOMdc = 0.5 x VDDQ
-10
10
1,2,4
NOTE :
1. The tolerance limits are specified after calibration with stable voltage and temperature. For the behavior of the tolerance limits if temperature or voltage changes after calibra-
tion, see following section on voltage and temperature sensitivity
2. The tolerance limits are specified under the condition that V
= V and that V
= V
DDQ
DD
SSQ SS
3. Pull-down and pull-up output driver impedance are recommended to be calibrated at 0.5 X V
. Other calibration schemes may be used to achieve the linearity spec shown
DDQ
above, e.g. calibration at 0.2 X V
and 0.8 X V
DDQ
DDQ
4. Measurement definition for mismatch between pull-up and pull-down, MMpupd: Measure RONpu and RONpd. both at 0.5 X V
:
DDQ
RONpu - RONpd
x 100
MMpupd =
RONnom
- 24 -
SAMSUNG [ SAMSUNG ]
