k4b2g0846b Samsung Semiconductor, Inc., k4b2g0846b Datasheet - Page 24

• Manufacturer Part Number: k4b2g0846b
• Description: 2gb B-die Ddr3 Sdram Specification
• Manufacturer: Samsung Semiconductor, Inc.

K4B2G04(08/16)46B
9.8.1 ODT DC electrical characteristics
Table 26 provides and overview of the ODT DC electrical characteristics. They values for RTT
RTT
[ Table 25 ] ODT DC Electrical characteristics, assuming RZQ=240 ohm +/- 1% entire operating temperature range; after proper ZQ calibration.
Deviation of V
MR1 (A9,A6,A2)
40pu80,
(0,1,0)
(0,0,1)
(0,1,1)
(1,0,1)
(1,0,0)
RTT
30pd60,
M
w.r.t V
RTT
DDQ
30pu60,
120 ohm
60 ohm
40 ohm
30 ohm
20 ohm
/2, ∆VM
RTT
RTT
20pd40,
RTT
RTT
RTT
RESISTOR
RTT
RTT
RTT
RTT
RTT
RTT
RTT
RTT
RTT
RTT
RTT
RTT
RTT
20pu40
120pd240
120pu240
60pd240
60pu240
40pd240
40pu240
60pd240
60pu240
60pd240
60pu240
120
60
40
60
60
are not specification requirements, but can be used as design guide lines:
Page 24 of 61
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
OH
OH
OH
OH
OH
OH
OH
OH
OH
OH
OL
OL
OL
OL
OL
OL
OL
OL
OL
OL
IL
IL
IL
IL
IL
(AC) to V
(AC) to V
(AC) to V
(AC) to V
(AC) to V
(DC) 0.2XV
(DC) 0.2XV
(DC) 0.2XV
(DC) 0.2XV
(DC) 0.2XV
(DC) 0.2XV
(DC) 0.2XV
(DC) 0.2XV
(DC) 0.2XV
(DC) 0.2XV
(DC) 0.8XV
(DC) 0.8XV
(DC) 0.8XV
(DC) 0.8XV
(DC) 0.8XV
(DC) 0.8XV
(DC) 0.8XV
(DC) 0.8XV
(DC) 0.8XV
(DC) 0.8XV
0.5XV
0.5XV
0.5XV
0.5XV
0.5XV
0.5XV
0.5XV
0.5XV
0.5XV
0.5XV
Vout
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
IH
IH
IH
IH
IH
(AC)
(AC)
(AC)
(AC)
(AC)
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
DDQ
60pd120,
Min
0.6
0.9
0.9
0.9
0.9
0.6
0.9
0.6
0.9
0.9
0.9
0.9
0.6
0.9
0.6
0.9
0.9
0.9
0.9
0.6
0.9
0.6
0.9
0.9
0.9
0.9
0.6
0.9
0.6
0.9
0.9
0.9
0.9
0.6
0.9
-5
RTT
60pu120,
Nom
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
2Gb DDR3 SDRAM
Rev. 1.0 December 2008
RTT
120pd240,
Max
1.1
1.1
1.4
1.4
1.1
1.1
1.6
1.1
1.1
1.4
1.4
1.1
1.1
1.6
1.1
1.1
1.4
1.4
1.1
1.1
1.6
1.1
1.1
1.4
1.4
1.1
1.1
1.6
1.1
1.1
1.4
1.4
1.1
1.1
1.6
5
RTT
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
Unit
R
R
R
R
R
R
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
%
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
120pu240,
/12
/2
/2
/2
/2
/2
/2
/2
/4
/3
/3
/3
/3
/3
/3
/6
/4
/4
/4
/4
/4
/4
/8
/6
/6
/6
/6
/6
/6
RTT
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,3,4
1,2,5,6
Notes
1,2,5
1,2,5
1,2,5
1,2,5
1,2,5
40pd80,