k4b2g0446e Samsung Semiconductor, Inc., k4b2g0446e Datasheet - Page 23

• Manufacturer Part Number: k4b2g0446e
• Description: Ddp 2gb E-die Ddr3 Sdram
• Manufacturer: Samsung Semiconductor, Inc.

K4B2G0446E
K4B2G0846E
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 operationg temperature range ;
Deviation of V
MR1 (A9,A6,A2)
40pu80,
(0,1,0)
(0,0,1)
(0,1,1)
(1,0,1)
(1,0,0)
RTT
after proper ZQ calibration.
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 23 of 59
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
DDP 2Gb DDR3 SDRAM
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
RTT
120pd240,
Max
Rev. 1.0 March 2009
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
%
120pu240,
ZQ
ZQ
ZQ
ZQ
ZQ
ZQ
/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,