Datasheet

Table 39: DDR3L 34 Ohm Driver I
OH
/I
OL
Characteristics: V
DD
= V
DDQ
= DDR3L@1.283
MR1[5,1] R
ON
Resistor V
OUT
Max Nom Min Unit
0, 1 Ω R
ON34(PD)
I
OL
@ 0.2 × V
DDQ
12.6 7.5 6.7 mA
I
OL
@ 0.5 × V
DDQ
21.0 18.7 16.8 mA
I
OL
@ 0.8 × V
DDQ
33.6 29.9 21.2 mA
R
ON34(PU)
I
OH
@ 0.2 × V
DDQ
33.6 29.9 21.2 mA
I
OH
@ 0.5 × V
DDQ
21.0 18.7 16.8 mA
I
OH
@ 0.8 × V
DDQ
12.6 7.5 6.7 mA
DDR3L 34 Ohm Output Driver Sensitivity
If either the temperature or the voltage changes after ZQ calibration, then the tolerance
limits listed in Table 35 (page 57) can be expected to widen according to Table 40 and
Table 41.
Table 40: DDR3L 34 Ohm Output Driver Sensitivity Definition
Symbol Min Max Unit
R
ON(PD)
@ 0.2 × V
DDQ
0.6 - dR
ON
dTL × |ΔT| - dR
ON
dVL × |ΔV| 1.1 + dR
ON
dTL × |ΔT| + dR
ON
dVL × |ΔV| RZQ/7
R
ON(PD)
@ 0.5 × V
DDQ
0.9 - dR
ON
dTM × |ΔT| - dR
ON
dVM × |ΔV| 1.1 + dR
ON
dTM × |ΔT| + dR
ON
dVM × |ΔV| RZQ/7
R
ON(PD)
@ 0.8 × V
DDQ
0.9 - dR
ON
dTH × |ΔT| - dR
ON
dVH × |ΔV| 1.4 + dR
ON
dTH × |ΔT| + dR
ON
dVH × |ΔV| RZQ/7
R
ON(PU)
@ 0.2 × V
DDQ
0.9 - dR
ON
dTL × |ΔT| - dR
ON
dVL × |ΔV| 1.4 + dR
ON
dTL × |ΔT| + dR
ON
dVL × |ΔV| RZQ/7
R
ON(PU)
@ 0.5 × V
DDQ
0.9 - dR
ON
dTM × |ΔT| - dR
ON
dVM × |ΔV| 1.1 + dR
ON
dTM × |ΔT| + dR
ON
dVM × |ΔV| RZQ/7
R
ON(PU)
@ 0.8 × V
DDQ
0.6 - dR
ON
dTH × |ΔT| - dR
ON
dVH × |ΔV| 1.1 + dR
ON
dTH × |ΔT| + dR
ON
dVH × |ΔV| RZQ/7
Note:
1. ΔT = T - T
(@CALIBRATION)
ΔV = V
DDQ
- V
DDQ(@CALIBRATION)
; and V
DD
= V
DDQ
.
Table 41: DDR3L 34 Ohm Output Driver Voltage and Temperature Sensitivity
Change Min Max Unit
dR
ON
dTM 0 1.5 %/°C
dR
ON
dVM 0 0.13 %/mV
dR
ON
dTL 0 1.5 %/°C
dR
ON
dVL 0 0.13 %/mV
dR
ON
dTH 0 1.5 %/°C
dR
ON
dVH 0 0.13 %/mV
8Gb: x4, x8, x16 DDR3L SDRAM
Output Driver Impedance
59
Rev 2.0 June 2016
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