Filter
Top Products
- 13 -
datasheet DDR3L SDRAM
Rev. 1.0
Unbuffered DIMM
[ Table 3 ] Single Ended AC and DC input levels for DQ and DM
NOTE :
1. For input only pins except RESET
, V
REF
= V
REFDQ
(DC)
2. See ’Overshoot/Undershoot Specification’ on page 18.
3. The AC peak noise on V
REF
may not allow V
REF
to deviate from V
REF
(DC) by more than ± 1% V
DD
(for reference : approx. ± 15mV)
4. For reference : approx. V
DD
/2 ± 15mV
5. V
IH
(dc) is used as a simplified symbol for V
IH.CA
(
a)
1.35V : DC90,
b)
1.5V : DC100)
6. V
IL
(dc) is used as a simplified symbol for V
IL.CA
(
a)
1.35V : DC90,
b)
1.5V : DC100)
7. V
IH
(ac) is used as a simplified symbol for V
IH.DQ
(AC175), V
IH.DQ
(AC150) ; V
IH.DQ
(AC175) value is used when V
REF
+ 175mV is referenced, V
IH.DQ
(AC150) value is used
when V
REF
+ 150mV is referenced.
8. V
IL
(ac) is used as a simplified symbol for V
IL.DQ
(AC175), V
IL.DQ
(AC150) ; V
IL.DQ
(AC175) value is used when V
REF
- 175mV is referenced, V
IL.DQ
(AC150) value is used when
V
REF
- 150mV is referenced.
Symbol Parameter
DDR3-800/1066 DDR3-1333/1600
Unit NOTE
Min. Max. Min. Max.
1.35V
V
IH.DQ
(DC90)
DC input logic high
V
REF
+ 90 V
DD
V
REF
+ 90 V
DD
mV
1,5
a)
V
IL.DQ
(DC90)
DC input logic low
V
SS
V
REF
- 90 V
SS
V
REF
- 90
mV
1,6
a)
V
IH.DQ
(AC160)
AC input logic high
V
REF
+ 160
Note 2 - - mV 1,2
V
IL.DQ
(AC160)
AC input logic low Note 2
V
REF
- 160
--mV1,2
V
IH.DQ
(AC135)
AC input logic high
V
REF
+ 135
Note 2
V
REF
+ 135
Note 2 mV 1,2
V
IL.DQ
(AC135)
AC input logic low Note 2
V
REF
- 135
Note 2
V
REF
- 135
mV 1,2
V
REF
DQ
(DC)
Reference Voltage for DQ,
DM inputs
0.49*V
DD
0.51*V
DD
0.49*V
DD
0.51*V
DD
V3,4
1.5V
V
IH.DQ
(DC100)
DC input logic high
V
REF
+ 100 V
DD
V
REF
+ 100 V
DD
mV
1,5
b)
V
IL.DQ
(DC100)
DC input logic low
V
SS
V
REF
- 100 V
SS
V
REF
- 100
mV
1,6
b)
V
IH.DQ
(AC175)
AC input logic high
V
REF
+ 175
NOTE 2 - - mV 1,2,7
V
IL.DQ
(AC175)
AC input logic low NOTE 2
V
REF
- 175
--mV1,2,8
V
IH.DQ
(AC150)
AC input logic high
V
REF
+ 150
NOTE 2
V
REF
+ 150
NOTE 2 mV 1,2,7
V
IL.DQ
(AC150)
AC input logic low NOTE 2
V
REF
- 150
NOTE 2
V
REF
- 150
mV 1,2,8
V
REF
DQ
(DC)
Reference Voltage for DQ,
DM inputs
0.49*V
DD
0.51*V
DD
0.49*V
DD
0.51*V
DD
V3,4