M378B2873GB0 SAMSUNG [Samsung semiconductor], M378B2873GB0 Datasheet - Page 15

• Manufacturer Part Number: M378B2873GB0
• Description: 240pin Unbuffered DIMM based on 1Gb G-die
• Manufacturer: SAMSUNG [Samsung semiconductor]

Unbuffered DIMM
12. AC & DC Input Measurement Levels
12.1 AC & DC Logic Input Levels for Single-ended Signals
[ Table 2 ] Single-ended AC & DC input levels for Command and Address
NOTE :
1. For input only pins except RESET, V
2. See ’Overshoot/Undershoot Specification’ on page 18.
3. The AC peak noise on V
4. For reference : approx. V
5. V
6. V
7. V
8. V
[ Table 3 ] Single-ended AC & DC input levels for DQ and DM
NOTE :
1. For input only pins except RESET, V
2. See ’Overshoot/Undershoot Specification’ on page 18.
3. The AC peak noise on V
4. For reference : approx. V
5. V
6. V
7. V
8. V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
, V
VREF + 125mV is referenced.
enced, V
when V
V
IH.DQ
IH.DQ
IH.DQ
IH.DQ
V
V
IL.DQ
IL.DQ
IL.DQ
IL.DQ
IH.CA
IH.CA
IH.CA
IH.CA
IH.CA
IL.CA
IL.CA
IL.CA
IL.CA
IL.CA
V
IH
IL
IH
IH
IL
IL
IL
REF
REF
IH
REFCA
Symbol
IH.DQ
Symbol
(dc) is used as a simplified symbol for V
IH.CA
(dc) is used as a simplified symbol for V
(ac) is used as a simplified symbol for V
(ac) is used as a simplified symbol for V
(dc) is used as a simplified symbol for V
(ac) is used as a simplified symbol for V
(dc) is used as a simplified symbol for V
(ac) is used as a simplified symbol for V
DQ
(DC100) DC input logic high
(DC100) DC input logic low
(AC175) AC input logic low
(AC150) AC input logic low
(AC135) AC input logic low
- 150mV is referenced.
(DC100) DC input logic low
(AC175) AC input logic high
(AC150) AC input logic high
(AC135) AC input logic high
(DC100) DC input logic high
(AC175) AC input logic low
(AC150) AC input logic low
(AC135) AC input logic low
(AC125) AC input logic low
(AC175) AC input logic high
(AC150) AC input logic high
(AC135) AC input logic high
(AC125) AC input logic high
REF
(AC150) value is used when V
(AC150) value is used when VREF + 150mV is referenced, V
(DC)
(DC)
IL.CA
- 125mV is referenced.
(AC150) value is used when V
Reference Voltage for DQ,
DM inputs
Reference Voltage for ADD,
CMD inputs
REF
REF
DD
DD
Parameter
/2 ± 15mV
/2 ± 15mV
Parameter
may not allow V
may not allow V
REF
REF
REF
= V
= V
+ 150mV is referenced.
IH.CA
IL.DQ
IL.CA
IL.DQ
IH.CA
IH.DQ
IL.CA
REFCA
REFDQ
REF
REF
REF
(DC100)
(AC175), V
(AC175), V
(DC100)
(DC100)
(DC100)
IH.DQ
(AC175) and V
to deviate from V
to deviate from V
- 150mV is referenced, V
(DC)
(DC)
V
V
V
(AC175), V
0.49*V
REF
REF
REF
NOTE 2
NOTE 2
Min.
V
V
V
IH.CA
DDR3-800/1066
IL.DQ
SS
-
-
V
+ 100
+ 175
+ 150
0.49*V
REF
REF
REF
Note 2
Note 2
DDR3-800/1066/1333/1600
DD
Min.
V
(AC150) ; V
(AC150), V
IL.CA
datasheet
SS
-
-
-
-
IH.DQ
+ 100
+ 175
+150
REF
REF
DD
(AC150), V
IH.CA
(DC) by more than ± 1% V
(DC) by more than ± 1% V
(AC150) and V
V
V
V
0.51*V
NOTE 2
NOTE 2
REF
REF
REF
(AC135) value is used when VREF + 135mV is referenced and V
Max.
V
IH.CA
IL.DQ
IL.CA
DD
-
-
- 100
- 175
- 150
DD
(AC135) and V
IL.CA
(AC175) value is used when V
(AC135) value is used when V
(AC135) and V
V
V
- 15 -
V
0.51*V
REF
REF
IH.DQ
Note 2
Note 2
REF
V
V
Max.
V
0.49*V
REF
REF
NOTE 2
DD
-
-
-
-
- 100
- 175
-150
(AC135) ; V
Min.
V
DDR3-1333/1600
DD
SS
-
-
-
-
+ 100
+ 150
IH.CA
DD
DD
DD
(AC125); V
IL.CA
(for reference : approx. ± 15mV)
(for reference : approx. ± 15mV)
(AC125); V
IH.DQ
V
V
0.51*V
REF
NOTE 2
REF
Max.
V
V
V
(AC175) value is used when V
V
0.49*V
REF
IH.CA
DD
REF
REF
-
-
-
-
REF
REF
- 100
- 150
Note 2
Note 2
Min.
V
DD
- 175mV is referenced, V
SS
-
-
-
-
IL.CA
(AC175) value is used when V
+ 100
+ 135
+125
- 135mV is referenced and V
DD
(AC175) value is used when V
DDR3-1866
V
V
0.49*V
REF
REF
NOTE 2
Min.
V
SS
-
-
-
-
+ 100
+ 135
DDR3-1866
DD
V
V
V
0.51*V
REF
REF
Note 2
Note 2
REF
Max.
DDR3 SDRAM
V
IH.CA
IL.DQ
V
V
DD
-
-
-
-
0.51*V
NOTE 2
- 100
- 135
-125
REF
REF
REF
Max.
DD
V
(AC125) value is used when
(AC150) value is used when
DD
IL.CA
-
-
-
-
REF
- 100
- 135
+ 175mV is referenced,
DD
+ 175mV is referenced
(AC125) value is used
REF
- 175mV is refer-
Unit
mV
mV
mV
mV
mV
mV
mV
mV
mV
mV
Unit
V
mV
mV
mV
mV
mV
mV
mV
mV
V
Rev. 1.2
NOTE
1,2,7
1,2,8
1,2,7
1,2,8
1,2,7
1,2,8
1,2,7
1,2,8
NOTE
1,2,7
1,2,8
1,2,7
1,2,8
1,2,7
1,2,8
1,5
1,6
3,4
1,5
1,6
3,4