參數(shù)資料
型號(hào): M393B5773CH0-CK0
元件分類: DRAM
英文描述: 256M X 72 MULTI DEVICE DRAM MODULE, 0.225 ns, DMA240
封裝: HALOGEN FREE AND ROHS COMPLIANT, DIMM-240
文件頁數(shù): 16/58頁
文件大?。?/td> 1982K
代理商: M393B5773CH0-CK0
- 17 -
datasheet
DDR3 SDRAM
Rev. 1.0
Registered DIMM
13. AC & DC Input Measurement Levels
13.1 AC & DC Logic Input Levels for Single-ended Signals
[ Table 2 ] Single Ended AC and DC input levels for Command and Address
NOTE :
1. For input only pins except RESET, VREF = VREFCA(DC)
2. See "Overshoot and Undershoot specifications" section.
3. The AC peak noise on VREF may not allow VREF to deviate from VREF(DC) by more than ± 1% VDD (for reference : approx. ± 15mV)
4. For reference : approx. VDD/2 ± 15mV
[ Table 3 ] Single Ended AC and DC input levels for DQ and DM
NOTE :
1. For input only pins except RESET, VREF = VREFDQ(DC)
2. See "Overshoot and Undershoot specifications" section.
3. The AC peak noise on VREF may not allow VREF to deviate from VREF(DC) by more than ± 1% VDD (for reference : approx. ± 15mV)
4. For reference : approx. VDD/2 ± 15mV
5. Single ended swing requirement for DQS - DQS is 350mV (peak to peak). Differential swing requirement for DQS - DQS is 700mV (peak to peak).
Symbol
Parameter
DDR3-800/1066
DDR3-1333/1600
Unit
NOTE
Min.
Max.
Min.
Max.
VIH.CA(DC)
DC input logic high
VREF + 100
VDD
VREF + 100
VDD
mV
1
VIL.CA(DC)
DC input logic low
VSS
VREF - 100
VSS
VREF - 100
mV
1
VIH.CA(AC)
AC input logic high
VREF + 175
-
VREF + 175
-mV
1,2
VIL.CA(AC)
AC input logic low
-
VREF - 175
-
VREF - 175
mV
1,2
VIH.CA(AC150) AC input logic high
VREF+150
-
VREF+150
-mV
1,2
VIL.CA(AC150) AC input logic low
-
VREF-150
-
VREF-150
mV
1,2
VREFCA(DC)
Reference Voltage for ADD,
CMD inputs
0.49*VDD
0.51*VDD
0.49*VDD
0.51*VDD
V3,4
Symbol
Parameter
DDR3-800/1066
DDR3-1333/1600
Unit
NOTE
Min.
Max.
Min.
Max.
VIH.DQ(DC100) DC input logic high
VREF + 100
VDD
VREF + 100
VDD
mV
1
VIL.DQ(DC100) DC input logic low
VSS
VREF - 100
VSS
VREF - 100
mV
1
VIH.DQ(AC175) AC input logic high
VREF + 175
-
VREF + 150
-
mV
1,2,5
VIL.DQ(AC175) AC input logic low
-
VREF - 175
-
VREF - 150
mV
1,2,5
VIH.DQ(AC150) AC input logic high
VREF + 150
NOTE 2
-
mV
1,2,5
VIL.DQ(AC150) AC input logic low
NOTE 2
VREF - 150
--
mV
1,2,5
VREFDQ(DC)
I/O Reference Voltage(DQ)
0.49*VDD
0.51*VDD
0.49*VDD
0.51*VDD
V3,4
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