參數(shù)資料
型號： K4B4G0846B-MCF80
元件分類： DRAM
英文描述： 512M X 8 DDR DRAM, 0.3 ns, PBGA78
封裝： HALOGEN FREE AND ROHS COMPLIANT, FBGA-78
文件頁數(shù)： 5/59頁
文件大?。?/td> 1079K
代理商： K4B4G0846B-MCF80
Page 13 of 59
Rev. 1.0 March 2009
DDP 4Gb DDR3 SDRAM
K4B4G0446B
K4B4G0846B
8.0 AC & DC Input Measurement Levels
8.1 AC and DC Logic input levels for single-ended singnals
[ Table 7 ] Single Ended AC and DC input levels for Command and Address
Note :
1. For input only pins except RESET, VREF = VREFCA(DC)
2. See 9.6 "Overshoot and Undershoot specifications"
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 8 ] 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"
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 for DQS - DQS is 700mV (peak to peak).
Symbol
Parameter
DDR3-800/1066
DDR3-1333/1600
Unit
Notes
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
-mV
1,2
VIL.CA(AC150) AC input logic lowM
-
VREF-150
mV
1,2
VREFCA(DC)
Reference Voltage for ADD,
CMD inuts
0.49*VDD
0.51*VDD
0.49*VDD
0.51*VDD
V3,4
Symbol
Parameter
DDR3-800/1066
DDR3-1333
Unit
Notes
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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