參數資料
型號: K4B1G0846C-ZCF7
廠商: SAMSUNG SEMICONDUCTOR CO. LTD.
英文描述: 1Gb C-die DDR3 SDRAM Specification
中文描述: 1Gb的?芯片的DDR3 SDRAM規(guī)范
文件頁數: 43/63頁
文件大小: 1255K
代理商: K4B1G0846C-ZCF7
Page 43 of 63
Rev. 1.0 June 2007
1Gb DDR3 SDRAM
K4B1G04(08/16)46C
[ Table 44 ] Input / Output Capacitance
Note :
1. Although the DM, TDQS and TDQS# pins have different functions, the loading matches DQ and DQS
2. This parameter is not subject to production test. It is verified by design and characterization.
The capacitance is measured according to JEP147("PROCEDURE FOR MEASURING INPUT CAPACITANCE USING A VECTOR NETWORK
ANALYZER( VNA)") with VDD, VDDQ, VSS, VSSQ applied and all other pins floating (except the pin under test, CKE, RESET# and ODT as necessary).
VDD=VDDQ=1.5V, VBIAS=VDD/2 and on-die termination off.
3. This parameter applies to monolithic devices only; stacked/dual-die devices are not covered here
4. Absolute value of CCK-CCK#
5. Absolute value of CIO(DQS)-CIO(DQS#)
6. CI applies to ODT, CS#, CKE, A0-A15, BA0-BA2, RAS#, CAS#, WE#.
7. CDI_CTRL applies to ODT, CS# and CKE
8. CDI_CTRL=CI(CTRL)-0.5*(CI(CLK)+CI(CLK#))
9. CDI_ADD_CMD applies to A0-A15, BA0-BA2, RAS#, CAS# and WE#
10. CDI_ADD_CMD=CI(ADD_CMD) - 0.5*(CI(CLK)+CI(CLK#))
11. CDIO=CIO(DQ,DM) - 0.5*(CIO(DQS)+CIO(DQS#))
Parameter
Symbol
DDR3-800
DDR3-1066
DDR3-1333
DDR3-1600
Units
Notes
Min
Max
Min
Max
Min
Max
Min
Max
Input/output capacitance
(DQ, DM, DQS, DQS, TDQS, TDQS)
CIO
1.5
3.0
1.5
3.0
1.5
2.5
TBD
TBD
pF
1,2,3
Input capacitance
(CK and CK)
CCK
0.8
1.6
0.8
1.6
0.8
1.4
0.8
1.4
pF
2,3,5
Input capacitance delta
(CK and CK)
CDCK
0
0.15
0
0.15
0
0.15
0
0.15
pF
2,3,4
Input capacitance
(All other input-only pins)
CI
0.75
1.5
0.75
1.5
0.75
1.3
0.75
1.3
pF
2,3,6
Input capacitance delta
(DQS and DQS)
CDDQS
0
0.2
0
0.2
0
0.15
0
0.15
pF
2,3,12
Input capacitance delta
(All control input-only pins)
CDI_CTRL
-0.5
0.3
-0.5
0.3
-0.4
0.2
-0.4
0.2
pF
2,3,7,8
Input capacitance delta
(all ADD and CMD input-onlypins)
CDI_ADD_CMD
-0.5
0.5
-0.5
0.5
-0.4
0.4
-0.4
0.4
pF
2,3,9,10
Input/output capacitance delta
(DQ, DM, DQS, DQS, TDQS, TDQS)
CDIO
-0.5
0.3
-0.5
0.3
-0.5
0.3
-0.5
0.3
pF
2,3,11
Input/output capacitance of ZQ pin
CZQ
-
3
-
3
-
3
-
3
pF
2, 3, 13
11.0 Input/Output Capacitance
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