E1729E30 Datasheet, PDF (21/33 Pages) Elpida Memory – 1G bits DDR3 SDRAM

2.2 Pin Capacitance
EDJ1108DJBG, EDJ1116DJBG
Table 16: Pin Capacitance [DDR3-800 to 1600] (TC = 25°C, VDD, VDDQ = 1.5V ± 0.075V)
DDR3-800
DDR3-1066
DDR3-1333
DDR3-1600
Parameter
Symbol Min
Max Min
Max Min
Max Min
Max
Input/output capacitance CIO
1.4
3.0
1.4
2.7
1.4
2.5
1.4
2.3
Input capacitance,
CK and /CK
CCK
0.8
1.6
0.8
1.6
0.8
1.4
0.8
1.4
Input capacitance delta,
CK and /CK
CDCK
0
0.15 0
0.15 0
0.15 0
0.15
Input/output capacitance
delta,
CDDQS 0
0.2
0
0.2
0
0.15 0
0.15
DQS and /DQS
Input capacitance,
(control, address,
command, input-only
CI
pins)
0.75 1.4
0.75 1.35 0.75 1.3
0.75 1.3
Input capacitance delta,
(All control input-only CDI_CTRL −0.5 0.3
pins)
−0.5 0.3
−0.4 0.2
−0.4 0.2
Input capacitance delta,
(All addres/command
input-only pins)
CDI_ADD_
CMD
−0.5
0.5
−0.5 0.5
−0.4 0.4
−0.4 0.4
Input/output capacitance
delta, DQ,DM, DQS, CDIO
/DQS, TDQS, /TDQS
−0.5 0.3
−0.5 0.3
−0.5 0.3
−0.5 0.3
Input/output capacitance
of ZQ pin
CZQ
⎯
3
⎯
3
⎯
3
⎯
3
Units Notes
pF 1, 2
pF 2
pF 2, 3
pF 2, 4
pF 2, 5
pF 2, 6, 7
pF 2, 8, 9
pF 2, 10
pF 2, 11
Table 17: Pin Capacitance [DDR3-1866 to 2133] (TC = 25°C, VDD, VDDQ = 1.5V ± 0.075V)
DDR3-1866
DDR3-2133
Parameter
Symbol
Min
Max
Min
Max
Input/output capacitance
CIO
1.4
2.2
1.4
2.1
Input capacitance,
CK and /CK
CCK
0.8
1.3
0.8
1.3
Input capacitance delta, CK and
/CK
CDCK
0
0.15
0
0.15
Input/output capacitance delta,
DQS and /DQS
CDDQS
0
0.15
0
0.15
Input capacitance,
(control, address, command, input- CI
only pins)
0.75
1.2
0.75
1.2
Input capacitance delta,
(All control input-only pins)
CDI_CTRL
−0.4
0.2
−0.4
0.2
Input capacitance delta, (All
addres/command input-only pins)
CDI_ADD_CMD −0.4
0.4
−0.4
0.4
Input/output capacitance delta,
DQ,DM, DQS, /DQS, TDQS,
/TDQS
CDIO
−0.5
0.3
−0.5
0.3
Input/output capacitance of ZQ pin CZQ
⎯
3
⎯
3
Units
pF
pF
pF
pF
pF
pF
pF
pF
pF
Notes
1, 2
2
2, 3
2, 4
2, 5
2, 6, 7
2, 8, 9
2, 10
2, 11
Data Sheet E1729E30 (Ver. 3.0)
21