256Mb: x4, x8, x16 SDRAM
Electrical Specifications
Table 9: Capacitance
Note 1 applies to all parameters and conditions
Package
TSOP package
Parameter
Symbol
CL1
Min
2.5
Max
3.5
Unit Notes
Input capacitance: CLK
pF
pF
2
3
Input capacitance: All other input-only
balls
CL2
2.5
3.8
Input/output capacitance: DQ
Input capacitance: CLK
CL0
CL1
CL2
4
6
pF
pF
pF
4
5
6
FBGA package
1.5
1.5
3.5
3.8
Input capacitance: All other input-only
balls
Input/output capacitance: DQ
CL0
3
6
pF
7
1. This parameter is sampled. VDD, VDDQ = 3.3V; f = 1 MHz, TA = 25°C; pin under test biased
at 1.4V.
Notes:
2. PC100 specifies a maximum of 4pF.
3. PC100 specifies a maximum of 5pF.
4. PC100 specifies a maximum of 6.5pF.
5. PC133 specifies a minimum of 2.5pF.
6. PC133 specifies a minimum of 2.5pF.
7. PC133 specifies a minimum of 3.0pF.
PDF: 09005aef8091e6d1
256Mb_sdr.pdf - Rev. R 10/12 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
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