sg2567rdr212451ib ETC-unknow, sg2567rdr212451ib Datasheet - Page 17

• Manufacturer Part Number: sg2567rdr212451ib
• Description: Dram Module Ddr2 Sdram 2gbyte 240rdimm
• Manufacturer: ETC-unknow

Capacitance
(V
AC Operating Conditions
(V
Notes:
1. Input slew rate is 1V/ns.
2. Inputs are not recognized as valid until V
3. V
4. The value of V
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Parameter
Input Capacitance (CKn, CKn#)
Input Capacitance delta (CKn, CKn#)
Input Capacitance (all other input-only pins)
Input Capacitance delta (all other input-only pins)
Input/Output Capacitance (DQ, DM, DQS, DQS#, CB)
Input/Output Capacitance delta (DQ, DM, DQS, DQS#, CB)
Parameter
Input High Logic Voltage
Input Low Logic Voltage
Input differential voltage, CK and CK#
inputs
Input crossing point voltage, CK and CK#
inputs
AC differential crossing point voltage
DD
DD
DC level of the same.
ID
= 1.8V±0.1V, T
= 1.8V±0.1V, V
is the magnitude of the difference between the input level on CK and the input level on CK#.
IX
/V
OX
Case
SS
is expected to equal 0.5*V
= 0V)
= +25°C)
REF
V
Symbol
V
V
V
V
OX(AC)
IH(AC)
ID(AC)
IX(AC)
IL(AC)
stabilizes.
DDQ
0.5*V
0.5*V
of the transmitting device and must track variations in the
V
REF
DDQ
DDQ
Min
0.5
+ 0.250
-
- 0.175
- 0.125
SG2567RDR212451UU
Symbol
C
C
C
C
C
DCK
C
DI0
CK
DI
I0
I
0.5*V
0.5*V
V
V
REF
DDQ
DDQ
DDQ
Max
- 0.250
-
Min
+ 0.6
2.0
2.5
5.0
+ 0.175
+ 0.125
-
-
-
October 16, 2007
Max
Unit
3.0
3.5
7.0
1.0
V
V
V
V
V
-
-
1, 2
1, 2
1, 2, 3
1, 2, 3
3
Notes
Unit
pF
pF
pF
pF
pF
pF
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