MT47H64M8CF-25E IT:G Micron Technology Inc, MT47H64M8CF-25E IT:G Datasheet - Page 48

• Manufacturer Part Number: MT47H64M8CF-25E IT:G
• Description: 64MX8 DDR2 SDRAM PLASTIC IND TEMP FBGA 1.8V
• Manufacturer: Micron Technology Inc

Output Electrical Characteristics and Operating Conditions
Table 18: Differential AC Output Parameters
Figure 13: Differential Output Signal Levels
Table 19: Output DC Current Drive
PDF: 09005aef82f1e6e2
512MbDDR2.pdf - Rev. T 2/12 EN
Parameter
AC differential cross-point voltage
AC differential voltage swing
Parameter
Output MIN source DC current
Output MIN sink DC current
Notes:
Note:
V
V
TR
CP
1. The typical value of V
1. For I
2. For I
3. The DC value of V
4. The values of I
vice and V
which differential output signals must cross.
ues of V
between 0V and 280mV.
are used to test device drive current capability to ensure V
V
ues are derived by shifting the desired driver operating point (see output IV curves)
along a 21Ω load line to define a convenient driver current for measurement.
IL,max
Output Electrical Characteristics and Operating Conditions
OH(DC)
OL(DC)
minus a noise margin are delivered to an SSTL_18 receiver. The actual current val-
OUT
; V
; V
OX(AC)
V
V
between V
DDQ
DDQ
DDQ
Symbol
SSQ
Vswing
V
Vswing
OH(DC)
OX(AC)
is expected to track variations in V
= 1.7V, V
= 1.7V, V
REF
and I
applied to the receiving device is set to V
OX(AC)
DDQ
OUT
OUT
OL(DC)
48
0.50 × V
and V
is expected to be about 0.5 × V
= 280mV. V
= 1,420mV. (V
Crossing point
are based on the conditions given in Notes 1 and 2. They
Min
Symbol
DDQ
1.0
DDQ
V
I
I
OX
OH
OL
Micron Technology, Inc. reserves the right to change products or specifications without notice.
- 280mV.
- 125
512Mb: x4, x8, x16 DDR2 SDRAM
OUT
OUT
/I
OL
- V
must be less than 21Ω for values of V
0.50 × V
DDQ
Value
DDQ
–13.4
13.4
)/I
. V
OH
Max
OX(AC)
DDQ
–
IH,min
must be less than 21Ω for val-
DDQ
+ 125
2004 Micron Technology, Inc. All rights reserved.
TT
of the transmitting de-
indicates the voltage at
plus a noise margin and
.
Units
mA
mA
Units
mV
mV
Notes
1, 2, 4
2, 3, 4
Notes
1
OUT