mt47h64m8b6-5e-it Micron Semiconductor Products, mt47h64m8b6-5e-it Datasheet - Page 42

• Manufacturer Part Number: mt47h64m8b6-5e-it
• Description: 512mb X4, X8, X16 Ddr2 Sdram
• Manufacturer: Micron Semiconductor Products

Output Electrical Characteristics and Operating Conditions
Table 17:
Figure 17:
Table 18:
PDF: 09005aef82f1e6e2/Source: 09005aef821aed36
DDR2_x4x8x16_Core2.fm - 512Mb DDR2: Rev. L; Core DDR2: Rev. C 4/08 EN
Parameter
Parameter
AC differential cross-point voltage
AC differential voltage swing
Output MIN source DC current
Output MIN sink DC current
Differential AC Output Parameters
Output DC Current Drive
Differential Output Signal Levels
Notes:
Notes:
1. The typical value of V
1. For I
2. For I
3. The DC value of V
4. The values of I
V
V
TR
CP
and V
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
21
IL
Ω
(MAX) minus a noise margin are delivered to an SSTL_18 receiver. The actual current val-
OH
OL
load line to define a convenient driver current for measurement.
OX
(
(
DC
DC
OUT
(
Output Electrical Characteristics and Operating Conditions
AC
Symbol
); V
V
); V
V
OX
) is expected to track variations in V
SWING
between V
DD
DD
(
AC
OH
Q = 1.7V, V
Q = 1.7V, V
)
(
DC
REF
V
V
) and I
DD
SS
applied to the receiving device is set to V
OX
Q
Q
V
DD
SWING
(
0.50 × V
AC
Q and V
Symbol
OUT
OL
OUT
) is expected to be about 0.5 × V
I
(
42
I
OH
DC
OL
= 280mV. V
Min
= 1,420mV. (V
1.0
) are based on the conditions given in Notes 1 and 2. They
DD
DD
Q - 125
Q - 280mV.
Micron Technology, Inc., reserves the right to change products or specifications without notice.
Crossing point
OUT
Value
OUT
–13.4
/I
512Mb: x4, x8, x16 DDR2 SDRAM
13.4
OL
DD
0.50 × V
V
- V
must be less than 21
OX
Q. V
DD
OX
Max
Q)/I
DD
(
AC
OH
Q + 125
IH
) indicates the voltage at which
DD
must be less than 21
(MIN) plus a noise margin and
Units
Q of the transmitting device
TT
mA
mA
©2004 Micron Technology, Inc. All rights reserved.
.
Ω
Units
for values of V
mV
mV
Notes
1, 2, 4
2, 3, 4
Ω
Notes
for val-
1
OUT