mt47h128m16hg-3-it Micron Semiconductor Products, mt47h128m16hg-3-it Datasheet - Page 84

• Manufacturer Part Number: mt47h128m16hg-3-it
• Description: 2gb X4, X8, X16 Ddr2 Sdram
• Manufacturer: Micron Semiconductor Products

AC and DC Operating Conditions
Table 21:
Table 22:
PDF: 09005aef824f87b6/Source: 09005aef824f1182
2gb_ddr2.fm - Rev. A 9/06 EN
Parameter
Parameter
Supply voltage
V
I/O supply voltage
I/O reference voltage
I/O termination voltage (system)
R
EMR (A6, A2) = 0, 1
R
EMR (A6, A2) = 1, 0
R
EMR (A6, A2) = 1, 1
Deviation of VM with respect to V
TT
TT
TT
DD
effective impedance value for 75
effective impedance value for 150
effective impedance value for 50
L supply voltage
Recommended DC Operating Conditions (SSTL_18)
All voltages referenced to V
ODT DC Electrical Characteristics
All voltages referenced to V
Notes:
Notes:
1. V
2. V
3. V
4. V
5. V
1. R
2. Measure voltage (VM) at tested ball with no load.
3. IT device minimum values are derated by six percent when device operates between –40°C
DC level of the same. Peak-to-peak noise (non-common mode) on V
percent of the DC value. Peak-to-peak AC noise on V
V
tors, is expected to be set equal to V
being tested, and then measuring current, I(V
and 0°C (T
TT
DD
REF
REF
TT
DD
SS
DD
Q = V
1(
is not applied directly to the device. V
Q tracks with V
(
and V
is expected to equal V
DC
EFF
Ω
Ω
Q/2
Ω
). This measurement is to be taken at the nearest V
) and R
setting
setting
SS
setting
C
SS
DD
L = V
SS
R
).
TT EFF
Symbol
V
Q must track each other. V
V
REF
V
TT
(
V
V
SS
DD
ΔVM
DD
DD
TT
2(
(
.
DC
Q
L
EFF
DD
)
)
) are determined by separately applying V
=
=
; V
⎛
⎝
-------------------------------------------------------------
I V
DD
2 VM
----------------- - 1
(
V
0.49 × V
V
×
DD
L tracks with V
DD
Symbol
R
R
R
REF
V
IH AC
TT
TT
TT
84
ΔVM
IH AC
Q
Q/2 of the transmitting device and to track variations in the
(
Min
(
1(
2(
3(
1.7
1.7
1.7
DC
(
–
EFF
EFF
EFF
) - 40
)
DD
) I V
⎞
⎠
)
)
)
) V
–
–
×
REF
Q
100
(
IL AC
Micron Technology, Inc., reserves the right to change products or specifications without notice.
, and must track variations in the DC level of V
DD
Min
(
120
IL AC
DD
0.50 × V
60
40
–6
Q must be ≤ V
TT
(
Vref(
.
is a system supply for signal termination resis-
)
Nom
AC and DC Operating Conditions
IH
1.8
1.8
1.8
)
(
2Gb: x4, x8, x16 DDR2 SDRAM
)
AC
DC
DD
)), and I(V
)
Nom
Q
150
REF
75
50
DD
may not exceed ±2 percent of
V
0.51 × V
REF
REF
.
IL
Max
(
bypass capacitor.
(
1.9
1.9
1.9
DC
AC
IH
Max
©2006 Micron Technology, Inc. All rights reserved.
180
) + 40
90
60
)), respectively.
(
6
DD
AC
REF
) and V
Q
may not exceed ±1
Units
Units
mV
IL
%
V
V
V
V
Ω
Ω
Ω
(
AC
) to the ball
Notes
Notes
1, 3
1, 3
1, 3
1, 5
4, 5
4, 5
REF
3
2
2
.