mt47h64m8b6-5e-it Micron Semiconductor Products, mt47h64m8b6-5e-it Datasheet - Page 43

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

Table 19:
Figure 18:
PDF: 09005aef82f1e6e2/Source: 09005aef821aed36
DDR2_x4x8x16_Core2.fm - 512Mb DDR2: Rev. L; Core DDR2: Rev. C 4/08 EN
Parameter
Output impedance
Pull-up and pull-down mismatch
Output slew rate
Output Characteristics
Output Slew Rate Load
Notes:
1. Absolute specifications: 0°C ≤ T
2. Impedance measurement conditions for output source DC current: V
3. Mismatch is an absolute value between pull-up and pull-down; both are measured at the
4. Output slew rate for falling and rising edges is measured between V
5. The absolute value of the slew rate as measured from V
6. IT and AT devices require an additional 0.4 V/ns in the MAX limit when T
Output
(V
OUT
V
V
rent: V
between 0V and 280mV.
same temperature and voltage.
V
is measured between DQS - DQS# = –500mV and DQS# - DQS = +500mV. Output slew rate is
guaranteed by design but is not necessarily tested on each device.
or greater than the slew rate as measured from V
teed by design and characterization.
and 0°C.
OUT
DD
TT
)
V
TT =
Q and V
+ 250mV for single-ended signals. For differential signals (DQS, DQS#), output slew rate
= 1,420mV; (V
V
DD
DD
25Ω
Output Electrical Characteristics and Operating Conditions
Q = 1.7V; V
Reference
point
Q/2
DD
Q - 280mV. The impedance measurement condition for output sink DC cur-
See “Output Driver Characteristics” on
Min
1.5
OUT
0
OUT
- V
= 280mV; V
DD
Q)/I
43
C
page 44
OH
≤ +85°C
Nom
must be less than 23.4
OUT
Micron Technology, Inc., reserves the right to change products or specifications without notice.
/I
;
OL
V
DD
must be less than 23.4
512Mb: x4, x8, x16 DDR2 SDRAM
Q = +1.8V ±0.1V, V
Max
IL
(
4
5
AC
) MAX to V
IL
(
DC
Ω
) MAX to V
for values of V
©2004 Micron Technology, Inc. All rights reserved.
DD
Units
IH
Ω
V/ns
(
Ω
Ω
= +1.8V ±0.1V.
AC
for values of V
DD
TT
) MIN. This is guaran-
IH
Q = 1.7V;
- 250mV and
(
C
DC
is between –40°C
OUT
) MIN is equal to
between
1, 4, 5, 6
Notes
1, 2, 3
1, 2
OUT