參數(shù)資料
型號(hào)： MT9VDDT1672A
廠商： Micron Technology, Inc.
英文描述： DDR SDRAM DIMM
中文描述： DDR SDRAM的內(nèi)存
文件頁(yè)數(shù)： 15/29頁(yè)
文件大?。?/td> 542K
代理商： MT9VDDT1672A
128MB, 256MB (x72, ECC)
184-Pin DDR SDRAM DIMM
09005aef808f8ccd
DD9C16_32X72AG_B.fm - Rev. B 2/03 EN
Micron Technology, Inc., reserves the right to change products or specifications without notice.
15
2003 Micron Technology. Inc.
Table 13: I
DD
Specifications and Conditions (256MB)
DRAM components only
Notes: 1–5, 8, 10, 12, 50; notes appear on pages 18–21; 0 C T
A
+70 C; V
DD
= V
DD
Q = +2.5V +0.2V
PARAMETER/CONDITION
SYMBOL
I
DD
0
MAX
UNIT
S
mA
NOTES
20, 43
-335
1,125
-262
1,125
-26A/
-265
945
-202
1,080
OPERATING CURRENT: One device bank; Active-Precharge;
t
RC =
t
RC (MIN);
t
CK =
t
CK (MIN); DQ, DM, and DQS inputs
changing once per clock cycle; Address and control inputs
changing once every two clock cycles;
OPERATING CURRENT: One device bank; Active-Read-
Precharge; Burst = 2;
t
RC =
t
RC (MIN);
t
CK =
t
CK (MIN); I
OUT
=
0mA; Address and control inputs changing once per clock
cycle
PRECHARGE POWER-DOWN STANDBY CURRENT: All device
banks idle; Power-down mode;
t
CK =
t
CK (MIN); CKE = LOW;
IDLE STANDBY CURRENT: CS# = HIGH; All device banks idle;
t
CK =
t
CK (MIN); CKE = HIGH; Address and other control
inputs changing once per clock cycle. V
IN
= V
REF
for DQ,
DQS, and DM
ACTIVE POWER-DOWN STANDBY CURRENT: One device
bank active; Power-down mode;
t
CK =
t
CK (MIN); CKE =
LOW
ACTIVE STANDBY CURRENT: CS# = HIGH; CKE = HIGH; One
device bank; Active-Precharge;
t
RC =
t
RAS (MAX);
t
CK =
t
CK
(MIN); DQ, DM, and DQS inputs changing twice per clock
cycle; Address and other control inputs changing once per
clock cycle
OPERATING CURRENT: Burst = 2; Reads; Continuous burst;
One device bank active; Address and control inputs
changing once per clock cycle;
t
CK =
t
CK (MIN); I
OUT
= 0mA
OPERATING CURRENT: Burst = 2; Writes; Continuous burst;
One device bank active; Address and control inputs
changing once per clock cycle;
t
CK =
t
CK (MIN); DQ, DM, and
DQS inputs changing twice per clock cycle
AUTO REFRESH CURRENT
I
DD
1
1,530
1,440
1,305
1,395
mA
20, 43
I
DD
2
P
36
36
36
36
mA
21, 28,
45
I
DD
2
F
450
405
405
405
mA
46
I
DD
3
P
270
225
225
270
mA
21, 28,
45
I
DD
3
N
540
450
450
450
mA
42
I
DD
4
R
1,575
1,350
1,350
1,575
mA
20, 43,
24, 45
I
DD
4
W
1,395
1,215
1,215
1,710
mA
20
t
RC =
t
RFC
(MIN)
t
RC = 7.8125μs
Standard
Low Power
I
DD
5
2,295
2,115
2,115
2,205
mA
24, 45
I
DD
6
54
54
54
54
mA
24, 45
SELF REFRESH CURRENT: CKE 0.2V
I
DD
7
I
DD
7A
I
DD
8
36
18
36
18
36
18
36
18
mA
mA
mA
9
OPERATING CURRENT: Four device bank interleaving READs
(BL=4) with auto precharge,
t
RC =
t
RC (MIN);
t
CK =
t
CK (MIN);
Address and control inputs change only during Active,
READ, or WRITE commands.
3,645
3,150
3,285
3,285
20, 44
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