參數(shù)資料
型號(hào)： MT48LC16M16A2
廠商： Micron Technology, Inc.
英文描述： SYNCHRONOUS DRAM
中文描述： 同步DRAM
文件頁數(shù)： 36/62頁
文件大?。?/td> 1517K
代理商： MT48LC16M16A2
36
256Mb: x4, x8, x16 SDRAM
256MSDRAM_E.p65
–
Rev. E; Pub. 3/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2002, Micron Technology, Inc.
256Mb: x4, x8, x16
SDRAM
I
DD
SPECIFICATIONS AND CONDITIONS
(Notes: 1, 5, 6, 11, 13; notes appear on page 37); (V
DD
, V
DD
Q = +3.3V ±0.3V)
PARAMETER/CONDITION
Operating Current: Active Mode;
Burst = 2; READ or WRITE;
t
RC =
t
RC (MIN)
Standby Current: Power-Down Mode;
All banks idle; CKE = LOW
Standby Current: Active Mode;
CKE = HIGH; CS# = HIGH; All banks active after
t
RCD met;
No accesses in progress
Operating Current: Burst Mode; Continuous burst;
READ or WRITE; All banks active
Auto Refresh Current
CS# = HIGH; CKE = HIGH
SYMBOL -7E
I
DD
1
-75
125
UNITS NOTES
mA
135
3, 18,
19, 32
32
I
DD
2
2
2
mA
I
DD
3
40
40
mA
3, 12,
19, 32
I
DD
4
135
135
mA
3, 18,
19, 32
3, 12,
18, 19,
32, 33
t
RFC =
t
RFC (MIN)
t
RFC = 7.81 μs
I
DD
5
I
DD
6
285
3.5
270
3.5
mA
mA
SELF REFRESH CURRENT: CKE
≤
0.2V
Standard
Low power (L)
I
DD
7
I
DD
7
2.5
1.5
2.5
1.5
mA
mA
4
ABSOLUTE MAXIMUM RATINGS*
Voltage on V
DD
, V
DD
Q Supply
Relative to V
SS
.......................................-1V to +4.6V
Voltage on Inputs, NC or I/O Pins
Relative to V
SS
.......................................-1V to +4.6V
Operating Temperature,
T
A
(commercial) .......................................
0°C to +70°C
Operating Temperature,
T
A
(industrial “IT”)............................. -40°C to +85°C
Storage Temperature (plastic) ............-55°C to +150°C
Power Dissipation ........................................................ 1W
*Stresses greater than those listed under “Absolute
Maximum Ratings” may cause permanent damage to
the device. This is a stress rating only, and functional
operation of the device at these or any other conditions
above those indicated in the operational sections of
this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may
affect reliability.
DC ELECTRICAL CHARACTERISTICS AND OPERATING CONDITIONS
(Notes: 1, 5, 6; notes appear on page 37); (V
DD
, V
DD
Q = +3.3V ±0.3V)
PARAMETER/CONDITION
Supply Voltage
Input High Voltage: Logic 1; All inputs
Input Low Voltage: Logic 0; All inputs
Input Leakage Current: Any input 0V
≤
V
IN
≤
V
DD
(All other pins not under test = 0V)
Output Leakage Current: DQs are disabled;
0V
≤
V
OUT
≤
V
DD
Q
Output Levels:
Output High Voltage (I
OUT
= -4mA)
Output Low Voltage (I
OUT
= 4mA)
SYMBOL
V
DD
, V
DD
Q
V
IH
V
IL
I
I
MIN
3
2
-0.3
-5
MAX
3.6
V
DD
+ 0.3
0.8
5
UNITS NOTES
V
V
V
μA
22
22
I
OZ
-5
5
μA
V
OH
V
OL
2.4
–
–
V
V
0.4
MAX
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