MT18LD1672 Micron Semiconductor Products, Inc., MT18LD1672 Datasheet - Page 9

• Manufacturer Part Number: MT18LD1672
• Description: 168-Pin DRAM Dimms, Buffered, (x72), , Status: End of Life (EOL)
• Manufacturer: Micron Semiconductor Products, Inc.

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(Notes: 1-3) (V
NOTE: 1. All voltages referenced to V
8, 16, 32 Meg x 72 Buffered DRAM DIMMs
DM77_2.p65 – Rev. 3/00
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PARAMETER/CONDITION
STANDBY CURRENT: TTL
(RAS# = CAS# = V
STANDBY CURRENT: CMOS
(RAS# = CAS# = V
OPERATING CURRENT: Random READ/WRITE
Average power supply current
(RAS#, CAS#, address cycling:
OPERATING CURRENT: EDO PAGE MODE
Average power supply current
(RAS# = V
REFRESH CURRENT: RAS#-ONLY
Average power supply current
(RAS# cycling, CAS# = V
REFRESH CURRENT: CBR
Average power supply current
(RAS#, CAS#, address cycling:
OPERATING CONDITIONS AND MAXIMUM LIMITS
2. The minimum specifications are used only to indicate cycle time at which proper operation over the full temperature
3. An initial pause of 100µs is required after power-up, followed by eight RAS# REFRESH cycles (RAS#-ONLY or CBR with
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5. Column address changed once each cycle.
6. RAS#-ONLY REFRESH requires that all rows be refreshed at least once every 64ms (4,096 rows for the 4K version and
7. Enables on-chip refresh and address counters.
range is ensured.
WE# HIGH), before proper device operation is ensured. The eight RAS# cycle wake-ups should be repeated any time
the
outputs open.
8,192 rows for the 8K version). CBR REFRESH requires that at least 4,096 cycles be completed every 64ms.
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IL
, CAS#, address cycling:
is dependent on output loading and cycle rates. Specified values are obtained with minimum cycle time and the
t
REF refresh requirement is exceeded.
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= +3.3V ±0.3V)
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)
- 0.2V)
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:
t
RC =
t
t
RC =
RC =
t
RC [MIN])
SS
.
t
PC =
t
t
RC [MIN])
RC [MIN])
t
PC [MIN])
SYMBOL REFRESH SIZE
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Micron Technology, Inc., reserves the right to change products or specifications without notice.
All
All
8K
All
8K
8K
4K
4K
4K
BUFFERED DRAM DIMMs
128MB
256MB
128MB
256MB
256MB 3,135
128MB 2,340
256MB 2,415
128MB 2,700
256MB 2,775
256MB 3,135
128MB 2,340
256MB 2,415
256MB 2,955
128MB 2,880
256MB 2,955
128MB 3,060
128MB 3,060
128MB 2,880
64MB
64MB
64MB
64MB
64MB
64MB
64MB
64MB
64MB
8, 16, 32 MEG x 72
1,215
1,575
1,215
1,485
1,485
1,575
1,395
4.5
66
75
99
18
-5
9
MAX
2,955
1,125
2,160
2,235
2,160
1,485
2,955
1,125
2,160
2,235
1,395
2,778
1,395
2,700
2,778
1,485
2,880
1,125
2,235
2,880
2,700
4.5
66
75
99
18
-6
9
©2000, Micron Technology, Inc.
UNITS NOTES
mA
mA
mA
mA
mA
mA
4, 5
4, 5
4, 6
4, 7