mt18ld472fg-5 Micron Semiconductor Products, mt18ld472fg-5 Datasheet - Page 4

• Manufacturer Part Number: mt18ld472fg-5
• Description: 2, 4 Meg X 72 Buffered Dram Dimms
• Manufacturer: Micron Semiconductor Products

OBSOLETE
NOTE: 1. All inputs with the exception of RAS# are redriven.
2, 4 Meg x 72 Buffered DRAM DIMMs
DM33.p65 – Rev. 2/99
A11-A1
RAS0#
CAS0#
RAS2#
CAS4#
WE0#
WE2#
OE0#
OE2#
PDE#
A0
B0
D
D
D
D
A11
D
2. D = line buffers.
A1
D
D
D
D
DQ36-DQ39
A0
WE#
OE#
RAS#
CAS#
A0
WE#
OE#
RAS#
CAS#
DQ0-DQ3
GENERATOR
PRESENCE-
DQ0-DQ3
DQ0-DQ3
DETECT
A1ÐA11
A1ÐA11
E#
U10
U1
DQ40-DQ43
A0
WE#
OE#
RAS#
CAS#
A0
WE#
OE#
RAS#
CAS#
DQ4-DQ7
DQ0-DQ3
DQ0-DQ3
A1ÐA11
A1ÐA11
U11
U2
PD1-PD8
FUNCTIONAL BLOCK DIAGRAM
DQ44-DQ47
A0
WE#
OE#
RAS#
CAS#
A0
WE#
OE#
RAS#
CAS#
DQ8-DQ11
DQ0-DQ3
DQ0-DQ3
A1ÐA11
A1ÐA11
MT18LD472(F)(X) (32MB)
U12
U3
DQ12-DQ15
DQ48-DQ51
A0
WE#
OE#
RAS#
CAS#
A0
WE#
OE#
RAS#
CAS#
DQ0-DQ3
DQ0-DQ3
A1ÐA11
A1ÐA11
MT18LD472G (2K REFRESH)
U1-U18 = MT4LC4M4B1 FAST PAGE MODE
MT18LD472G X (2K REFRESH)
U1-U18 = MT4LC4M4E8 EDO PAGE MODE
U13
V
V
U4
DD
SS
4
DQ16-DQ19
DQ52-DQ55
A0
WE#
OE#
RAS#
CAS#
A0
WE#
OE#
RAS#
CAS#
DQ0-DQ3
DQ0-DQ3
A1ÐA11
A1ÐA11
U14
U5
U1-U18, Buffers
U1-U18, Buffers
Micron Technology, Inc., reserves the right to change products or specifications without notice.
DQ20-DQ23
DQ56-DQ59
A0
WE#
OE#
RAS#
CAS#
A0
WE#
OE#
RAS#
CAS#
BUFFERED DRAM DIMMs
DQ0-DQ3
DQ0-DQ3
A1ÐA11
A1ÐA11
U15
U6
DQ24-DQ27
DQ60-DQ63
A0
WE#
OE#
RAS#
CAS#
A0
WE#
OE#
RAS#
CAS#
MT18LD472FG (4K REFRESH)
U1-U18 = MT4LC4M4A1 FAST PAGE MODE
MT18LD472FG X (4K REFRESH)
U1-U18 = MT4LC4M4E9 EDO PAGE MODE
DQ0-DQ3
DQ0-DQ3
A1ÐA11
A1ÐA11
U16
U7
2, 4 MEG x 72
DQ28-DQ31
DQ64-DQ67
A0
WE#
OE#
RAS#
CAS#
A0
WE#
OE#
RAS#
CAS#
DQ0-DQ3
DQ0-DQ3
A1ÐA11
A1ÐA11
©1999, Micron Technology, Inc.
U17
U8
DQ32-DQ35
DQ68-DQ71
A0
WE#
OE#
RAS#
CAS#
A0
WE#
OE#
RAS#
CAS#
DQ0-DQ3
DQ0-DQ3
A1ÐA11
A1ÐA11
U18
U9