MT49H16M18CBM-25 Micron Technology Inc, MT49H16M18CBM-25 Datasheet - Page 8

• Manufacturer Part Number: MT49H16M18CBM-25
• Manufacturer: Micron Technology Inc
• Type: RLDRAMr

Specifications of MT49H16M18CBM-25

• Organization: 16Mx18
• Density: 288Mb
• Address Bus: 23b
• Maximum Clock Rate: 400MHz
• Operating Supply Voltage (typ): 1.8V
• Package Type: uBGA
• Operating Temp Range: 0C to 95C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 779mA
• Pin Count: 144
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

Figure 3:
Functional Block Diagrams
A0–A19
BA0–BA2
WE#
REF#
CK#
CS#
CK
1
ZQ
23
Address
register
16 Meg x 18 Functional Block Diagram
Mode register
Notes:
ODT control
Control
logic
18
1. Examples for BL = 2; column address will be reduced with an increase in burst length.
2. The “8” = (length of burst) x 2^(number of column addresses to WRITE FIFO and READ logic).
13
Refresh
counter
8
3
13
7
address
1
Row-
MUX
Column-
counter/
address
control
13
Bank
logic
latch
ZQ CAL
decoder
address
Bank 0
7
latch
row
and
1
8
8
8,192
5
(8,192 x 32 x 8 x 18) 2
Sense amplifiers
DQM mask logic
SENSE AMPLIFIERS
Output drivers
I/O gating
memory
Column
decoder
Bank 0
array
Bank 0
8,192
32
Bank 1
Bank 2
Bank 3
Bank 4
Bank 5
Bank 6
Bank 7
2
1
144
144
144
READ
logic
2
WRITE
drivers
1
FIFO
and
CLK
n
n
in
18
18
n
n
18
18
latch
Q
ODT control
ODT control
generator
QK/QK#
18
ZQ CAL
18
2
4
V
Drivers
RCVRS
TT
R
CK/CK#
TT
DLL
R
TT
V
TT
(0 ....17)
Q0–Q17
QVLD
QK0–QK1/QK0#–QK1#
DK/DK#
D0–D17
DM