MT49H64M9CHT-25:A Micron Technology Inc, MT49H64M9CHT-25:A Datasheet - Page 9

• Manufacturer Part Number: MT49H64M9CHT-25:A
• Manufacturer: Micron Technology Inc
• Type: RLDRAMr

Specifications of MT49H64M9CHT-25:A

• Organization: 64Mx9
• Address Bus: 25b
• Operating Supply Voltage (typ): 1.8V
• Package Type: FBGA
• Operating Temp Range: 0C to 95C
• Operating Supply Voltage (max): 1.9V
• Operating Supply Voltage (min): 1.7V
• Supply Current: 675mA
• Pin Count: 144
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / RoHS Status: Compliant

Figure 4: Functional Block Diagram – 32 Meg x 18
A0–A20
BA0–BA2
REF#
WE#
CK#
CS#
CK
1
ZQ
24
Address
register
Mode register
ODT control
Notes:
Control
logic
18
1. Example for BL = 2; column address will be reduced with an increase in burst length.
2. 8 = (length of burst) x 2^(number of column addresses to WRITE FIFO and READ logic).
14
counter
Refresh
8
3
14
address
Row-
MUX
7
1
Column-
counter/
control
address
14
Bank
logic
latch
ZQ CAL
decoder
address
Bank 0
latch
row-
and
7
8
1
8
16,384
5
(16,384 x 32 x 8 x 18) 2
Sense amplifiers
DQM mask logic
SENSE AMPLIFIERS
Output drivers
I/O gating
decoder
Column
memory
Bank 0
array
Bank 0
16,384
32
Bank 1
Bank 2
Bank 3
Bank 4
Bank 5
Bank 6
Bank 7
2
1
288
288
288
READ
logic
2
WRITE
drivers
1
FIFO
and
CLK
n
n
in
18
18
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