MT44K16M36 MICRON [Micron Technology], MT44K16M36 Datasheet - Page 80

• Manufacturer Part Number: MT44K16M36
• Description: 576Mb: x18, x36 RLDRAM 3
• Manufacturer: MICRON [Micron Technology]

Figure 41: Power-Up/Initialization Sequence
PDF: 09005aef84003617
576mb_rldram3.pdf – Rev. B 1/12 EN
V
V
V
V
DDQ
EXT
REF
DD
Power-up
ramp
T (MAX) = 200ms
Command
Address
RESET#
QVLD
sequence text
See power-up
QK#
DK#
All voltage
supplies valid
and stable
initialization
CK#
R
DM
QK
conditions
DK
DQ
CK
TT
t
IOZ
1
in the
= 20ns
Notes:
T = 200µs (MIN)
1. QVLD output drive status during power-up and initialization:
b. QVLD will then drive LOW with 40Ω or lower until the output drive value selected
a. QVLD remains High-Z until 20ns after power supplies are stable and TCK or CK
Stable and
valid clock
NOP
have cycled 4 times.
in MR1 is enabled.
100 cycles
NOP
10,000 CK cycles (MIN)
80
NOP
t
DKH
t
CH
t
DK
t
CK
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t
t
CL
DKL
MRS
MR0
t
MRSC
576Mb: x18, x36 RLDRAM 3
INITIALIZATION Operation
MRS
MR1
512 clock cycles
for DLL Reset &
ZQ Calibration
Indicates a break in
time scale
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MR2
MRS
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Valid
Valid
Don’t Care
or Unknown
operation
Normal