m52d128168a Elite Semiconductor Memory Technology Inc., m52d128168a Datasheet - Page 27

• Manufacturer Part Number: m52d128168a
• Description: 2m X 16 Bit X 4 Banks Mobile Synchronous Dram
• Manufacturer: Elite Semiconductor Memory Technology Inc.

Abbreviations:
*Note:
Elite Semiconductor Memory Technology Inc.
Precharging
Refreshing
Accessing
Activating
Register
Current
State
Mode
Row
1. All entries assume the CKE was active (High) during the precharge clock and the current clock cycle.
2. Illegal to bank in specified state; Function may be legal in the bank indicated by BA, depending on the state of the
3. Must satisfy bus contention, bus turn around, and/or write recovery requirements.
4. NOP to bank precharge or in idle state. May precharge bank indicated by BA (and A10/AP).
5. Illegal if any bank is not idle.
bank.
CS
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
RA = Row Address
NOP = No Operation Command
RAS
X
H
H
H
X
H
H
H
X
H
H
X
H
H
H
L
L
L
L
L
L
L
L
L
CAS
H
H
H
X
H
H
H
X
H
H
H
H
X
H
H
X
X
L
L
L
L
L
L
L
WE
X
H
X
H
X
X
H
X
H
X
X
X
X
X
X
X
H
X
X
L
L
L
L
L
BA
BA
BA
BA
BA
BA
BA
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
A10/AP
A10/AP
ADDR
CA
RA
CA
RA
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
NOP
NOP
ILLEGAL
ILLEGAL
ILLEGAL
NOP
ILLEGAL
NOP
NOP
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
NOP
NOP
ILLEGAL
ILLEGAL
ILLEGAL
NOP
NOP
ILLEGAL
ILLEGAL
ILLEGAL
BA = Bank Address
CA = Column Address
Idle after t
Idle after t
Idle after t
Row Active after t
Row Active after t
Idle after t
Idle after t
Idle after 2clocks
Idle after 2clocks
RP
RP
RP
RFC
RFC
ACTION
Publication Date: Aug. 2009
Revision: 1.3
RCD
RCD
M52D128168A
AP = Auto Precharge
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Note
2
2
2
4
2
2
2
2