參數(shù)資料
型號(hào)： HYB18L128160BC-7.5
廠商： INFINEON TECHNOLOGIES AG
英文描述： BJAWBMSpecialty DRAMs Mobile-RAM
中文描述： BJAWBMSpecialty DRAM的移動(dòng)RAM
文件頁(yè)數(shù)： 45/53頁(yè)
文件大小： 1328K
代理商： HYB18L128160BC-7.5
HY[B/E]18L128160B[C/F]-7.5
128-Mbit Mobile-RAM
Functional Description
Data Sheet
45
V1.4, 2004-04-30
Idle
Row Activating,
Active, or
Precharging
X
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
X
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
X
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
X
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
Any command otherwise allowed to bank n
ACTIVE (select and activate row)
READ (select column and start READ burst)
WRITE (select column and start WRITE burst)
PRECHARGE (deactivate row in bank or banks)
ACTIVE (select and activate row)
READ (select column and start READ burst)
WRITE (select column and start WRITE burst)
PRECHARGE (deactivate row in bank or banks)
ACTIVE (select and activate row)
READ (select column and start READ burst)
WRITE (select column and start WRITE burst)
PRECHARGE (deactivate row in bank or banks)
ACTIVE (select and activate row)
READ (select column and start READ burst)
WRITE (select column and start WRITE burst)
PRECHARGE (deactivate row in bank or banks)
ACTIVE (select and activate row)
READ (select column and start READ burst)
WRITE (select column and start WRITE burst)
PRECHARGE (deactivate row in bank or banks)
1) to 6)
1) to 6)
1) to 7)
1) to 7)
1) to 6)
Read (Auto-
Precharge
Disabled)
1) to 6)
1) to 7)
1) to 8)
1) to 6)
Write (Auto-
Precharge
Disabled)
1) to 6)
1) to 7)
1) to 7)
1) to 6)
Read
(with Auto-
Precharge)
1) to 6)
1) to 7), 9)
1) to 9)
1) to 6)
Write
(with Auto-
Precharge)
1) to 6)
1) to 7), 9)
1) to 7), 9)
1) to 6)
1) This table applies when CKEn-1 was HIGH and CKEn is HIGH and after
t
RC
has been met (if the previous state was Self
Refresh).
2) This table describes alternate bank operation, except where noted, i.e., the current state is for bank n and the commands
shown are those allowed to be issued to bank m (assuming that bank m is in such a state that the given command is
allowable). Exceptions are covered in the notes below.
3) Current state definitions:
Idle:
The bank has been precharged, and
t
RP
has been met.
Row Active:
A row in the bank has been activated, and
t
RCD
has been met. No data bursts/accesses and no register
accesses are in progress.
Read:
A READ burst has been initiated, with Auto Precharge disabled, and has not yet terminated or been
terminated.
Write:
A WRITE burst has been initiated, with Auto Precharge disabled, and has not yet terminated or been
terminated.
Read with AP
Enabled:
Starts with registration of a READ command with Auto Precharge enabled and ends when
t
RP
has been
met. Once
t
RP
is met, the bank is in the idle state.
Write with AP
Enabled:
Starts with registration of a WRITE command with Auto Precharge enabled and ends when
t
RP
has been
met. Once
t
RP
is met, the bank is in the idle state.
4) AUTO REFRESH, SELF REFRESH and MODE REGISTER SET commands may only be issued when all banks are idle.
5) A BURST TERMINATE command cannot be issued to another bank; it applies to the bank represented by the current state
only.
6) All states and sequences not shown are illegal or reserved.
7) READs or WRITEs listed in the Command/Action column include READs or WRITEs with Auto Precharge enabled and
READs or WRITEs with Auto Precharge disabled.
8) Requires appropriate DQM masking.
Table 15
Current State
Current State Bank n - Command to Bank m (different bank)
(cont’d)
CS
RAS CAS
WE
Command / Action
Notes
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