hm5216165 Elpida Memory, Inc., hm5216165 Datasheet - Page 11

• Manufacturer Part Number: hm5216165
• Description: 16 M Lvttl Interface Sdram 512-kword ? 16-bit ? 2-bank
• Manufacturer: Elpida Memory, Inc.

Current state
Write
Write with
auto-precharge
Refresh
(auto refresh)
Notes: 1. H: V
2. An interval of t
3. If t
The other combinations are inhibit.
RRD
IH
is not satisfied, this operation is illegal.
. L: V
CS
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
IL
RAS CAS WE
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
. : V
DPL
is required between the final valid data input and the precharge command.
IH
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
or V
Data Sheet E0167H10
IL
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
.
Address
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
MODE
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
MODE
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
MODE
Command
DESL
NOP
BST
READ/READ A
WRIT/WRIT A
ACTV
PRE, PALL
REF, SELF
MRS
DESL
NOP
BST
READ/READ A
WRIT/WRIT A
ACTV
PRE, PALL
REF, SELF
MRS
DESL
NOP
BST
READ/READ A
WRIT/WRIT A
ACTV
PRE, PALL
REF, SELF
MRS
Operation
Continue burst to end
Continue burst to end
Burst stop on full page
Term burst and new read
Term burst and new write
Other bank active
ILLEGAL on same bank*
Term burst write and
precharge*
ILLEGAL
ILLEGAL
Continue burst to end and
precharge
Continue burst to end and
precharge
ILLEGAL
ILLEGAL
ILLEGAL
Other bank active
ILLEGAL on same bank*
ILLEGAL
ILLEGAL
ILLEGAL
Enter IDLE after t
Enter IDLE after t
Enter IDLE after t
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
HM5216165 Series
2
RC
RC
RC
3
3
11