HM5264165F-75 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics
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HM5264165F-75 Datasheet PDF : 67 Pages
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HM5264165F/HM5264805F/HM5264405F-75/A60/B60
Current state
CS RAS CAS WE Address Command
Operation
Write
H×
×
×
×
DESL
Continue burst to end
L
H
HH
×
NOP
Continue burst to end
L
H
HL
×
BST
Burst stop on full page
L H L H BA, CA, A10 READ/READ A Term burst and New read
L
H
L
L
BA, CA, A10 WRIT/WRIT A Term burst and New write
L
L
H H BA, RA
ACTV
Other bank active
ILLEGAL on same bank*3
LL
HL
BA, A10
PRE, PALL
Term burst write and
Precharge*2
L
L
L
H×
REF, SELF
ILLEGAL
L
L
L
L
MODE
MRS
ILLEGAL
Write with auto- H ×
×
×
×
precharge
DESL
Continue burst to end and
precharge
L
H
HH
×
NOP
Continue burst to end and
precharge
L
H
HL
×
BST
ILLEGAL
L
H
L
H
BA, CA, A10 READ/READ A ILLEGAL*4
L
H
L
L
BA, CA, A10 WRIT/WRIT A ILLEGAL*4
L
L
H H BA, RA
ACTV
Other bank active
ILLEGAL on same bank*3
LL
HL
BA, A10
PRE, PALL
ILLEGAL*4
L
L
L
H×
REF, SELF
ILLEGAL
L
L
L
L
MODE
MRS
ILLEGAL
Refresh (auto-
refresh)
H×
×
×
×
DESL
Enter IDLE after tRC
L
H
HH
×
NOP
Enter IDLE after tRC
L
H
HL
×
BST
Enter IDLE after tRC
L
H
L
H
BA, CA, A10 READ/READ A ILLEGAL*5
L
H
L
L
BA, CA, A10 WRIT/WRIT A ILLEGAL*5
L
L
H H BA, RA
ACTV
ILLEGAL*5
LL
HL
BA, A10
PRE, PALL
ILLEGAL*5
L
L
L
H×
REF, SELF
ILLEGAL
L
L
L
L
MODE
MRS
ILLEGAL
Notes: 1. H: VIH. L: VIL. ×: VIH or VIL. The other combinations are inhibit.
2. An interval of tDPL is required between the final valid data input and the precharge command.
3. If tRRD is not satisfied, this operation is illegal.
4. Illegal for same bank, except for another bank.
5. Illegal for all banks.
6. NOP for same bank, except for another bank.
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