EDS1232AATA-60TI View Datasheet(PDF) - Elpida Memory, Inc
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Description
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EDS1232AATA-60TI Datasheet PDF : 53 Pages
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EDS1232AATA-TI
Function Truth Table*1
Current state
Idle
Row active
Read
Write
/CS /RAS /CAS /WE Address
Command
Operation
Notes
H× × × ×
DESL
Nop or power down
2
L HH× ×
NOP or BST Nop or power down
2
L H L H BA, CA, A10 READ/READA ILLEGAL
3
L H L L BA, CA, A10 WRIT/ WRITA ILLEGAL
3
L L H H BA, RA
ACT
Row activating
L L H L BA, A10
PRE/PALL
Nop
L L L H×
REF/SELF
CBR (auto) refresh or self refresh
4
L L L L OPCODE
MRS
Mode register accessing
H× × × ×
DESL
Nop
L HH× ×
NOP or BST Nop
L H L H BA, CA, A10 READ/READA Begin read: Determine AP
5
L H L L BA, CA, A10 WRIT/ WRITA Begin write: Determine AP
5
L L H H BA, RA
ACT
ILLEGAL
3
L L H L BA, A10
PRE/PALL
Precharge
6
L L L H×
REF/SELF
ILLEGAL
L L L L OPCODE
MRS
ILLEGAL
H× × × ×
DESL
Continue burst to end → Row active
L HHH×
NOP
Continue burst to end → Row active
L HHL ×
BST
Burst stop → Row active
L H L H BA, CA, A10 READ/READA Terminate burst, new read: Determine AP 7
L H L L BA, CA, A10 WRIT/WRITA Terminate burst, begin write: Determine AP 7, 8
L L H H BA, RA
ACT
ILLEGAL
3
L L H L BA, A10
PRE/PALL
Terminate burst, Precharging
L L L H×
REF/SELF
ILLEGAL
L L L L OPCODE
MRS
ILLEGAL
H× × × ×
DESL
Continue burst to end → Write recovering
L HHH×
NOP
Continue burst to end → Write recovering
L HHL ×
BST
Burst stop → Row active
L H L H BA, CA, A10 READ/READA Terminate burst, start read : Determine AP 7, 8
L H L L BA, CA, A10 WRIT/WRITA Terminate burst, new write : Determine AP 7
L L H H BA, RA
ACT
ILLEGAL
3
L L H L BA, A10
PRE/PALL
Terminate burst, Precharging
9
L L L H×
REF/SELF
ILLEGAL
L L L L OPCODE
MRS
ILLEGAL
Data Sheet E0305E30 (Ver. 3.0)
17
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