is43r16160 Integrated Silicon Solution, Inc., is43r16160 Datasheet - Page 7

• Manufacturer Part Number: is43r16160
• Description: 32mx8, 16mx16 256mb Synchronous Dram
• Manufacturer: Integrated Silicon Solution, Inc.

FUNCTION TRUTH TABLE
DDR SDRAM (Rev.1.1)
IS43R16160
Integrated Silicon Solution, Inc.
Rev. 00A
09/10/08
ROW ACTIVE H
READ(Auto-
Current State
Precharge
Disabled)
IDLE
/CS /RAS /CAS /WE Address
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
X
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
Preliminary
Preliminary
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
X X
H X
H BA, CA, A10
H BA, RA
H X
X X
H X
L BA
X BA, CA, A10
H BA, RA
L BA, A10
H X
L
X X
H X
L BA
H BA, CA, A10
L BA, CA, A10
H BA, RA
L BA, A10
H X
L
L BA
L BA, CA, A10
L BA, A10
L
Op-Code, Mode-
Add
Op-Code, Mode-
Add
Op-Code, Mode-
Add
REFA
MRS
DESEL
NOP
TERM
READ / READA
WRITE / WRITEA
ACT
PRE / PREA
REFA
MRS
DESEL
NOP
TERM
READ / READA
WRITE / WRITEA
ACT
PRE / PREA
REFA
MRS
Command
DESEL
NOP
TERM
READ / WRITE
ACT
PRE / PREA
256M Double Data Rate Synchronous DRAM
NOP
NOP
ILLEGAL
ILLEGAL
Bank Active, Latch RA
NOP
Auto-Refresh
Mode Register Set
NOP
NOP
ILLEGAL
Begin Read, Latch CA, Determine
Auto-Precharge
Begin Write, Latch CA, Determine
Auto-Precharge
Bank Active / ILLEGAL
Precharge / Precharge All
ILLEGAL
ILLEGAL
NOP (Continue Burst to END)
NOP (Continue Burst to END)
Terminate Burst
Terminate Burst, Latch CA, Begin
New Read, Determine Auto-
Precharge
ILLEGAL
Bank Active / ILLEGAL
Terminate Burst, Precharge
ILLEGAL
ILLEGAL
Action
A3S56D30/40ETP
Notes
2
2
4
5
5
2
3
2
7