IS43R32800B-6B-TR ISSI, Integrated Silicon Solution Inc, IS43R32800B-6B-TR Datasheet - Page 9
![no-image](/images/manufacturer_photos/0/3/347/issi__integrated_silicon_solution_inc_sml.jpg)
IS43R32800B-6B-TR
Manufacturer Part Number
IS43R32800B-6B-TR
Description
IC DDR SDRAM 256MBIT 144BGA
Manufacturer
ISSI, Integrated Silicon Solution Inc
Datasheet
1.IS43R32800B-6BL-TR.pdf
(39 pages)
Specifications of IS43R32800B-6B-TR
Format - Memory
RAM
Memory Type
DDR SDRAM
Memory Size
256M (8Mx32)
Speed
166MHz
Interface
Parallel
Voltage - Supply
2.3 V ~ 2.7 V
Operating Temperature
0°C ~ 70°C
Package / Case
144-BGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
FUNCTIONAL TRUTH TABLE (continued)
IS43R32800B
Integrated Silicon Solution, Inc. — www.issi.com
Rev. 00D
03/19/08
ACTI VATING
C HARGI NG
Current State
COVERING
WRITER E-
PR E-
ROW
/CS /RAS /CAS /W E Address
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
H
H
H
L
H
H
H
H
H
H
X
L
L
L
X
L
L
L
L
X
L
L
L
L
X
H
H
H
H
X
H
H
H
H
X
H
H
H
H
L
L
L
L
L
L
L
L
L
X
X
H
X
X
H
X
X
H
H
H
L
H
H
L
H
H
L
L
L
L
L
L
L
X
BA
BA , C A, A8
BA , R A
BA , A 8
Op-C ode, M ode-
Add
X
BA
BA , C A, A8
BA , R A
BA , A 8
Op-C ode, M ode-
Add
X
BA
BA , C A, A8
BA , R A
BA , A 8
Op-C ode, M ode-
Add
X
X
X
X
X
X
Command
ACT
NOP
READ / WRITE
A CT
NOP
MR S
NOP
ACT
DES EL
PRE / PRE A
REF A
DES EL
PRE / PRE A
REF A
DESEL
PRE / PRE A
REF A
MRS
MRS
TERM
TERM
READ / WRITE
TERM
READ / WRITE
I LLEGAL
I LLEG AL
I LLEG AL
I LLEGAL
I LLEGAL
I LLEGAL
I LLEGAL
I LLEGA L
Action
NOP (I dle after tRP)
NOP (I dle after tRP)
IL LEG AL
IL LEG AL
IL LE GA L
NOP (I dle after tRP)
NOP (R ow Active after tRC D)
NOP (R ow Active after tRC D)
IL LEG AL
IL LEG AL
IL LE GA L
NOP
NOP
IL LE GA L
IL LE GA L
IL LEGA L
Notes
2
2
2
4
2
2
2
2
2
2
2
2
9