IS43R32800B-5B-TR ISSI, Integrated Silicon Solution Inc, IS43R32800B-5B-TR Datasheet - Page 9

• Manufacturer Part Number: IS43R32800B-5B-TR
• Description: IC DDR SDRAM 256MBIT 144BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS43R32800B-5B-TR

• Format - Memory: RAM
• Memory Type: DDR SDRAM
• Memory Size: 256M (8Mx32)
• Speed: 200MHz
• Interface: Parallel
• Voltage - Supply: 2.4 V ~ 2.6 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