IS45S32400B-7BLA1 ISSI, Integrated Silicon Solution Inc, IS45S32400B-7BLA1 Datasheet - Page 10

• Manufacturer Part Number: IS45S32400B-7BLA1
• Description: IC SDRAM 128MBIT 143MHZ 90FBGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc

Specifications of IS45S32400B-7BLA1

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 128M (4Mx32)
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 90-FBGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS45S32400B
Note: H=V
10
Current State
Read with auto
Precharging
Write with Auto
Precharge
Precharging
Row Activating
FUNCTIONAL TRUTH TABLE Continued:
ih
, L=V
il
x= V
CS
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
H
L
L
L
L
L
L
L
L
ih
or V
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
×
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
RAS CAS
×
×
×
il
, V = Valid Data, BA= Bank Address, CA+Column Address, RA=Row Address, OC= Op-Code
×
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
×
H
H
L
L
H
H
L
L
×
H
H
L
L
H
H
L
L
×
×
H
L
H
L
H
L
H
L
×
H
L
H
L
H
L
H
L
×
H
L
H
L
H
L
H
L
×
H
L
H
L
H
L
H
L
WE
Address
×
x
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
OC, BA
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
OC, BA
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
OC, BA
×
×
×
BA, CA, A10
BA, CA, A10
BA, RA
BA, A10
×
OC, BA
Integrated Silicon Solution, Inc. — www.issi.com
Command
DESL
NOP
BST
READ/READA
WRIT/ WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/ WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
DESL
NOP
BST
READ/READA
WRIT/WRITA
ACT
PRE/PALL
REF/SELF
MRS
Action
Continue burst to end, Precharge
Continue burst to end, Precharge
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Continue burst to end, Write
recovering with auto precharge
Continue burst to end, Write
recovering with auto precharge
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
Nop, Enter idle after tRP
Nop, Enter idle after tRP
Nop, Enter idle after tRP
ILLEGAL
ILLEGAL
ILLEGAL
Nop Enter idle after tRP
ILLEGAL
ILLEGAL
Nop, Enter bank active after tRCD
Nop, Enter bank active after tRCD
Nop, Enter bank active after tRCD
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
ILLEGAL
(11)
(3)
(11)
(11)
(3)
(11)
(11)
(3,11)
(3,11)
(3)
(3)
(3)
(3)
(3,9)
(3)
11/12/09
Rev. C