IS43R32800B-6B-TR ISSI, Integrated Silicon Solution Inc, IS43R32800B-6B-TR Datasheet - Page 12

• Manufacturer Part Number: IS43R32800B-6B-TR
• Description: IC DDR SDRAM 256MBIT 144BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc

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

IS43R32800B
12
STATE DIAGRAM
POWE R
AP PL IE D
POWER
ON
REGISTER
PREA
MODE
WR IT E
SE T
WR IT EA
WR IT EA
WR IT E
CH AR GE
MR S
Active
Power
Down
WR IT E
PR E
AL L
MR S
CKEH
WR IT EA
PR E
CKEL
AC TI VE
CH AR GE
RO W
ID LE
PR E
PR E
AC T
RE AD
RE AD A
RE AD A
PR E
REFS
CKEH
Integrated Silicon Solution, Inc. — www.issi.com
REFA
RE AD
REFSX
CKEL
RE ADA
RE AD
POWER
RE FR ES H
DOW N
RE AD A
RE FR ES H
SE LF
AU TO
RE AD
BU RS T
ST OP
TE RM
Automatic Seque nce
Command Sequence
Rev. 00D
03/19/08