IS43R32400A-6B ISSI, Integrated Silicon Solution Inc, IS43R32400A-6B Datasheet - Page 2

• Manufacturer Part Number: IS43R32400A-6B
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: DDR SDRAMr

Specifications of IS43R32400A-6B

• Organization: 4Mx32
• Density: 128Mb
• Address Bus: 14b
• Access Time (max): 850ps
• Maximum Clock Rate: 166MHz
• Operating Supply Voltage (typ): 2.5V
• Package Type: FBGA
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 2.625V
• Operating Supply Voltage (min): 2.375V
• Supply Current: 420mA
• Pin Count: 144
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Not Compliant

IS43R32400A
FUNCTIONAL BLOCK DIAGRAM (
2
CKE
RAS
CAS
A11
CLK
CLK
BA0
BA1
A10
WE
CS
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
GENERATOR
COMMAND
REGISTER
DECODER
14
14
CLOCK
MODE
&
ADDRESS
LATCH
ROW
8
ADDRESS BUFFER
BURST COUNTER
ADDRESS LATCH
COLUMN
COLUMN
12
X
32)
12
CONTROLLER
COUNTER
REFRESH
REFRESH
CONTROLLER
REFRESH
ADDRESS
BUFFER
SELF
ROW
12
2
Integrated Silicon Solution, Inc. — 1-800-379-4774
BANK CONTROL LOGIC
12
8
4096
32
32
4096
4096
4096
DATA OUT
BUFFER
BUFFER
DATA IN
(x 32)
256
COLUMN DECODER
SENSE AMP I/O GATE
MEMORY CELL
BANK 0
32
32
ARRAY
4
4
DM0-DM3
I/O 0-31
DQS0-DQS3
ISSI
V
V
DD
ss
/V
/V
ss
DDQ
Q
Rev. 00D
02/15/06
®