IS42S32800D-7BI ISSI, Integrated Silicon Solution Inc, IS42S32800D-7BI Datasheet - Page 5

• Manufacturer Part Number: IS42S32800D-7BI
• Description: IC SDRAM 256MBIT 143MHZ 90BGA
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S32800D-7BI

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 256M (8Mx32)
• Speed: 143MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 90-BGA
• Organization: 8Mx32
• Density: 256Mb
• Address Bus: 13b
• Access Time (max): 6.5/5.4ns
• Maximum Clock Rate: 143MHz
• Operating Supply Voltage (typ): 3.3V
• Operating Temp Range: -40C to 85C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 150mA
• Pin Count: 90
• Mounting: Surface Mount
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PIN CONFIGURATION
PACKAGE CODE: B 90 BALL FBGA (Top View) (8.00 mm x 13.00 mm Body, 0.8 mm Ball Pitch)
PIN DESCRIPTIONS
A0-A11
A0-A8
BA0, BA1
DQ0 to DQ31
CLK
CKE
CS
RAS
CAS
IS42S32800D
Integrated Silicon Solution, Inc. — www.issi.com
Rev. 00B
11/21/07
Row Address Input
Column Address Input
Bank Select Address
Data I/O
System Clock Input
Clock Enable
Chip Select
Row Address Strobe Command
Column Address Strobe Command
M
C
D
G
H
N
R
A
B
E
K
P
F
L
J
DQM1
1 2 3 4 5 6 7 8 9
VDDQ
VDDQ
DQ26
DQ28
DQ11
DQ13
VSSQ
VSSQ
VSSQ
VSSQ
VSS
CLK
A4
A7
VDDQ
DQM3
VDDQ
DQ24
DQ27
DQ29
DQ31
DQ10
DQ12
DQ15
DQ8
CKE
NC
A5
A8
DQ25
DQ30
DQ14
VSSQ
VSSQ
DQ9
VSS
VSS
VSS
NC
NC
NC
A3
A6
A9
WE
DQM0-DQM3
V
Vss
V
Vss
NC
DD
DDQ
Q
VDDQ
VDDQ
DQ22
DQ17
CAS
VDD
VDD
DQ6
DQ1
VDD
A10
BA0
NC
NC
A2
DQM2
DQ23
DQ20
DQ18
DQ16
VSSQ
VSSQ
DQ7
DQ5
DQ3
DQ0
BA1
WE
CS
A0
VDDQ
VDDQ
DQM0
VDDQ
VDDQ
DQ21
DQ19
VSSQ
VSSQ
RAS
VDD
DQ4
DQ2
Write Enable
x32 Input/Output Mask
Power
Ground
Power Supply for I/O Pin
Ground for I/O Pin
No Connection
A11
A1
5