IS42S32800D-6TL ISSI, Integrated Silicon Solution Inc, IS42S32800D-6TL Datasheet - Page 16

• Manufacturer Part Number: IS42S32800D-6TL
• Description: IC SDRAM 256MBIT 166MHZ 86TSOP
• Manufacturer: ISSI, Integrated Silicon Solution Inc
• Type: SDRAMr

Specifications of IS42S32800D-6TL

• Format - Memory: RAM
• Memory Type: SDRAM
• Memory Size: 256M (8Mx32)
• Speed: 166MHz
• Interface: Parallel
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 86-TSOPII
• Organization: 8Mx32
• Density: 256Mb
• Address Bus: 13b
• Access Time (max): 6.5/5.4ns
• Maximum Clock Rate: 166MHz
• Operating Supply Voltage (typ): 3.3V
• Package Type: TSOP-II
• Operating Temp Range: 0C to 70C
• Operating Supply Voltage (max): 3.6V
• Operating Supply Voltage (min): 3V
• Supply Current: 180mA
• Pin Count: 86
• Mounting: Surface Mount
• Operating Temperature Classification: Commercial
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 166 MHz
• Access Time: 6.5 ns, 5.4 ns
• Supply Voltage (max): 3.6 V
• Supply Voltage (min): 3 V
• Maximum Operating Current: 180 mA
• Maximum Operating Temperature: + 70 C
• Minimum Operating Temperature: 0 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IS42S32800D
16
¡D
¡D
¡D
¡D
¡D
CAS#
ADDR.
RAS#
DQM
CKE
CS#
WE#
CLK
Burst Length Field (A2~A0)
This field specifies the data length of column access using the A2~A0 pins and selects the Burst Length to be 2,
4,8,or full page.
DQ
*Note:RFU (Reserved for future use)should stay 0 during MRS cycle.
The mode register is divided into various fields depending on functionality.
Function
Address BS0,1 A11/A10
Hi-Z
A2
0
0
0
0
1
1
1
1
T0
RFU*
A1
0
0
1
1
0
0
1
1
t CK2
T1
Precharge All
0
1
0
1
1
0
1
A0
0
WBL
A9
T2
Burst Length
1
2
4
8
Reserved
Reserved
Reserved
Full Page
t
Mode Register
Address Key
RP
Set Command
Mode Register Set Cycle
Test Mode
A8
T3
Clock min.
A7
T4
Any
Command
A6
T5
CAS Latency
Integrated Silicon Solution, Inc. — www.issi.com
A5
T6
A4
T7
BT
A3
T8
A2
T9
Burst Length
A1
T10
A0
Rev. 00B
11/21/07