IS42S32800D-7BLI INTEGRATED SILICON SOLUTION (ISSI), IS42S32800D-7BLI Datasheet - Page 16

• Manufacturer Part Number: IS42S32800D-7BLI
• Description: SDRAM, IND, 8M X 32, 3V, 90BGA
• Manufacturer: INTEGRATED SILICON SOLUTION (ISSI)

Specifications of IS42S32800D-7BLI

• Access Time: 5.5ns
• Page Size: 256Mbit
• Memory Case Style: BGA
• No. Of Pins: 90
• Operating Temperature Range: -40°C To +85°C
• Memory Type: DRAM - Synchronous
• Memory Configuration: 4 BLK (2M X 32)
• Interface Type: LVTTL
• Rohs Compliant: Yes
• 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