IS42S16800E-6TLI-TR Datasheet, PDF (1/61 Pages) List of Unclassifed Manufacturers – 128Mb SYNCHRONOUS DRAM

IS42S81600E
IS42S16800E
16M x 8, 8M x16
128Mb SYNCHRONOUS DRAM
APRIL 2011
FEATURES
• Clock frequency: 200, 166, 143, 133 MHz
• Fully synchronous; all signals referenced to a
positive clock edge
• Internal bank for hiding row access/precharge
• Power supply
IS42S81600E
Vdd Vddq
3.3V 3.3V
IS42S16800E
3.3V 3.3V
• LVTTL interface
• Programmable burst length
– (1, 2, 4, 8, full page)
• Programmable burst sequence:
Sequential/Interleave
• Auto Refresh (CBR)
• Self Refresh
• 4096 refresh cycles every 64 ms
• Random column address every clock cycle
• Programmable CAS latency (2, 3 clocks)
• Burst read/write and burst read/single write
operations capability
• Burst termination by burst stop and precharge
command
• IndustrialTemperature Availability
OVERVIEW
ISSI's 128Mb Synchronous DRAMachieves high-speed
data transfer using pipeline architecture.All inputs and
outputs signals referto the rising edge of the clock input.
The 128Mb SDRAM is organized as follows.
IS42S81600E
4M x8 x4 Banks
54-pin TSOPII
IS42S16800E
2M x16 x4 Banks
54-pin TSOPII
54-ball TF-BGA
KEY TIMING PARAMETERS
Parameter
-5 -6 -7
Clk Cycle Time
CAS Latency = 3
CAS Latency = 2
567
10 10 10
Clk Frequency
CAS Latency = 3
CAS Latency = 2
200 166 143
100 100 100
Access Timefrom Clock
CAS Latency = 3
5.0 5.4 5.4
CAS Latency = 2
6.5 6.5 6.5
-75E Unit
— ns
7.5 ns
— Mhz
133 Mhz
— ns
5.4 ns
Copyright © 2011 Integrated Silicon Solution, Inc.All rights reserved.ISSI reserves the right to make changes to this specification and its products at any time with-
out notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are advised to obtain
the latest version of this device specification before relying on any published information and before placing orders for products.
Integrated Silicon Solution, Inc. does not recommend the use of any of its products in life support applications where the failure or malfunction of the product can
reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not authorized for use in such ap-
plications unless Integrated Silicon Solution, Inc. receives written assurance to its satisfaction, that:
a.) the risk of injury or damage has been minimized;
b.) the user assume all such risks; and
c.) potential liability of Integrated Silicon Solution, Inc is adequately protected under the circumstances
Integrated Silicon Solution, Inc. — www.issi.com
1
Rev. D
03/16/2011