IS42S16100H
IS45S16100H
512K Words x 16 Bits x 2 Banks
16Mb SYNCHRONOUS DYNAMIC RAM
OCTOBER 2016
FEATURES
•ꢀ Clockꢀfrequency:ꢀ200,ꢀ166,ꢀ143ꢀMHz
DESCRIPTION
ISSI’sꢀ16MbꢀSynchronousꢀDRAMꢀIS42/4516100Hꢀ
isꢀorganizedꢀasꢀaꢀ524,288-wordꢀxꢀ16-bitꢀxꢀ2-bankꢀforꢀ
improvedꢀperformance.ꢀTheꢀsynchronousꢀDRAMsꢀ
achieve high-speed data transfer using pipeline
architecture. All inputs and outputs signals refer to the
rising edge of the clock input.
•ꢀ Fullyꢀsynchronous;ꢀallꢀsignalsꢀreferencedꢀtoꢀaꢀ
positive clock edge
•ꢀ Twoꢀbanksꢀcanꢀbeꢀoperatedꢀsimultaneouslyꢀandꢀ
independently
•ꢀ DualꢀinternalꢀbankꢀcontrolledꢀbyꢀA11ꢀ(bankꢀselect)
•ꢀ Singleꢀ3.3Vꢀpowerꢀsupply
•ꢀ LVTTLꢀinterface
•ꢀ Programmableꢀburstꢀlengthꢀ
–ꢀ(1,ꢀ2,ꢀ4,ꢀ8,ꢀfullꢀpage)
•ꢀ Programmableꢀburstꢀsequence:ꢀ
Sequential/Interleave
•ꢀ 2048ꢀrefreshꢀcyclesꢀeveryꢀ32msꢀ(Com,ꢀInd,ꢀA1ꢀ
grade)ꢀorꢀ16msꢀ(A2ꢀgrade)
•ꢀ Randomꢀcolumnꢀaddressꢀeveryꢀclockꢀcycle
•ꢀ ProgrammableꢀCASꢀlatencyꢀ(2,ꢀ3ꢀclocks)
•ꢀ Burstꢀread/writeꢀandꢀburstꢀread/singleꢀwriteꢀ
operations capability
•ꢀ Burstꢀterminationꢀbyꢀburstꢀstopꢀandꢀ
precharge command
•ꢀ ByteꢀcontrolledꢀbyꢀLDQMꢀandꢀUDQM
•ꢀ Packages:ꢀ400-milꢀ50-pinꢀTSOP-IIꢀandꢀ60-ballꢀ
TF-BGA
•ꢀ TemperatureꢀGrades:
Commercialꢀ(0oC to +70oC)
Industrialꢀ(-40oCꢀtoꢀ+85oC)
ꢀꢀꢀꢀAutomotiveꢀA1ꢀ(-40oCꢀtoꢀ+85oC)
ꢀꢀꢀꢀAutomotiveꢀA2ꢀ(-40oCꢀtoꢀ+105oC)
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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 rea-
sonably 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 applica-
tions 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. A1
10/11/2016