PDF 42S16800A Data sheet ( Hoja de datos )

Número de pieza	42S16800A
Descripción	16Meg x 8/ 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM
Fabricantes	Integrated Silicon Solution Inc
Logotipo
Hay una vista previa y un enlace de descarga de 42S16800A (archivo pdf) en la parte inferior de esta página. Total 61 Páginas
No Preview Available ! IS42S81600A, IS42S16800A, IS42S32400A, 16Meg x 8, 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM ISSI® PRELIMINARY INFORMATION JANUARY 2005 FEATURES • Clock frequency: 166,143,100 MHz • Fully synchronous; all signals referenced to a positive clock edge • Internal bank for hiding row access/precharge • Power supply IS42S81600A VDD VDDQ 3.3V 3.3V IS42S16800A 3.3V 3.3V IS42S32400A 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 with programmable refresh periods • 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 • Industrial Temperature Availability • Lead-free Availability OVERVIEW ISSI's 128Mb Synchronous DRAM achieves high-speed data transfer using pipeline architecture. All inputs and outputs signals refer to the rising edge of the clock input.The 128Mb SDRAM is organized as follows. IS42S81600A 4M x8x4 Banks 54-pin TSOPII IS42S16800A 2M x16x4 Banks 54-pin TSOPII IS42S32400A 1M x32x4 Banks 86-pin TSOPII KEY TIMING PARAMETERS Parameter Clk Cycle Time CAS Latency = 3 CAS Latency = 2 Clk Frequency CAS Latency = 3 CAS Latency = 2 Access Time from Clock CAS Latency = 3 CAS Latency = 2 -6 -7 -10 Unit 6 7 10 ns - 10 10 ns 166 143 100 Mhz - 100 100 Mhz 5.4 5.4 7 ns - 6 9 ns Copyright © 2005 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any time without 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. — www.issi.com — 1-800-379-4774 PRELIMINARYINFORMATION,Rev. 00C 01/20/05 1 1 page IS42S81600A, IS42S16800A, IS42S32400A ISSI ® PIN CONFIGURATIONS 86 pin TSOP - Type II for x32 VDD I/O0 VDDQ I/O1 I/O2 VSSQ I/O3 I/O4 VDDQ I/O5 I/O6 VSSQ I/O7 NC VDD DQM0 WE CAS RAS CS A11 BA0 BA1 A10 A0 A1 A2 DQM2 VDD NC I/O16 VSSQ I/O17 I/O18 VDDQ I/O19 I/O20 VSSQ I/O21 I/O22 VDDQ I/O23 VDD 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 86 VSS 85 I/O15 84 VSSQ 83 I/O14 82 I/O13 81 VDDQ 80 I/O12 79 I/O11 78 VSSQ 77 I/O10 76 I/O9 75 VDDQ 74 I/O8 73 NC 72 VSS 71 DQM1 70 NC 69 NC 68 CLK 67 CKE 66 A9 65 A8 64 A7 63 A6 62 A5 61 A4 60 A3 59 DQM3 58 VSS 57 NC 56 I/O31 55 VDDQ 54 I/O30 53 I/O29 52 VSSQ 51 I/O28 50 I/O27 49 VDDQ 48 I/O26 47 I/O25 46 VSSQ 45 I/O24 44 VSS PIN DESCRIPTIONS A0-A11 A0-A7 BA0, BA1 I/O0 to I/O31 CLK CKE CS RAS CAS 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 WE DQM0-DQM3 VDD Vss VDDQ VssQ NC Write Enable x32 Input/Output Mask Power Ground Power Supply for I/O Pin Ground for I/O Pin No Connection Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774 PRELIMINARYINFORMATION Rev. 00C 01/20/05 5 5 Page IS42S81600A, IS42S16800A, IS42S32400A ISSI ® FUNCTIONAL TRUTH TABLE Continued: Read with auto Precharging Precharge Precharging Write with Auto Precharge Precharging Row Activating CS RAS CAS WE H× × × LH H H LH H L LH L H LH L L LL HH LL HL LL L H LL L L H× ×× LH H H LH H L LH L H LH L L LL HH LL HL LL L H LL L L H× × × LH H H LH H L LH L H LH L L LL HH LL HL LL L H LL L L H× × × LH H H LH H L LH L H LH L L LL HH LL HL LL L H LL L L Address × x × BA, CA, A10 BA, CA, A10 BA, RA BA, A10 × OC, BA × × × BA, CA, A10 BA, CA, A10 BA, RA BA, A10 × OC, BA × × × BA, CA, A10 BA, CA, A10 BA, RA BA, A10 × OC, BA × × × BA, CA, A10 BA, CA, A10 BA, RA BA, A10 × OC, BA Command DESL Action Continue burst to end - NOP Continue burst to end - BST READ/READA WRIT/ WRITA ACT PRE/PALL REF MRS/EMRS DESL NOP BST READ/READA WRIT/ WRITA ACT PRE/PALL REF MRS/EMRS DESL NOP BST READ/READA WRIT/WRITA ACT PRE/PALL REF MRS/EMRS DESL NOP BST READ/READA WRIT/WRITA ACT PRE/PALL REF MRS/EMRS ILLEGAL ILLEGAL (2) ILLEGAL (2) ILLEGAL (2) ILLEGAL (2) ILLEGAL ILLEGAL Continue burst to end -Write recovering with auto precharge Continue burst to end -Write recoveringwith auto precharge ILLEGAL ILLEGAL(2) ILLEGAL (2) ILLEGAL (2) ILLEGAL (2) ILLEGAL ILLEGAL Nop Enter idle after tRP Nop Enter idle after tRP ILLEGAL ILLEGAL (2) ILLEGAL (2) ILLEGAL(2) Nop Enter idle after tRP ILLEGAL ILLEGAL Nop Enter bank active after tRCD Nop Enter bank active after tRCD ILLEGAL ILLEGAL (2) ILLEGAL (2) ILLEGAL (2,8) ILLEGAL (2) ILLEGAL ILLEGAL Note: H=VIH, L=VIL x= VIH or VIL, V = Valid Data, BA= Bank Address, CA+Column Address, RA=Row Address, OC= Op-Code Integrated Silicon Solution, Inc. — www.issi.com — 1-800-379-4774 PRELIMINARYINFORMATION Rev. 00C 01/20/05 11 11 Page

Páginas	Total 61 Páginas
PDF Descargar	[ Datasheet 42S16800A.PDF ]

Hoja de datos destacado

Número de pieza	Descripción	Fabricantes
42S16800A	16Meg x 8/ 8Meg x16 & 4Meg x 32 128-MBIT SYNCHRONOUS DRAM	Integrated Silicon Solution Inc

Número de pieza	Descripción	Fabricantes
SLA6805M	High Voltage 3 phase Motor Driver IC.	Sanken
SDC1742	12- and 14-Bit Hybrid Synchro / Resolver-to-Digital Converters.	Analog Devices

DataSheet.es es una pagina web que funciona como un repositorio de manuales o hoja de datos de muchos de los productos más populares,
permitiéndote verlos en linea o descargarlos en PDF.

DataSheet.es | 2020 | Privacy Policy | Contacto | Buscar