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| 型號(hào)： | 97SD3248RPMI |
| 廠商： | MAXWELL TECHNOLOGIES |
| 元件分類： | DRAM |
| 英文描述： | 32M X 48 SYNCHRONOUS DRAM, 6 ns, QFP132 |
| 封裝： | STACK, QFP-132 |
| 文件頁(yè)數(shù)： | 24/40頁(yè) |
| 文件大?。?/td> | 758K |
| 代理商： | 97SD3248RPMI |
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97SD3248
M
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30
All data sheets are subject to change without notice
2004 Maxwell Technologies
All rights reserved.
1.5Gb (8-Meg X 48-Bit X 4-Banks) SDRAM
03.25.04 Rev 1
2. Same bank: The consecutive write command ( the same bank) is illegal.
Read with Auto Precharge to Write command interval
1. Different bank: When some banks are in the active state, the second write command (another bank) is
executed. However, DQM must be set High so that the output buffer becomes High-Z before data input. The
internal auto-precharge of one bank starts at the next clock of the second command.
Read with Auto Precharge to Write Command Interval (Different bank)
2. Same bank: The consecutive write command from read with auto precharge ( the same bank) is illegal. It
is necessary to separate the two commands with a bank active command.
Write with Auto Precharege to Read command interval
1. Different bank: When some banks are in the active state, the second read command (another bank) is
executed. However, in the case of a burst write, data will continue to be written until one clock before the
read command is executed. The internal auto precharge of one bank starts at the next clock of the second
command.
Write with Auto Precharge to Read command Interval (Different bank)
相關(guān)PDF資料 |
PDF描述 |
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| 97SD3248RPMK | 32M X 48 SYNCHRONOUS DRAM, 6 ns, QFP132 |
| 97U870AKIT | 97U SERIES, PLL BASED CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC40 |
| 97U870AH | 97U SERIES, PLL BASED CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PBGA52 |
| 97U870AHIT | 97U SERIES, PLL BASED CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PBGA52 |
| 97U870AKT | 97U SERIES, PLL BASED CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC40 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| AT91SAM9N12-CUR | 制造商:Atmel Corporation 功能描述:BGA,GREEN,IND TEMP,MRL A,T&R 制造商:Atmel Corporation 功能描述:BGA,GREEN,IND TEMP,MRL A,T&R - Tape and Reel 制造商:Atmel Corporation 功能描述:IC MCU ARM9 ROM 217BGA 制造商:Atmel Corporation 功能描述:BGA GREEN,IND TEMP,MRL A |
| AT91SAM9N12-EK | 功能描述:開發(fā)板和工具包 - ARM EVAL KIT SAM9N12 RoHS:否 制造商:Arduino 產(chǎn)品:Development Boards 工具用于評(píng)估:ATSAM3X8EA-AU 核心:ARM Cortex M3 接口類型:DAC, ICSP, JTAG, UART, USB 工作電源電壓:3.3 V |
| AT91SAM9R64 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Thumb Microcontrollers |
| AT91SAM9R64_09 | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:AT91 ARM Thumb Microcontrollers |
| AT91SAM9R64-CU | 功能描述:ARM微控制器 - MCU ARM Thumb MCU RoHS:否 制造商:STMicroelectronics 核心:ARM Cortex M4F 處理器系列:STM32F373xx 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:72 MHz 程序存儲(chǔ)器大小:256 KB 數(shù)據(jù) RAM 大小:32 KB 片上 ADC:Yes 工作電源電壓:1.65 V to 3.6 V, 2 V to 3.6 V, 2.2 V to 3.6 V 工作溫度范圍:- 40 C to + 85 C 封裝 / 箱體:LQFP-48 安裝風(fēng)格:SMD/SMT |
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