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参数资料
| 型号： | FR3-16M |
| 厂商： | TechTools |
| 文件页数： | 23/38页 |
| 文件大小： | 0K |
| 描述： | EMULATOR FLASH FLEXROM III 16MEG |
| 标准包装： | 1 |
| 系列： | FlexROM™ III |
| 类型： | 存储器 |
| 适用于相关产品： | 外部 FLASH、EPROM 或 SRAM 设备 |
| 所含物品： | 需要 FR3 FlexROM III 仿真器、缆线（菊花链、LPT、迷你型夹和目标）、软件、有源缆线模块 |
| 其它名称： | FR316M |
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Configurable Timing Parameters
FlexROM III gives you control over some of its timing parameters. If you are not a hardware type then
these options may not make much sense. Don’t worry about it. The default settings will almost always
work. These options are provided to enhance the emulator’s robustness in particularly noisy targets or
targets that violate some of our specs. Even in those rare cases, you should be able to make reasonably
well-informed selections based on the descriptions below and minimal help from your hardware engineer.
Throughout this section, we will be talking about control signals and timing requirements. To keep things
readable, we need to agree on some acronyms. The follow acronyms are commonly used when talking
about memory devices:
Acronym
CS
OE
WT
BHE
BLE
Tacc
Tcs
Toe
Twp
Tcr
Description
Chip Select
Output Enable
Write Enable
Byte High Enable
Byte Low Enable
Address Access Time
Chip Select Access Time
Output Enable Access Time
Write Pulse Width
Cycle Recovery Time
Notes
Enables the device when driven low
Enables the devices output buffers if CS is active
Enables a WRITE cycle if the CS is active
Selects D8-15 for any valid cycles
Selects D0-7 for any valid cycles
Time from address stable to valid data out
Time from CS enabled to valid data out
Time from OE enabled to valid data out
Time WT line is held active during a write cycle
Time between the end of a cycle and the beginning
of the next. A cycle ends when CS goes inactive
or both OE and WT go inactive. A cycle begins
when CS is active AND either OE or WT goes
active.
NOTE: It is somewhat of a misnomer to talk about a device’s ACCESS TIME. There really is not a single
access time spec. The device will provide data only after meeting ALL access time specs. Generally, when
we say a device has a ‘70ns access time’ we are referring the to Tacc spec which is usually equal to the Tcs
spec.
FlexROM III User’s Manual
21
Copyright ? 2001, TechTools
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PDF描述 |
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| TC1270AMVRCTR | IC RESET MONITOR 4.38V SOT143-4 |
| FR3-8M | EMULATOR FLASH FLEXROM III 8MEG |
| VE-B7W-EY-F4 | CONVERTER MOD DC/DC 5.5V 50W |
| TC1270AMVCTTR | IC RESET MONITOR 4.38V SOT23A-5 |
| VE-B7W-EY-F3 | CONVERTER MOD DC/DC 5.5V 50W |
相关代理商/技术参数 |
参数描述 |
|---|---|
| FR3-1M | 功能描述:EMULATOR FLASH FLEXROM III 1MEG RoHS:否 类别:编程器，开发系统 >> 过时/停产零件编号 系列:FlexROM™ III 标准包装:1 系列:- 传感器类型:CMOS 成像，彩色（RGB） 传感范围:WVGA 接口:I²C 灵敏度:60 fps 电源电压:5.7 V ~ 6.3 V 嵌入式:否 已供物品:成像器板 已用 IC / 零件:KAC-00401 相关产品:4H2099-ND - SENSOR IMAGE WVGA COLOR 48-PQFP4H2094-ND - SENSOR IMAGE WVGA MONO 48-PQFP |
| FR-31SERIES | 制造商:未知厂家 制造商全称:未知厂家 功能描述:surface mount circulator |
| FR31-SERIES | 制造商:未知厂家 制造商全称:未知厂家 功能描述:surface mount circulator |
| FR32 | 制造商:MA-COM 制造商全称:M/A-COM Technology Solutions, Inc. 功能描述:Single Junction Surface Mount Isolator 800MHz, 900MHz, 1800MHz, 1900MHz, 2100MHz |
| FR-32 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:surface mount isolator |
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