参数资料
型号: FT245BL
厂商: Future Technology Devices International Ltd
元件分类: 微控制器/微处理器
中文描述: SPECIALTY MICROPROCESSOR CIRCUIT, PQFP32
封装: 7 X 7 MM, 0.80 MM PITCH, LEAD FREE, LQFP-32
文件页数: 3/24页
文件大小: 995K
代理商: FT245BL
DS245B Version 1.7
Future Technology Devices Intl. Ltd. 2005
Page 11 of 24
FT245BM USB FIFO ( USB - Parallel ) I.C.
FT245BM TIMING DIAGRAM – FIFO READ CYCLE
Time
Description
Min
Max
Unit
T1
RD Active Pulse Width
50
ns
T2
RD to RD Pre-Charge Time
50 + T6
ns
T3
RD Active to Valid Data ***
Note 4
20
50
ns
T4
Valid Data Hold Time from RD Inactive ***
Note 4 0
ns
T5
RD Inactive to RXF#
0
25
ns
T6
RXF inactive after RD cycle
80
ns
***
Note 4 - Load 30 pF
FT245BM TIMING DIAGRAM – FIFO WRITE CYCLE
Time
Description
Min
Max
Unit
T7
WR Active Pulse Width
50
ns
T8
WR to WR Pre-Charge Time
50
ns
T9
Data Setup Time before WR inactive
20
ns
T10
Data Hold Time from WR inactive
0
ns
T11
WR Inactive to TXE#
5
25
ns
T12
TXE inactive after WR cycle
80
ns
valid data
TXE#
T7
T8
T12
T9
T10
T11
WR
D0..D7
RD#
RXF#
valid data
T1
T2
T6
T3
T4
T5
OBSOLETE
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相关代理商/技术参数
参数描述
FT245BL/TR 制造商:Future Technology Devices International (FTDI Chip) 功能描述:IC USB FIFO SMD LQFP32 245 制造商:Future Technology Devices International (FTDI Chip) 功能描述:IC, USB FIFO, SMD, LQFP32, 245 制造商:Future Technology Devices International (FTDI Chip) 功能描述:IC, USB FIFO INTERFACE, 480MBPS, LQFP-32; USB Type:FIFO; USB Version:1.1, 2.0; Supply Voltage Min:4.35V; Supply Voltage Max:5.25V; Digital IC Case Style:LQFP; No. of Pins:32; Data Rate:480Mbps; No. of Ports:2; MSL:MSL 3 - 168 hours ;RoHS Compliant: Yes
FT245BL-REEL 功能描述:USB 接口集成电路 USB to Parallel FIFO IC LQFP-32 RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20
FT245BL-TRAY 制造商:Future Technology Devices International (FTDI Chip) 功能描述:USB FIFO ( USB - PARALLEL ) I.C.
FT245BM 功能描述:先进先出 Obsolete See FT245RL RoHS:否 制造商:IDT 电路数量: 数据总线宽度:18 bit 总线定向:Unidirectional 存储容量:4 Mbit 定时类型:Synchronous 组织:256 K x 18 最大时钟频率:100 MHz 访问时间:10 ns 电源电压-最大:3.6 V 电源电压-最小:6 V 最大工作电流:35 mA 最大工作温度:+ 85 C 封装 / 箱体:TQFP-80 封装:
FT245BM-TRAY 功能描述:USB 接口集成电路 Obsolete See FT245RL RoHS:否 制造商:Cypress Semiconductor 产品:USB 2.0 数据速率: 接口类型:SPI 工作电源电压:3.15 V to 3.45 V 工作电源电流: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:WLCSP-20