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SN74CBT3345DBQ PDF预览

SN74CBT3345DBQ

更新时间: 2024-11-29 13:13:47
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
4页 55K
描述
CBT/FST/QS/5C/B SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, SSOP-20

SN74CBT3345DBQ 技术参数

生命周期:Obsolete零件包装代码:SSOP
包装说明:SSOP,针数:20
Reach Compliance Code:unknown风险等级:5.35
系列:CBT/FST/QS/5C/BJESD-30 代码:R-PDSO-G20
长度:8.6614 mm逻辑集成电路类型:BUS DRIVER
位数:8功能数量:1
端口数量:2端子数量:20
最高工作温度:85 °C最低工作温度:-40 °C
输出特性:3-STATE输出极性:TRUE
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
传播延迟(tpd):0.25 ns认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:0.635 mm
端子位置:DUAL宽度:3.9116 mm
Base Number Matches:1

SN74CBT3345DBQ 数据手册

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SN74CBT3345  
8-BIT FET BUS SWITCH  
SCDS027D – MAY 1995 – REVISED MAY 1998  
DB, DGV, DW, OR PW PACKAGE  
(TOP VIEW)  
Standard ’245-Type Pinout  
5-Switch Connection Between Two Ports  
TTL-Compatible Input Levels  
V
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
OE  
A1  
CC  
OE  
B1  
B2  
B3  
B4  
B5  
Package Options Include Plastic Shrink  
Small-Outline (DB), Thin Very Small-Outline  
(DGV), Small-Outline (DW), and Thin Shrink  
Small-Outline (PW) Packages  
A2  
A3  
A4  
A5  
description  
A6  
13 B6  
12 B7  
11 B8  
A7  
A8  
GND  
The SN74CBT3345 provides eight bits of  
high-speed TTL-compatible bus switching in a  
standard ’245 device pinout. The low on-state  
resistance of the switch allows connections to be  
made with minimal propagation delay.  
The device is organized as one 8-bit switch bank with dual output-enable (OE and OE) inputs. When OE is low  
or OE is high, the switch is on and port A is connected to port B. When OE is high and OE is low, the switch is  
open and a high-impedance state exists between the two ports.  
The SN74CBT3345 is characterized for operation from 0°C to 70°C.  
FUNCTION TABLE  
INPUT  
FUNCTION  
OE  
L
A port = B port  
Disconnect  
H
logic diagram (positive logic)  
2
9
18  
11  
A1  
B1  
B8  
A8  
1
OE  
OE  
19  
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
Copyright 1998, Texas Instruments Incorporated  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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