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SN74ABT620DB PDF预览

SN74ABT620DB

更新时间： 2024-11-24 22:36:51
品牌 Logo 应用领域
德州仪器 - TI 总线驱动器总线收发器逻辑集成电路光电二极管输出元件信息通信管理
页数 文件大小 规格书
7页 120K
描述
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN74ABT620DB 技术参数

生命周期：ObsoleteReach Compliance Code：unknown
风险等级：5.39Is Samacsys：N
其他特性：WITH INDEPENDENT OUTPUT ENABLE FOR EACH DIRECTION系列：ABT
JESD-30 代码：R-PDSO-G20长度：7.2 mm
逻辑集成电路类型：BUS TRANSCEIVER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：INVERTED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）：4.8 ns
认证状态：Not Qualified座面最大高度：2 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
技术：BICMOS温度等级：INDUSTRIAL
端子形式：GULL WING端子节距：0.65 mm
端子位置：DUAL宽度：5.3 mm
Base Number Matches：1

SN74ABT620DB 数据手册

 浏览型号SN74ABT620DB的Datasheet PDF文件第2页浏览型号SN74ABT620DB的Datasheet PDF文件第3页浏览型号SN74ABT620DB的Datasheet PDF文件第4页浏览型号SN74ABT620DB的Datasheet PDF文件第5页浏览型号SN74ABT620DB的Datasheet PDF文件第6页浏览型号SN74ABT620DB的Datasheet PDF文件第7页 
SN54ABT620, SN74ABT620  
OCTAL BUS TRANSCEIVERS  
WITH 3-STATE OUTPUTS  
SCBS113D – FEBRUARY 1991 – REVISED APRIL 1998  
SN54ABT620 . . . J PACKAGE  
SN74ABT620 . . . DB, DW, N, OR PW PACKAGE  
(TOP VIEW)  
State-of-the-Art EPIC-ΙΙB BiCMOS Design  
Significantly Reduces Power Dissipation  
ESD Protection Exceeds 2000 V Per  
MIL-STD-883, Method 3015; Exceeds 200 V  
Using Machine Model (C = 200 pF, R = 0)  
OEAB  
A1  
V
CC  
OEBA  
1
2
3
4
5
6
7
8
9
20  
19  
18  
17  
16  
15  
14  
A2  
A3  
A4  
A5  
A6  
A7  
B1  
B2  
B3  
B4  
Latch-Up Performance Exceeds 500 mA Per  
JESD 17  
Typical V  
(Output Ground Bounce) < 1 V  
OLP  
at V  
= 5 V, T = 25°C  
CC  
A
B5  
High-Drive Outputs (–32-mA I  
,
OH  
13 B6  
12 B7  
11 B8  
64-mA I  
)
OL  
A8  
GND 10  
Package Options Include Plastic  
Small-Outline (DW), Shrink Small-Outline  
(DB), and Thin Shrink Small-Outline (PW)  
Packages, Ceramic Chip Carriers (FK), and  
Plastic (N) and Ceramic (J) DIPs  
SN54ABT620 . . . FK PACKAGE  
(TOP VIEW)  
description  
These octal bus transceivers provide for  
asynchronous communication between data  
buses. The control-function implementation  
allows for maximum flexibility in timing. The  
’ABT620 devices provide inverted data at the  
outputs.  
3
2
1
20 19  
18  
B1  
B2  
B3  
B4  
B5  
A3  
A4  
A5  
A6  
A7  
4
5
6
7
8
17  
16  
15  
14  
9 10 11 12 13  
These devices allow data transmission from the  
A bus to the B bus or from the B bus to the A bus,  
depending on the logic levels at the output-enable  
(OEAB and OEBA) inputs.  
The output-enable inputs can be used to disable the device so that the buses are effectively isolated. The  
dual-enableconfigurationgivesthetransceiversthecapabilityofstoringdatabysimultaneouslyenablingOEAB  
and OEBA. When both OEAB and OEBA are enabled and all other data sources to the two sets of bus lines  
are at high impedance, both sets of bus lines (16 total) remain at their last states. In this way, each output  
reinforces its input in this configuration.  
To ensure the high-impedance state during power up or power down, OEBA should be tied to V  
through a  
CC  
pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.  
OEAB should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by  
the current-sourcing capability of the driver.  
The SN54ABT620 is characterized for operation over the full military temperature range of –55°C to 125°C. The  
SN74ABT620 is characterized for operation from –40°C to 85°C.  
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.  
EPIC-ΙΙB is a trademark of Texas Instruments Incorporated.  
Copyright 1998, Texas Instruments Incorporated  
UNLESS OTHERWISE NOTED this document contains PRODUCTION  
DATA information 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  
1234567

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