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SN74LV245PWLE

更新时间： 2024-11-06 12:15:03
品牌 Logo 应用领域
德州仪器 - TI 总线收发器输出元件
页数 文件大小 规格书
7页 125K
描述
OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS

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SN74LV245PWLE 数据手册

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SCLS075E − JANUARY 1991 − REVISED APRIL 1996  
SN54LV245 . . . J OR W PACKAGE  
SN74LV245 . . . DB, DW, OR PW PACKAGE  
(TOP VIEW)  
D EPIC (Enhanced-Performance Implanted  
CMOS) 2-µ Process  
D Typical V  
(Output Ground Bounce)  
OLP  
< 0.8 V at V , T = 25°C  
CC  
A
DIR  
A1  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
V
CC  
D Typical V  
(Output V  
Undershoot)  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
OHV  
CC  
OH  
> 2 V at V , T = 25°C  
A2  
A
A3  
D ESD Protection Exceeds 2000 V Per  
MIL-STD-883C, Method 3015; Exceeds  
200 V Using Machine Model  
A4  
A5  
A6  
(C = 200 pF, R = 0)  
A7  
D Latch-Up Performance Exceeds 250 mA  
A8  
Per JEDEC Standard JESD-17  
GND  
D
Package Options Include Plastic  
Small-Outline (DW), Shrink Small-Outline  
(DB), Thin Shrink Small-Outline (PW),  
Ceramic Flat (W) Packages, Chip Carriers  
(FK), and (J) 300-mil DIPs  
SN54LV245 . . . FK PACKAGE  
(TOP VIEW)  
description  
3
2
1
20 19  
18  
B1  
B2  
B3  
B4  
B5  
A3  
A4  
A5  
A6  
A7  
4
5
6
7
8
These octal bus transceivers are designed for  
2.7-V to 5.5-V V operation.  
17  
16  
15  
14  
CC  
The ’LV245 are designed for asynchronous  
communication between data buses. The device  
transmits data from the A bus to the B bus or from  
the B bus to the A bus, depending upon the logic  
level at the direction-control (DIR) input. The  
output-enable (OE) input can be used to disable  
the device so the buses are effectively isolated.  
9 10 11 12 13  
The SN74LV245 is available in TI’s shrink small-outline package (DB), which provides the same I/O pin count  
and functionality of standard small-outline packages in less than half the printed-circuit-board area.  
The SN54LV245 is characterized for operation over the full military temperature range of −55°C to 125°C. The  
SN74LV245 is characterized for operation from −40°C to 85°C.  
FUNCTION TABLE  
INPUTS  
OPERATION  
OE  
L
DIR  
L
B data to A bus  
A data to B bus  
Isolation  
L
H
H
X
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 is a trademark of Texas Instruments Incorporated.  
Copyright 1996, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443  
1234567

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