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SN74ALC245 PDF预览

SN74ALC245

更新时间: 2024-11-04 04:51:15
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
11页 266K
描述
OCTAL BUS TRANSCEIVER WITH S-STATE OUTPUTS

SN74ALC245 数据手册

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ꢀꢁ ꢂꢃ ꢄꢅꢆ ꢇꢈ ꢃꢉ  
ꢊ ꢇꢋꢄꢅ ꢌꢍꢀ ꢋ ꢎꢄꢁ ꢀꢇ ꢏ ꢐꢆ ꢏ ꢎ  
ꢑ ꢐꢋ ꢒ ꢓ ꢔꢀꢋꢄꢋ ꢏ ꢊ ꢍꢋ ꢕ ꢍꢋꢀ  
SCES271C − APRIL 1999 − REVISED SEPTEMBER 2003  
D
D
Operates From 1.65 V to 3.6 V  
D
D
24-mA Output Drive at 3.3 V  
Max t of 3.4 ns at 3.3 V  
pd  
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
DGV, DW, NS, OR PW PACKAGE  
(TOP VIEW)  
RGY PACKAGE  
(TOP VIEW)  
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
DIR  
A1  
V
CC  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
1
20  
A2  
19  
18  
17  
16  
15  
14  
13  
12  
2
3
4
5
6
7
8
9
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
A3  
A4  
A5  
A6  
A7  
A8  
GND  
10  
11  
description/ordering information  
This octal bus transceiver is designed for 1.65-V to 3.6-V V  
operation.  
CC  
The SN74ALVC245 is 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 on 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.  
To ensure the high-impedance state during power up or power down, OE should be tied to V  
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.  
through a pullup  
CC  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
PACKAGE  
T
A
QFN − RGY  
Tape and reel  
Tube  
SN74ALVC245RGYR  
SN74ALVC245DW  
SN74ALVC245DWR  
SN74ALVC245NSR  
SN74ALVC245PW  
SN74ALVC245PWR  
SN74ALVC245DGVR  
VA245  
SOIC − DW  
SOP − NS  
ALVC245  
ALVC245  
Tape and reel  
Tape and reel  
Tube  
−40°C to 85°C  
TSSOP − PW  
TVSOP − DGV  
VA245  
VA245  
Tape and reel  
Tape and reel  
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design  
guidelines are available at www.ti.com/sc/package.  
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.  
ꢋꢢ  
Copyright 2003, Texas Instruments Incorporated  
ꢞ ꢢ ꢟ ꢞꢗ ꢘꢬ ꢚꢙ ꢝ ꢥꢥ ꢣꢝ ꢛ ꢝ ꢜ ꢢ ꢞ ꢢ ꢛ ꢟ ꢧ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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