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SN74CBT3245APWRG4 PDF预览

SN74CBT3245APWRG4

更新时间： 2024-09-14 23:06:15
品牌 Logo 应用领域
德州仪器 - TI 开关
页数 文件大小 规格书
15页 516K
描述
OCTAL FET BUS SWITCH

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中文翻译

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SN74CBT3245APWRG4 数据手册

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SCDS002Q − NOVEMBER 1992 − REVISED DECEMBER 2004  
D
D
Standard ’245-Type Pinout  
D
TTL-Compatible Input Levels  
5-Ω Switch Connection Between Two Ports  
DB, DBQ, DGV, DW, 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  
NC  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
V
CC  
OE  
B1  
B2  
B3  
B4  
B5  
B6  
B7  
B8  
1
20  
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  
GND  
10  
11  
NC − No internal connection  
NC − No internal connection  
GQN OR ZQN PACKAGE  
(TOP VIEW)  
1
2
3
4
terminal assignments  
1
A1  
2
3
4
A
B
C
D
E
A
B
C
D
E
NC  
B2  
A4  
B6  
A8  
V
OE  
B1  
B3  
B5  
B7  
CC  
A3  
A2  
B4  
A6  
B8  
A5  
A7  
GND  
NC − No internal connection  
description/ordering information  
The SN74CBT3245A provides eight bits of high-speed TTL-compatible bus switching. The SOIC, SSOP,  
TSSOP, and TVSOP packages provide 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. When the output-enable (OE) input is low, the switch is on, and  
port A is connected to port B. When OE is high, the switch is open, and the high-impedance state exists between  
the two ports.  
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  
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.  
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Copyright 2004, Texas Instruments Incorporated  
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1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265  
1234567...15

中文翻译

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SN74CBT3245APWRG4 替代型号

型号 品牌 替代类型 描述 数据表
PI3VT3245-ALE PERICOM

类似代替

 Bus Driver, 3VT Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, 0.173 INCH, GREEN, MO-15
SN74CBT3245APWR TI

类似代替

 OCTAL FET BUS SWITCH

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