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SN74CBT16245 PDF预览

SN74CBT16245

更新时间: 2024-11-30 23:06:15
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德州仪器 - TI 开关
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5页 77K
描述
16-BIT FET BUS SWITCH

SN74CBT16245 数据手册

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SN74CBT16245  
16-BIT FET BUS SWITCH  
SCDS070 – JULY 1998  
DGG, DGV, OR DL PACKAGE  
(TOP VIEW)  
Standard ’16245-Type Pinout  
5-Switch Connection Between Two Ports  
TTL-Compatible Input Levels  
1
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
NC  
1B1  
1B2  
GND  
1B3  
1B4  
1OE  
1A1  
1A2  
GND  
1A3  
1A4  
2
Package Options Include Plastic Thin  
Shrink Small-Outline (DGG), Thin Very  
Small-Outline (DGV), and Shrink  
Small-Outline (DL) Packages  
3
4
5
6
description  
7
V
V
CC  
CC  
8
1B5  
1B6  
GND  
1B7  
1B8  
2B1  
2B2  
GND  
2B3  
2B4  
1A5  
1A6  
GND  
1A7  
1A8  
2A1  
2A2  
GND  
2A3  
2A4  
The SN74CBT16245 provides 16 bits of  
high-speed TTL-compatible bus switching in a  
standard ’16245 device pinout. The low on-state  
resistance of the switch allows connections to be  
made with minimal propagation delay.  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
The device is organized as two 8-bit low-impedance  
switches with separate output-enable (OE) inputs.  
When OE is low, the switch is on and data can flow  
from port A to port B, or vice versa. When OE is  
high, the switch is open and a high-impedance  
state exists between the two ports.  
V
V
CC  
CC  
2B5  
2B6  
GND  
2B7  
2B8  
NC  
2A5  
2A6  
GND  
2A7  
2A8  
2OE  
The SN74CBT16245 is characterized for  
operation from –40°C to 85°C.  
NC – No internal connection  
FUNCTION TABLE  
(each 8-bit bus switch)  
INPUT  
FUNCTION  
OE  
L
A port = B port  
Disconnect  
H
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  
PRODUCT PREVIEW information concerns products in the formative or  
design phase of development. Characteristic data and other  
specifications are design goals. Texas Instruments reserves the right to  
change or discontinue these products without notice.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

SN74CBT16245 替代型号

型号 品牌 替代类型 描述 数据表
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