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SN74CBT3244DWR PDF预览

SN74CBT3244DWR

更新时间: 2024-11-06 11:07:11
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德州仪器 - TI 开关
页数 文件大小 规格书
4页 67K
描述
具有 2 个控制输入的 5V、1:1 (SPST)、8 通道通用 FET 总线开关 | DW | 20 | -40 to 85

SN74CBT3244DWR 数据手册

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SN74CBT3244  
OCTAL FET BUS SWITCH  
SCDS001H – NOVEMBER 1992 – REVISED MAY 1998  
DB, DBQ, DGV, DW, OR PW PACKAGE  
(TOP VIEW)  
Functionally Equivalent to QS3244  
Standard ’244-Type Pinout  
5-Switch Connection Between Two Ports  
TTL-Compatible Input Levels  
V
1
2
3
4
5
6
7
8
9
10  
20  
19  
18  
17  
16  
15  
14  
1OE  
1A1  
2B4  
1A2  
2B3  
1A3  
2B2  
1A4  
2B1  
GND  
CC  
2OE  
1B1  
2A4  
1B2  
2A3  
1B3  
Package Options Include Plastic  
Small-Outline (DW), Shrink Small-Outline  
(DB, DBQ), Thin Very Small-Outline (DGV),  
and Thin Shrink Small-Outline (PW)  
Packages  
13 2A2  
12 1B4  
11 2A1  
description  
The SN74CBT3244 provides eight bits of  
high-speed TTL-compatible bus switching in a  
standard ’244 device pinout. The low on-state  
resistance of the switch allows connections to be  
made with minimal propagation delay.  
The device is organized as two 4-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.  
The SN74CBT3244 is characterized for operation from 0°C to 70 °C.  
FUNCTION TABLE  
(each 4-bit bus switch)  
INPUT  
FUNCTION  
OE  
L
A port = B port  
Disconnect  
H
logic diagram (positive logic)  
2
8
18  
12  
1A1  
1A4  
1B1  
1B4  
1
1OE  
2A1  
11  
9
3
2B1  
2B4  
17  
19  
2A4  
2OE  
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  
PRODUCTION DATA information is 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  

SN74CBT3244DWR 替代型号

型号 品牌 替代类型 描述 数据表
FST3244WM FAIRCHILD

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Octal Bus Switch
SN74CBT3244CDWR TI

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B-BIT FET BUS SWITCH 5-V BUS SWITCH WITH 2-V UNDERSHOOT PROTECTION
SN74CBT3244CDW TI

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B-BIT FET BUS SWITCH 5-V BUS SWITCH WITH 2-V UNDERSHOOT PROTECTION

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