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SN74CBT6800A

更新时间: 2024-09-16 23:06:19
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德州仪器 - TI 开关输出元件
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4页 59K
描述
10-BIT FET BUS SWITCH WITH PRECHARGED OUTPUTS

SN74CBT6800A 数据手册

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SN74CBT6800A  
10-BIT FET BUS SWITCH  
WITH PRECHARGED OUTPUTS  
SCDS005L – MARCH 1993 – REVISED JULY 1999  
DB, DBQ, DW, OR PW PACKAGE  
(TOP VIEW)  
5-Switch Connection Between Two Ports  
TTL-Compatible Input Levels  
Outputs Are Precharged by Bias Voltage to  
Minimize Signal Distortion During Live  
Insertion  
1
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
14  
13  
ON  
A1  
A2  
A3  
A4  
A5  
A6  
A7  
A8  
V
CC  
B1  
2
3
B2  
B3  
B4  
B5  
B6  
B7  
B8  
B9  
4
Package Options Include Plastic Shrink  
Small-Outline (DB, DBQ), Small-Outline  
(DW), and Thin Shrink Small-Outline (PW)  
Packages  
5
6
7
8
description  
9
10  
11  
12  
A9  
A10  
GND  
The SN74CBT6800A provides ten bits of  
high-speed TTL-compatible bus switching. The  
low on-state resistance of the switch allows  
bidirectional connections to be made while adding  
near-zero propagation delay. The device also  
precharges the B port to a user-selectable bias  
voltage (BIASV) to minimize live-insertion noise.  
B10  
BIASV  
The SN74CBT6800A is organized as one 10-bit switch with a single enable (ON) input. When ON is low, the  
switch is on and port A is connected to port B. When ON is high, the switch between port A and port B is open.  
When ON is high or V  
is 0 V, B port is precharged to BIASV through the equivalent of a 10-kresistor.  
CC  
The SN74CBT6800A is characterized for operation from –40°C to 85°C.  
FUNCTION TABLE  
INPUT  
FUNCTION  
ON  
L
A port = B port  
A port = Z  
B port = BIASV  
H
logic diagram (positive logic)  
13  
23  
BIASV  
B1  
2
A1  
11  
14  
A10  
ON  
B10  
1
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 1999, 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  

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