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74CBTK6800DBQRE4

更新时间： 2024-09-15 12:50:39
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德州仪器 - TI 开关输出元件
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16页 693K
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10-BIT FET BUS SWITCH WITH PRECHARGED OUTPUTS AND ACTIVE-CLAMP UNDERSHOOT-PROTECTION CIRCUIT

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74CBTK6800DBQRE4 数据手册

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SN74CBTK6800  
10-BIT FET BUS SWITCH WITH PRECHARGED OUTPUTS  
AND ACTIVE-CLAMP UNDERSHOOT-PROTECTION CIRCUIT  
SCDS107B – APRIL 2000 – REVISED OCTOBER 2000  
DBQ, DGV, DW, OR PW PACKAGE  
5-Ω Switch Connection Between Two Ports  
(TOP VIEW)  
TTL-Compatible Input Levels  
Power Off Disables Outputs, Permitting  
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  
Outputs Are Precharged by Bias Voltage to  
Minimize Signal Distortion During Live  
Insertion  
4
5
6
Active-Clamp Undershoot-Protection  
Circuit on the I/Os Clamps Undershoots  
Down to –2 V  
7
8
9
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
10  
11  
12  
A9  
A10  
GND  
B10  
BIASV  
ESD Protection Exceeds JESD 22  
– 2000-V Human-Body Model (A114-A)  
– 200-V Machine Model (A115-A)  
– 1000-V Charged-Device Model (C101)  
description  
The SN74CBTK6800 device 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.  
ThedevicealsoprechargestheBporttoauser-selectablebiasvoltage(BIASV)tominimizelive-insertionnoise.  
The A and B ports have an active-clamp undershoot-protection circuit. When there is an undershoot, the  
active-clamp circuit is enabled and current from V  
transistor from turning on.  
is supplied to clamp the output, preventing the pass  
CC  
The SN74CBTK6800 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-kΩ resistor.  
CC  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
Tube  
SN74CBTK6800DW  
SN74CBTK6800DWR  
SN74CBTK6800DBQR  
SN74CBTK6800PWR  
SN74CBTK6800DGVR  
SOIC – DW  
CBTK6800  
Tape and reel  
–40°C to 85°C SSOP (QSOP) – DBQ Tape and reel  
CBTK6800  
BK6800  
TSSOP – PW  
TVSOP – DGV  
Tape and reel  
Tape and reel  
BK6800  
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines  
are available at www.ti.com/sc/package.  
FUNCTION TABLE  
INPUT  
FUNCTION  
ON  
L
A port = B port  
A port = Z  
B port = BIASV  
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 2000, 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  
1234567...16

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74CBTK6800DBQRE4 替代型号

型号 品牌 替代类型 描述 数据表
74CBTK6800DBQRG4 TI

完全替代

 10-BIT FET BUS SWITCH WITH PRECHARGED OUTPUTS AND ACTIVE-CLAMP UNDERSHOOT-PROTECTION CIRCU

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