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SN74CBTK6800DWRE4 데이터시트(PDF) 1 Page - Texas Instruments

부품명 SN74CBTK6800DWRE4
상세설명  10-BIT FET BUS SWITCH WITH PRECHARGED OUTPUTS AND ACTIVE-CLAMP UNDERSHOOT-PROTECTION CIRCUIT
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제조업체  TI1 [Texas Instruments]
홈페이지  http://www.ti.com
Logo TI1 - Texas Instruments

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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
1
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
D 5-Ω Switch Connection Between Two Ports
D TTL-Compatible Input Levels
D Power Off Disables Outputs, Permitting
Live Insertion
D Outputs Are Precharged by Bias Voltage to
Minimize Signal Distortion During Live
Insertion
D Active-Clamp Undershoot-Protection
Circuit on the I/Os Clamps Undershoots
Down to –2 V
D Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
D 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.
The device also precharges the B port to a user-selectable bias voltage (BIASV) to minimize live-insertion noise.
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 VCC is supplied to clamp the output, preventing the pass
transistor from turning on.
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 VCC is 0 V, B port is precharged to BIASV through the equivalent of a 10-kΩ resistor.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
SOIC
DW
Tube
SN74CBTK6800DW
CBTK6800
SOIC – DW
Tape and reel
SN74CBTK6800DWR
CBTK6800
–40
°C to 85°C
SSOP (QSOP) – DBQ
Tape and reel
SN74CBTK6800DBQR
CBTK6800
TSSOP – PW
Tape and reel
SN74CBTK6800PWR
BK6800
TVSOP – DGV
Tape and reel
SN74CBTK6800DGVR
BK6800
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines
are available at www.ti.com/sc/package.
FUNCTION TABLE
INPUT
ON
FUNCTION
L
A port = B port
H
A port = Z
B port = BIASV
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.
DBQ, DGV, DW, OR PW PACKAGE
(TOP VIEW)
ON
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
GND
VCC
B1
B2
B3
B4
B5
B6
B7
B8
B9
B10
BIASV
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
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.


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