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SN74CBT16811C PDF预览

SN74CBT16811C

更新时间: 2024-11-06 05:17:35
品牌 Logo 应用领域
德州仪器 - TI 开关输出元件
页数 文件大小 规格书
11页 188K
描述
24-BIT FET BUS SWITCH WITH PRECHARGED OUTPUTS 5-V BUS SWITCH WITH-2-V UNDERSHOOT PROTECTION

SN74CBT16811C 数据手册

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ꢀꢁꢂ ꢃ ꢄ ꢅꢆ ꢇꢈ ꢉꢇꢇꢄ  
ꢊ ꢃ ꢋꢅꢌ ꢆ ꢍ ꢎꢆ ꢅꢏꢀ ꢀꢐ ꢌ ꢆꢄ ꢑ ꢐ ꢌꢆ ꢑ ꢒꢓꢎ ꢄꢑꢔꢓ ꢕꢎ ꢖ ꢗ ꢏꢆ ꢒ ꢏꢆꢀ  
ꢘ ꢋꢙ ꢅꢏꢀ ꢀꢐ ꢌ ꢆꢄ ꢑ ꢐ ꢌꢆ ꢑ ꢚ ꢊ ꢋꢙ ꢏꢁꢖ ꢎꢓꢀꢑ ꢗꢗ ꢆ ꢒꢓ ꢗ ꢆꢎ ꢄꢆ ꢌꢗ ꢁ  
SCDS118C − JANUARY 2003 − REVISED OCTOBER 2003  
DGG, DGV, OR DL PACKAGE  
(TOP VIEW)  
D
D
D
Member of the Texas Instruments  
WidebusFamily  
Undershoot Protection for Off-Isolation on  
A and B Ports Up To −2 V  
1
56  
55  
54  
53  
52  
51  
50  
49  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
BIASV  
1A1  
1OE  
2OE  
1B1  
1B2  
1B3  
1B4  
1B5  
GND  
1B6  
1B7  
1B8  
1B9  
1B10  
1B11  
1B12  
2B1  
2B2  
2B3  
GND  
2B4  
2B5  
2B6  
2B7  
2B8  
2B9  
2B10  
2B11  
2B12  
2
3
B-Port Outputs Are Precharged by Bias  
Voltage (BIASV) to Minimize Signal  
Distortion During Live Insertion and  
Hot-Plugging  
1A2  
4
1A3  
5
1A4  
6
1A5  
7
1A6  
D
D
D
D
Supports PCI Hot Plug  
8
GND  
1A7  
Bidirectional Data Flow, With Near-Zero  
Propagation Delay  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
1A8  
1A9  
1A10  
1A11  
1A12  
2A1  
Low ON-State Resistance (r  
)
on  
Characteristics (r = 3 Typical)  
on  
Low Input/Output Capacitance Minimizes  
Loading and Signal Distortion  
(C  
= 5.5 pF Typical)  
io(OFF)  
D
D
Data and Control Inputs Provide  
Undershoot Clamp Diodes  
2A2  
V
CC  
Low Power Consumption  
2A3  
GND  
2A4  
2A5  
2A6  
2A7  
2A8  
2A9  
(I  
= 3 µA Max)  
CC  
D
V
Operating Range From 4 V to 5.5 V  
CC  
D
Data I/Os Support 0 to 5-V Signaling Levels  
(0.8-V, 1.2-V, 1.5-V, 1.8-V, 2.5-V, 3.3-V, 5-V)  
D
D
D
D
Control Inputs Can Be Driven by TTL or  
5-V/3.3-V CMOS Outputs  
I
Supports Partial-Power-Down Mode  
off  
2A10  
2A11  
2A12  
Operation  
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
ESD Performance Tested Per JESD 22  
− 2000-V Human-Body Model  
(A114-B, Class II)  
− 1000-V Charged-Device Model (C101)  
D
Supports Both Digital and Analog  
Applications: PCI Interface, Memory  
Interleaving, Bus Isolation, Low-Distortion  
Signal Gating  
description/ordering information  
The SN74CBT16811C is a high-speed TTL-compatible FET bus switch with low ON-state resistance (r ),  
on  
allowing for minimal propagation delay. Active Undershoot-Protection Circuitry on the A and B ports of the  
SN74CBT16811C provides protection for undershoot up to −2 V by sensing an undershoot event and ensuring  
that the switch remains in the proper OFF state. The device also precharges the B port to a user-selectable bias  
voltage (BIASV) to minimize live-insertion noise.  
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.  
Widebus is a trademark of Texas Instruments.  
ꢆꢦ  
Copyright 2003, Texas Instruments Incorporated  
ꢢ ꢦ ꢣ ꢢꢛ ꢜꢰ ꢞꢝ ꢡ ꢩꢩ ꢧꢡ ꢟ ꢡ ꢠ ꢦ ꢢ ꢦ ꢟ ꢣ ꢫ  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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