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SN74CBTK16245DLG4

更新时间： 2024-11-02 05:17:35
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12页 350K
描述
16-BIT FET BUS SWITCH WITH ACTIVE-CLAMP UNDERSHOOT-PROTECTION CIRCUIT

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SN74CBTK16245DLG4 数据手册

 浏览型号SN74CBTK16245DLG4的Datasheet PDF文件第2页浏览型号SN74CBTK16245DLG4的Datasheet PDF文件第3页浏览型号SN74CBTK16245DLG4的Datasheet PDF文件第4页浏览型号SN74CBTK16245DLG4的Datasheet PDF文件第5页浏览型号SN74CBTK16245DLG4的Datasheet PDF文件第6页浏览型号SN74CBTK16245DLG4的Datasheet PDF文件第7页 
SN74CBTK16245  
16-BIT FET BUS SWITCH  
WITH ACTIVE-CLAMP UNDERSHOOT-PROTECTION CIRCUIT  
SCDS105D – APRIL 2000 – REVISED NOVEMBER 2001  
DGG, DGV, OR DL PACKAGE  
Member of the Texas Instruments  
Widebus Family  
(TOP VIEW)  
Standard ’16245-Type Pinout  
5-Ω Switch Connection Between Two Ports  
TTL-Compatible Input Levels  
1
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
NC  
1B1  
1B2  
GND  
1B3  
1B4  
1OE  
1A1  
1A2  
GND  
1A3  
1A4  
2
3
4
I
Supports Partial-Power-Down Mode  
off  
5
Operation  
6
Active-Clamp Undershoot-Protection  
Circuit on the I/Os Clamps Undershoots up  
to –2 V  
7
V
V
CC  
CC  
8
1B5  
1B6  
GND  
1B7  
1B8  
2B1  
2B2  
GND  
2B3  
2B4  
1A5  
1A6  
GND  
1A7  
1A8  
2A1  
2A2  
GND  
2A3  
2A4  
9
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
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  
V
V
The SN74CBTK16245 device provides 16 bits of  
high-speed TTL-compatible bus switching in a  
standard ’16245 device pinout. The low on-state  
resistance of the switch allows connections to be  
made with minimal propagation delay.  
CC  
CC  
2B5  
2B6  
GND  
2B7  
2B8  
NC  
2A5  
2A6  
GND  
2A7  
2A8  
2OE  
The A and B ports have an active-clamp  
undershoot-protection circuit. When there is an  
undershoot, the active-clamp circuit is enabled,  
NC – No internal connection  
and current from V  
is supplied to clamp the  
CC  
output, preventing the pass transistor from  
turning on.  
The device is organized as two 8-bit low-impedance switches with separate output-enable (OE) inputs. When OE is  
low, the switch is on, and data can flow from the A port to the B port, or vice versa. When OE is high, the switch  
is open, and the high-impedance state exists between the two ports.  
This device is fully specified for partial-power-down applications using I . The I circuitry disables the outputs,  
off  
off  
preventing damaging current backflow through the device when it is powered down.  
ORDERING INFORMATION  
ORDERABLE  
PART NUMBER  
TOP-SIDE  
MARKING  
†
PACKAGE  
T
A
Tube  
SN74CBTK16245DL  
SSOP – DL  
CBTK16245  
Tape and reel  
SN74CBTK16245DLR  
SN74CBTK16245DGGR  
SN74CBTK16245DGVR  
–40°C to 85°C  
TSSOP – DGG Tape and reel  
TVSOP – DGV Tape and reel  
CBTK16245  
CP245  
†
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design  
guidelines are available at www.ti.com/sc/package.  
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.  
Copyright 2001, 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...12

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SN74CBTK16245DLG4 替代型号

型号 品牌 替代类型 描述 数据表
SN74CBTK16245DL TI

完全替代

 16-BIT FET BUS SWITCH WITH ACTIVE-CLAMP UNDERSHOOT-PROTECTION CIRCUIT
SN74CBTK16245DLR TI

类似代替

 16-BIT FET BUS SWITCH WITH ACTIVE-CLAMP UNDERSHOOT-PROTECTION CIRCUIT
74CBTK16245DLRG4 TI

功能相似

 16-BIT FET BUS SWITCH WITH ACTIVE-CLAMP UNDERSHOOT-PROTECTION CIRCUIT

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