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SN74LVCHR16245A_16

更新时间： 2024-02-28 16:06:27
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德州仪器 - TI /
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19页 606K
描述
16-Bit Bus Transceiver With 3-State Outputs

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SN74LVCHR16245A_16 数据手册

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SN74LVCHR16245A  
16-BIT BUS TRANSCEIVER  
WITH 3-STATE OUTPUTS  
www.ti.com  
SCAS582P–NOVEMBER 1996–REVISED DECEMBER 2005  
FEATURES  
DGG, DGV, OR DL PACKAGE  
(TOP VIEW)  
•
Member of the Texas Instruments Widebus™  
Family  
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  
1DIR  
1B1  
1B2  
GND  
1B3  
1B4  
1OE  
1A1  
1A2  
GND  
1A3  
1A4  
•
•
•
•
Operates From 1.65 V to 3.6 V  
Inputs Accept Voltages to 5.5 V  
Max tpd of 4.8 ns at 3.3 V  
2
3
4
Typical VOLP (Output Ground Bounce)  
<0.8 V at VCC = 3.3 V, TA = 25°C  
5
6
•
•
Typical VOHV (Output VOH Undershoot)  
>2 V at VCC = 3.3 V, TA = 25°C  
7
V
CC  
V
CC  
8
1B5  
1B6  
GND  
1B7  
1B8  
2B1  
2B2  
GND  
2B3  
2B4  
1A5  
1A6  
GND  
1A7  
1A8  
2A1  
2A2  
GND  
2A3  
2A4  
9
Supports Mixed-Mode Signal Operation on All  
Ports (5-V Input/Output Voltage  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
With 3.3-V VCC  
)
•
•
Bus Hold on Data Inputs Eliminates the Need  
for External Pullup/Pulldown Resistors  
All Outputs Have Equivalent 26-Ω Series  
Resistors, So No External Resistors Are  
Required  
•
•
•
Ioff Supports Partial-Power-Down Mode  
Operation  
V
CC  
V
CC  
2B5  
2B6  
GND  
2B7  
2B8  
2DIR  
2A5  
2A6  
GND  
2A7  
2A8  
2OE  
Latch-Up Performance Exceeds 250 mA Per  
JESD 17  
ESD Protection Exceeds JESD 22  
– 2000-V Human-Body Model (A114-A)  
– 200-V Machine Model (A115-A)  
DESCRIPTION/ORDERING INFORMATION  
This 16-bit (dual-octal) noninverting bus transceiver is designed for 1.65-V to 3.6-V VCC operation.  
The SN74LVCHR16245A is designed for asynchronous communication between data buses. The  
control-function implementation minimizes external-timing requirements.  
ORDERING INFORMATION  
TA  
PACKAGE(1)  
ORDERABLE PART NUMBER  
74LVCHR16245AGRDR  
74LVCHR16245AZRDR  
SN74LVCHR16245ALR  
74LVCHR16245ALRG4  
SN74LVCHR16245AGR  
74LVCHR16245AGRG4  
SN74LVCHR16245AVR  
74LVCHR16245AVRE4  
SN74LVCHR16245AKR  
74LVCHR16245AZQLR  
TOP-SIDE MARKING  
LR245A  
FBGA – GRD  
Tape and reel  
Tape and reel  
Tape and reel  
Tape and reel  
Tape and reel  
FBGA – ZRD (Pb-free)  
SSOP – DL  
LVCHR16245A  
LVCHR16245A  
LDR245A  
TSSOP – DGG  
TVSOP – DGV  
–40°C to 85°C  
VFBGA – GQL  
LR245A  
VFBGA – ZQL (Pb-free)  
(1) Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines areavailable 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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 1996–2005, Texas Instruments Incorporated  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
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