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SN74LVCH162244A_14

更新时间： 2024-09-15 02:58:47
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德州仪器 - TI /
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11页 176K
描述
16-Bit Buffer/Driver with 3-State Outputs

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SN74LVCH162244A_14 数据手册

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SN74LVCH162244A  
16-BIT BUFFER/DRIVER  
WITH 3-STATE OUTPUTS  
www.ti.com  
SCAS545K–OCTOBER 1995–REVISED MARCH 2005  
FEATURES  
DL, DGG, OR DGV PACKAGE  
(TOP VIEW)  
•
Member of the Texas Instruments Widebus™  
Family  
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48  
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29  
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27  
26  
25  
1OE  
1Y1  
1Y2  
GND  
1Y3  
1Y4  
2OE  
1A1  
1A2  
GND  
1A3  
1A4  
•
•
•
•
Operates From 1.65 V to 3.6 V  
Inputs Accept Voltages to 5.5 V  
Max tpd of 4.4 ns at 3.3 V  
2
3
4
Output Ports Have Equivalent 26-Ω Series  
Resistors, So No External Resistors Are  
Required  
5
6
7
V
CC  
V
CC  
•
•
•
•
Typical VOLP (Output Ground Bounce) < 0.8 V  
at VCC = 3.3 V, TA = 25°C  
8
2Y1  
2Y2  
GND  
2Y3  
2Y4  
3Y1  
3Y2  
GND  
3Y3  
3Y4  
2A1  
2A2  
GND  
2A3  
2A4  
3A1  
3A2  
GND  
3A3  
3A4  
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14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
Typical VOHV (Output VOH Undershoot) > 2 V  
at VCC = 3.3 V, TA = 25°C  
Ioff Supports Partial-Power-Down Mode  
Operation  
Supports Mixed-Mode Signal Operation on All  
Ports (5-V Input/Output Voltage With  
3.3-V VCC  
)
•
•
•
Bus Hold on Data Inputs Eliminates the Need  
for External Pullup/Pulldown Resistors  
V
CC  
V
CC  
4Y1  
4Y2  
GND  
4Y3  
4Y4  
4OE  
4A1  
4A2  
GND  
4A3  
4A4  
3OE  
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)  
– 1000-V Charged-Device Model (C101)  
DESCRIPTION/ORDERING INFORMATION  
This 16-bit buffer/driver is designed for 1.65-V to 3.6-V VCC operation.  
The SN74LVCH162244A is designed specifically to improve both the performance and density of 3-state memory  
address drivers, clock drivers, and bus-oriented receivers and transmitters. The device can be used as four 4-bit  
buffers, two 8-bit buffers, or one 16-bit buffer. It provides true outputs and symmetrical active-low output-enable  
(OE) inputs.  
ORDERING INFORMATION  
TA  
PACKAGE(1)  
ORDERABLE PART NUMBER  
SN74LVCH162244ADL  
TOP-SIDE MARKING  
Tube  
SSOP – DL  
LVCH162244A  
Tape and reel  
SN74LVCH162244ADLR  
SN74LVCH162244AGR  
SN74LVCH162244AVR  
–40°C to 85°C  
TSSOP – DGG  
TVSOP – DGV  
Tape and reel  
Tape and reel  
LVCH162244A  
LN2244A  
(1) 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.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 1995–2005, 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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