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SN74AVC16244AZQLR

更新时间： 2024-09-29 13:01:39
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德州仪器 - TI 总线驱动器总线收发器逻辑集成电路输出元件
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SN74AVC16244AZQLR 数据手册

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SN74AVC16244  
16-BIT BUFFER/DRIVER  
WITH 3-STATE OUTPUTS  
www.ti.com  
SCES141N–JULY 1998–REVISED MARCH 2005  
FEATURES  
•
•
•
•
Overvoltage-Tolerant Inputs/Outputs Allow  
Mixed-Voltage-Mode Data Communications  
•
Member of the Texas Instruments Widebus™  
Family  
Ioff Supports Partial-Power-Down Mode  
Operation  
•
DOC™ (Dynamic Output Control) Circuit  
Dynamically Changes Output Impedance,  
Resulting in Noise Reduction Without Speed  
Degradation  
Latch-Up Performance Exceeds 100 mA Per  
JESD 78, Class II  
ESD Protection Exceeds JESD 22  
– 2000-V Human-Body Model (A114-A)  
– 200-V Machine Model (A115-A)  
•
•
Less Than 2-ns Maximum Propagation Delay  
at 2.5-V and 3.3-V VCC  
Dynamic Drive Capability Is Equivalent to  
Standard Outputs With IOH and IOL of ±24 mA  
at 2.5-V VCC  
DESCRIPTION/ORDERING INFORMATION  
A Dynamic Output Control (DOC) circuit is implemented, which, during the transition, initially lowers the output  
impedance to effectively drive the load and, subsequently, raises the impedance to reduce noise. Figure 1 shows  
typical VOL vs IOL and VOH vs IOH curves to illustrate the output impedance and drive capability of the circuit. At  
the beginning of the signal transition, the DOC circuit provides a maximum dynamic drive that is equivalent to a  
high-drive standard-output device. For more information, refer to the TI application reports, AVC Logic Family  
Technology and Applications, literature number SCEA006, and Dynamic Output Control (DOC™) Circuitry  
Technology and Applications, literature number SCEA009.  
3.2  
T
A
= 25°C  
T
A
= 25°C  
Process = Nominal  
Process = Nominal  
2.8  
2.4  
2.0  
2.8  
2.4  
2.0  
V
CC  
= 3.3 V  
1.6  
1.2  
0.8  
0.4  
1.6  
1.2  
0.8  
0.4  
V
CC  
= 2.5 V  
V
CC  
= 1.8 V  
V
CC  
= 3.3 V  
V
CC  
= 2.5 V  
V
CC  
= 1.8 V  
0
17  
34  
51  
68  
85 102 119 136 153 170  
-160 -144 -128 -112 -96 -80 -64 -48 -32 -16  
- Output Current - mA  
0
I
- Output Current - mA  
I
OH  
OL  
Figure 1. Output Voltage vs Output Current  
ORDERING INFORMATION  
TA  
PACKAGE(1)  
Tape and reel  
ORDERABLE PART NUMBER  
TOP-SIDE MARKING  
AVC16244  
TSSOP – DGG  
SN74AVC16244DGGR  
SN74AVC16244DGVR  
SN74AVC16244GQLR  
SN74AVC16244ZQLR  
TVSOP – DGV  
Tape and reel  
CVA244  
–40°C to 85°C  
VFBGA – GQL  
Tape and reel  
CVA244  
VFBGA – ZQL (Pb-free)  
(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, DOC are trademarks of Texas Instruments.  
PRODUCTION DATA information is current as of publication date.  
Copyright © 1998–2005, 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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