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SN74LVC1G32DCKR 数据手册 - TI（德州仪器）
制造商:
TI（德州仪器）
分类:
逻辑芯片
封装:
SC-70-5
描述:
TEXAS INSTRUMENTS SN74LVC1G32DCKR 或门, LVC系列, 1门, 2输入, 32 mA, 1.65V至5.5V, SC-70-5
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SN74LVC1G32DCKR数据手册
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V
CC
Unused Input
Input
Output Output
Input
Unused Input
Frequency - MHz
Icc - mA
-20 0 20 40 60 80
-2
0
2
4
6
8
10
D003
Icc 1.8V
Icc 2.5V
Icc 3.3V
Icc 5V
SN74LVC1G32
SCES219V –APRIL 1999–REVISED AUGUST 2015
www.ti.com
Typical Application (continued)
9.2.3 Application Curves
Figure 5. I
CC
vs Frequency
10 Power Supply Recommendations
The power supply can be any voltage between the min and max supply voltage rating located in the
Recommended Operating Conditions table.
Each VCC pin should have a good bypass capacitor to prevent power disturbance. For devices with a single
supply, a 0.1-μF capacitor is recommended. If there are multiple VCC pins, then a 0.01-μF or 0.022-μF capacitor
is recommended for each power pin. It is ok to parallel multiple bypass capacitors to reject different frequencies
of noise. A 0.1-μF and 1-μF capacitors are commonly used in parallel. The bypass capacitor should be installed
as close to the power pin as possible for best results.
11 Layout
11.1 Layout Guidelines
When using multiple bit logic devices inputs should not ever float.
In many cases, functions or parts of functions of digital logic devices are unused; for example, when only two
inputs of a triple-input AND gate are used, or only 3 of the 4 buffer gates are used. Such input pins should not be
left unconnected because the undefined voltages at the outside connections result in undefined operational
states.
Specified in Layout Example are the rules that must be observed under all circumstances. All unused inputs of
digital logic devices must be connected to a high or low bias to prevent them from floating. The logic level that
should be applied to any particular unused input depends on the function of the device. Generally they will be
tied to GND or VCC, whichever make more sense or is more convenient.
11.2 Layout Example
12 Submit Documentation Feedback Copyright © 1999–2015, Texas Instruments Incorporated
Product Folder Links: SN74LVC1G32
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