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74LCX16244MTDX 参数 Datasheet PDF下载

74LCX16244MTDX图片预览
型号: 74LCX16244MTDX
PDF下载: 下载PDF文件 查看货源
内容描述: 低电压16位缓冲器/线路与5V容限输入和输出驱动器 [Low Voltage 16-Bit Buffer/Line Driver with 5V Tolerant Inputs and Outputs]
分类和应用: 总线驱动器总线收发器
文件页数/大小: 10 页 / 124 K
品牌: FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
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74LCX16244
AC LOADING and WAVEFORMS
Generic for LCX Family
FIGURE 1. AC Test Circuit (C
L
includes probe and jig capacitance)
Test
t
PLH
, t
PHL
t
PZL
, t
PLZ
t
PZH
,t
PHZ
Switch
Open
6V at V
CC
3.3
r
0.3V
V
CC
x 2 at V
CC
2.5
r
0.2V
GND
Waveform for Inverting and Non-Inverting Functions
3-STATE Output High Enable and
Disable Times for Logic
Propagation Delay. Pulse Width and t
rec
Waveforms
Setup Time, Hold Time and Recovery Time for Logic
3-STATE Output Low Enable and
Disable Times for Logic
FIGURE 2. Waveforms
(Input Characteristics; f =1MHz, t
R
= t
F
= 3ns)
Symbol
V
mi
V
mo
V
x
V
y
V
CC
3.3V
r
0.3V
1.5V
1.5V
V
OL

0.3V
V
OH

0.3V
2.7V
1.5V
1.5V
V
OL

0.3V
V
OH

0.3V
t
rise
and t
fall
2.5V
r
0.2V
V
CC
/2
V
CC
/2
V
OL

0.15V
V
OH

0.15V
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