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HD74HC125FPEL 参数 Datasheet PDF下载

HD74HC125FPEL图片预览
型号: HD74HC125FPEL
PDF下载: 下载PDF文件 查看货源
内容描述: 四。总线缓冲器·盖茨( 3态输出) [Quad. Bus Buffer Gates (with 3-state outputs)]
分类和应用:
文件页数/大小: 9 页 / 104 K
品牌: RENESAS [ RENESAS TECHNOLOGY CORP ]
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HD74HC125/HD74HC126
Waveforms
HD74HC125
Waveform – 1
tr
90 %
50 %
10 %
t
PLH
90 %
50 %
tf
V
CC
10 %
t
PHL
0V
Input A
V
OH
Output Y
50 %
50 %
V
OL
Waveform – 2
90 %
50 %
tf
tr
90 %
50 %
10 %
t
ZL
10 %
t
LZ
50 %
t
ZH
t
HZ
90 %
V
CC
0V
V
OH
Input C
Waveform - A
10 %
V
OL
V
OH
V
OL
Waveform - B
50 %
Notes : 1. t
r
6 ns, t
f
6 ns
2. Input waveform : PRR
1 MHz, duty cycle 50%
3. Waveform– A is for an output with internal conditions such that the
output is low except when disabled by the output control.
4. Waveform– B is for an output with internal conditions such that the
output is high except when disabled by the output control.
Rev.2.00, Oct 11, 2005 page 5 of 8