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HD74LS640P 参数 Datasheet PDF下载

HD74LS640P图片预览
型号: HD74LS640P
PDF下载: 下载PDF文件 查看货源
内容描述: 八路总线收发器(倒3态输出) [Octal Bus Transceivers (inverted 3-state outputs)]
分类和应用: 总线收发器
文件页数/大小: 7 页 / 80 K
品牌: RENESAS [ RENESAS TECHNOLOGY CORP ]
 浏览型号HD74LS640P的Datasheet PDF文件第1页浏览型号HD74LS640P的Datasheet PDF文件第2页浏览型号HD74LS640P的Datasheet PDF文件第3页浏览型号HD74LS640P的Datasheet PDF文件第4页浏览型号HD74LS640P的Datasheet PDF文件第6页浏览型号HD74LS640P的Datasheet PDF文件第7页  
HD74LS640
Waveforms 2
t
THL
G
90 %
1.3 V
3V
10 %
t
ZL
Waveform-a
S
1
close
S
2
open
t
ZH
Waveform-b
S
1
open
S
2
close
1.3 V
~0V
~
~ 4.5 V
~
1.3 V
V
OL
V
OH
t
HZ
t
LZ
S
1,
S
2
close
0.5 V
V
OL
V
OH
0.5 V ~
~ 1.5 V
S
1,
S
2
close
~ 1.5 V
~
0V
10 %
t
TLH
90 %
1.3 V
0V
3V
Notes:
1. Input pulse: t
TLH
15 ns, t
THL
6 ns, PRR = 1 MHz, duty cycle 50%
2. Waveform a is an output by internal conditions like "L" except for the case where an output is
disabled by output control.
3. Waveform b is an output by internal conditions like "H" except for the case where an output is
disabled by output control.
Rev.2.00, Feb.18.2005, page 5 of 6