欢迎访问ic37.com |
会员登录 免费注册
发布采购

74HCT125D 参数 Datasheet PDF下载

74HCT125D图片预览
型号: 74HCT125D
PDF下载: 下载PDF文件 查看货源
内容描述: 四缓冲器/线路驱动器;三态 [Quad buffer/line driver; 3-state]
分类和应用: 总线驱动器总线收发器逻辑集成电路光电二极管
文件页数/大小: 6 页 / 46 K
品牌: PHILIPS [ NXP SEMICONDUCTORS ]
 浏览型号74HCT125D的Datasheet PDF文件第1页浏览型号74HCT125D的Datasheet PDF文件第2页浏览型号74HCT125D的Datasheet PDF文件第4页浏览型号74HCT125D的Datasheet PDF文件第5页浏览型号74HCT125D的Datasheet PDF文件第6页  
Philips Semiconductors
Product specification
Quad buffer/line driver; 3-state
PIN DESCRIPTION
PIN NO.
1, 4, 10, 13
2, 5, 9, 12
3, 6, 8, 11
7
14
SYMBOL
1OE to 4OE
1A to 4A
1Y to 4Y
GND
V
CC
NAME AND FUNCTION
outputs enable inputs (active LOW)
data inputs
data outputs
ground (0 V)
positive supply voltage
74HC/HCT125
(a)
(b)
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
FUNCTION TABLE
INPUTS
nOE
L
L
H
Note
1. H = HIGH voltage level
L = LOW voltage level
X = don’t care
Z = high impedance OFF-state
nA
L
H
X
OUTPUT
nY
L
H
Z
Fig.4 Functional diagram.
Fig.5 Logic diagram (one buffer).
December 1990
3