74LS243 参数 Datasheet PDF下载

型号：	74LS243
PDF下载：	下载PDF文件查看货源
内容描述：	四路总线收发器 [Quadruple Bus Transceiver]
分类和应用：	总线收发器
文件页数/大小：	5 页 / 56 K
品牌：	FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]

Switching Characteristics

at V_CC= 5V, T = 25°C

Symbol

Parameter

Propagation Delay Time

LOW-to-HIGH Level Output

Propagation Delay Time

HIGH-to-LOW Level Output

Output Enable Time

to LOW Level

Conditions

Min

Max

Units

= 45 pF

= 667Ω

= 45 pF

= 667Ω

= 45 pF

= 667Ω

= 45 pF

= 667Ω

= 5 pF

PLH

PHL

PZL

PZH

PLZ

PHZ

PLH

PHL

PZL

PZH

Output Enable Time

to HIGH Level

Output Disable Time

from LOW Level

= 667Ω

= 5 pF

Output Disable Time

from HIGH Level

= 667Ω

= 150 pF

= 667Ω

= 150 pF

= 667Ω

= 150 pF

= 667Ω

= 150 pF

= 667Ω

Propagation Delay Time

LOW-to-HIGH Level Output

Propagation Delay Time

HIGH-to-LOW Level Output

Output Enable Time

to LOW Level

Output Enable Time

to HIGH Level

电子百科

产品导航

74LS243 参数 Datasheet PDF下载

IC37:专业IC行业平台