ZHCSPR7E November 1998 – October 2022 CD54HC374 , CD54HC574 , CD54HCT374 , CD54HCT574 , CD74HC374 , CD74HC574 , CD74HCT374 , CD74HCT574
PRODUCTION DATA
2 说明
’HC374、’HCT374、’HC574 和 ’HCT574 是八路 D 型触发器，具有三态输出，能够驱动 15 个 LSTTL 负载。八个边沿触发式触发器在时钟 (CP) 从低电平向高电平转换时将数据输入其寄存器。输出使能端 (OE) 控制三态输出，不受寄存器操作的影响。当 OE 为高电平时，输出处于高阻态。374 和 574 功能相同，只是引脚排列方式不同。
器件信息
| 器件型号 | 封装(1) | 封装尺寸（标称值） |
|---|---|---|
| CD54HC374F3A | CDIP (20) | 26.92mm × 6.92mm |
| CD54HC574F | CDIP (20) | 26.92mm × 6.92mm |
| CD54HCT374F3A | CDIP (20) | 26.92mm × 6.92mm |
| CD54HCT574F | CDIP (20) | 26.92mm × 6.92mm |
| CD74HC374M | SOIC (20) | 12.80mm × 7.50mm |
| CD74HC574M | SOIC (20) | 12.80mm × 7.50mm |
| CD74HCT374M | SOIC (20) | 12.80mm × 7.50mm |
| CD74HCT574M | SOIC (20) | 12.80mm × 7.50mm |
| CD74HC374E | PDIP (20) | 25.40mm × 6.35mm |
| CD74HC574E | PDIP (20) | 25.40mm × 6.35mm |
| CD74HCT374E | PDIP (20) | 25.40mm × 6.35mm |
| CD74HCT574E | PDIP (20) | 25.40mm × 6.35mm |
| CD74HCT574PWR | TSSOP (20) | 6.50mm × 4.40mm |
(1) 如需了解所有可用封装，请参阅数据表末尾的可订购米6体育平台手机版_好二三四附录。
功能图