ZHCSPU7G November 1998 – October 2022 CD54HC240 , CD54HC244 , CD54HCT240 , CD54HCT241 , CD54HCT244 , CD74HC240 , CD74HC241 , CD74HC244 , CD74HCT240 , CD74HCT241 , CD74HCT244
PRODUCTION DATA
’HC240 和 ’HCT240 是具有两个低电平有效输出使能端的反相三态缓冲器。CD74HC241、’HCT241、’HC244 和 ’HCT244 都是同相三态缓冲器,区别仅在于 241 具有一个高电平有效和一个低电平有效的输出使能端,而 244 具有两个低电平有效输出使能端。全部三种类型都具有相同的引脚排列。
器件型号 | 封装(1) | 封装尺寸(标称值) |
---|---|---|
CD74HC240 | M(SOIC,20) | 12.80mm × 7.50mm |
E(PDIP,20) | 25.40mm × 6.35mm | |
CD54HC240 | F(CDIP,20) | 26.92mm × 6.92mm |
CD74HCT240 | M(SOIC,20) | 12.80mm × 7.50mm |
E(PDIP,20) | 25.40mm × 6.35mm | |
PW(TSSOP,20) | 6.50mm × 4.40mm | |
CD54HCT240 | F(CDIP,20) | 26.92mm × 6.92mm |
CD74HC241 | M(SOIC,20) | 12.80mm × 7.50mm |
E(PDIP,20) | 25.40mm × 6.35mm | |
CD74HCT241 | M(SOIC,20) | 12.80mm × 7.50mm |
E(PDIP,20) | 25.40mm × 6.35mm | |
CD54HCT241 | F(CDIP,20) | 26.92mm × 6.92mm |
CD74HC244 | M(SOIC,20) | 12.80mm × 7.50mm |
E(PDIP,20) | 25.40mm × 6.35mm | |
CD54HC244 | F(CDIP,20) | 26.92mm × 6.92mm |
CD74HCT244 | M(SOIC,20) | 12.80mm × 7.50mm |
E(PDIP,20) | 25.40mm × 6.35mm | |
CD54HCT244 | F(CDIP,20) | 26.92mm × 6.92mm |