ZHCSQA2E December 1982 – March 2022 SN54HC4040 , SN74HC4040
PRODUCTION DATA
请参考 PDF 数据表获取器件具体的封装图。
’HC4040 器件是 12 级异步二进制计数器,可从外部获得所有级的输出。将清零 (CLR) 输入设为高电平,以对计数器进行异步清零并将所有输出重置为低电平。在时钟 (CLK) 输入从高电平转换到低电平时,计数提前。应用包括延时电路、计数器控制和分频电路。
器件型号 | 封装(1) | 封装尺寸(标称值) |
---|---|---|
SN74HC4040D | SOIC (16) | 9.90mm × 3.90mm |
SN74HC4040N | PDIP (16) | 19.31mm × 6.35mm |
SN74HC4040NS | SO (16) | 6.20mm × 5.30mm |
SN74HC4040PW | TSSOP (16) | 5.00mm × 4.40mm |
SN54HC4040J | CDIP (16) | 24.38mm × 6.92mm |
SNJ54HC4040FK | LCCC (20) | 8.89mm × 8.45mm |
SNJ54HC4040W | CFP (16) | 10.16mm × 6.73mm |