ZHCSQ37F December 1982 – February 2022 SN54HC4020 , SN74HC4020
PRODUCTION DATA
- 1 特性
- 2 说明
- 3 Revision History
- 4 Pin Configuration and Functions
- 5 Specifications
- 6 Parameter Measurement Information
- 7 Detailed Description
- 8 Power Supply Recommendations
- 9 Layout
- 10Device and Documentation Support
- 11Mechanical, Packaging, and Orderable Information
封装选项
请参考 PDF 数据表获取器件具体的封装图。
机械数据 (封装 | 引脚)
- W|16
- J|16
- FK|20
散热焊盘机械数据 (封装 | 引脚)
订购信息
2 说明
’HC4020 器件是 14 级纹波进位二进制计数器，会在时钟脉冲的负边沿触发一次计数。当清零 (CLR) 输入变为高电平时，计数器将独立于时钟 (CLK) 输入复位为零（所有输出为低电平）。
器件信息
| 器件型号 | 封装(1) | 封装尺寸（标称值） |
|---|---|---|
| SN74HC4020D | SOIC (16) | 9.90mm × 3.90mm |
| SN74HC4020N | PDIP (16) | 19.31mm × 6.35mm |
| SN74HC4020NS | SO (16) | 6.20mm × 5.30mm |
| SN74HC4020PW | TSSOP (16) | 5.00mm × 4.40mm |
| SN54HC4020J | CDIP (16) | 24.38mm × 6.92mm |
| SNJ54HC4020FK | LCCC (20) | 8.89mm × 8.45mm |
| SNJ54HC4020W | CFP (16) | 10.16mm × 6.73mm |
(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。
功能方框图