ZHCSQV5B November 1998 – July 2022 CD54HC245 , CD54HCT245 , CD74HC245 , CD74HCT245
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)
- N|20
- DW|20
散热焊盘机械数据 (封装 | 引脚)
订购信息
6 Parameter Measurement Information
tpd is the maximum between tPLH and tPHL
tt is the maximum between tTLH and tTHL
Figure 6-1 HC transition times and
propagation delay times, combination logic
Figure 6-3 HC three-state propagation
delay waveform
Figure 6-2 HCT transition times and
propagation delay times, combination logic
Figure 6-4 HCT three-state
propagation delay waveform
Figure 6-5 HC and HCT three-state
propagation delay test circuit