ZHCSR10E January 1996 – September 2022 SN54HC640 , SN74HC640
PRODUCTION DATA
SNx4HC640 是一款具有三态输出的八路总线收发器。所有八个通道均由方向 (DIR) 引脚和输出使能 OE 引脚控制。
| 器件型号 | 封装 | 封装尺寸(标称值) |
|---|---|---|
| SN54HC640 | J(CDIP,20) | 26.92mm × 6.92mm |
| SN74HC640 | DW(SOIC,20) | 12.80mm × 7.50mm |
| N(PDIP,20) | 25.40mm × 6.35mm | |
| NS (SO, 20) | 15.00mm × 5.30mm | |
| PW(TSSOP,20) | 4.40mm × 6.50mm |
引脚排列