- 2
- DM74LS90NX
- Fairchild Semiconductor
- Decade and Binary Counter
- 6页
- 61K
- 3
- DM74LS90N
- Fairchild Semiconductor
- Decade and Binary Counter
- 6页
- 61K
- 4
- DM74LS90MX
- Fairchild Semiconductor
- Decade and Binary Counter
- 6页
- 61K
- 5
- DM74LS90M
- Fairchild Semiconductor
- Decade and Binary Counter
- 6页
- 61K