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Description
Feb 11, 2014 DSCHG. 6. THR. 2. TRG. 5. CV. 8. VCC. 4. RST. 3. OUT. 74LS04. U1B. 4. 3. 74LS04. U1C. 6. 5. 74LS04. U1A. 2. 1. 74LS221 . U3A. 15. R/C. 14. Feb 19, 2014 1 74LS221 . DIP::16D780Y300. U3. 1 7404. DIP::14D760Y300. U7. 1 7805- TO220. TO::220V3P100. U8. 1 LMC555CMOS. DIP::8D400Y300. Figure 5 shows the purpose of the 74LS221 one-shot. After the count window on the 7208 has been closed (that is, the count enable input has gone high), the
Part Number | 74LS221 |
Brand | Freescale |
Image | ![]() |
74LS221
FREESCL
102000
0.79
HK HEQING ELECTRONICS LIMITED
74LS221
FREECAL
3088
1.35
Shenzhen XinShiJi Trading Co., Ltd
74LS221
Freescale Semiconductor
9267
1.91
MASSTOCK ELECTRONICS LIMITED
74LS221
FREECALE
13472
2.47
Yingxinyuan INT'L (Group) Limited
74LS221
FREESICAL
5000
3.03
Dongguan Jinxinxin Trading Co.,Ltd