Datasheet Texas Instruments SN74HC21DRE4 — 数据表




   
   

SCLS087E -DECEMBER 1982 -REVISED AUGUST 2003 D Wide Operating Voltage Range of 2 V to 6 V
D Outputs Can Drive Up To 10 LSTTL Loads
D Low Power Consumption, 20-ВµA Max ICC SN54HC21 . FK PACKAGE
(TOP VIEW) 14 2 13 3 12 4 11 5 10 6 9 7 8 VCC
2D
2C
NC
2B
2A
2Y NC
NC
1C
NC
1D 4 3 2 1 20 19
18 5 17 6 16 7 15 8 14
9 10 11 12 13 2C
NC
NC
NC
2B 1Y …