Datasheet Texas Instruments SN54HC640J — 数据表




  
 


 
 
SCLS303D -JANUARY 1996 -REVISED AUGUST 2003 D Wide Operating Voltage Range of 2 V to 6 V
D High-Current 3-State Outputs Can Drive Up D
D
D
D To 15 LSTTL Loads D Low Power Consumption, 80-ВµA Max ICC Typical tpd = 8 ns
В±6-mA Output Drive at 5 V
Low Input Current of 1 ВµA Max
Inverting Logic 1 20 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 A2
A1
DIR
VCC VCC
OE
B1
B2
B3
B4
B5
B6
B7
B8 A3 …