HCC40147B Datasheet, PDF (5/12 Pages) STMicroelectronics – 10 TO 4 LINE BCD PRIORITY ENCODER

HCC/HCF40147B
DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb = 25 ^oC, CL = 50 pF, RL = 200 KΩ,
typical temperature coefficent for all VDD values is 03 %/^oC, all input rise and fall times= 20 ns)
Symbol
Parameter
tPLH Propagation Delay Time
tPHL In Phase Output
t_PLH Propagation Delay Time
t_PHL Out of Phase Output
t_TLH Transition Time
t_THL
CI Input Capacitance
Test Conditions
Value
Unit
VDD (V) Min. Typ. Max.
5
450 900
10
200 400
ns
15
150 300
5
425 850
10
175 350
ns
15
125 250
5
100 200
10
50 100
ns
15
40 80
5
7.5
pF
Typical Output Low (source) Current Charac-
teristics
Minimum Output Low (source) Current Charac-
teristics
Typical Output High (source) Current Charac-
teristics
Minimum Output High (source) Current Charac-
teristics
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