HEF4516B 查看數據表（PDF） - Philips Electronics
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HEF4516B Datasheet PDF : 10 Pages
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Philips Semiconductors
Binary up/down counter
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL MIN. TYP. MAX.
Output transition times
HIGH to LOW
LOW to HIGH
5
10
tTHL
15
5
10
tTLH
15
60 120 ns
30 60 ns
20 40 ns
60 120 ns
30 60 ns
20 40 ns
Product specification
HEF4516B
MSI
TYPICAL
EXTRAPOLATION
FORMULA
10 ns + (1,0 ns/pF) CL
9 ns + (0,42 ns/pF) CL
6 ns + (0,28 ns/pF) CL
10 ns + (1,0 ns/pF) CL
9 ns + (0,42 ns/pF) CL
6 ns + (0,28 ns/pF) CL
January 1995
7
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