HEC40194BD 查看數據表（PDF） - Philips Electronics
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HEC40194BD Datasheet PDF : 8 Pages
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Philips Semiconductors
4-bit bidirectional universal shift register
Product specification
HEF40194B
MSI
Set-up times
Pn, DSR, DSL → CP
Sn → CP
Hold times
Pn, DSR, DSL → CP
Sn → CP
Minimum clock
pulse width; LOW
Minimum MR
pulse width; LOW
Recovery time
for MR
Maximum clock
pulse frequency
VDD
V
SYMBOL MIN. TYP. MAX.
5
80 40
10 tsu
15
30 15
20 10
5
140 70
10 tsu
15
60 30
40 20
5
10 −30
10 thold
15
5
5 −10
5 −5
25 −45
10 thold
15
15 −15
10 −10
5
50 25
10 tWCPL
15
20 10
20 10
5
80 40
10 tWMRL
15
40 20
30 15
5
30 10
10 tRMR
15
15
5
15
5
5
6 12
10 fmax
15
15 30
20 40
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
TYPICAL EXTRAPOLATION
FORMULA
see also waveforms
Figs 4 and 5
January 1995
6
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