
Philips Semiconductors
4-bit universal shift register
AC CHARACTERISTICS
VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns
VDD
V
SYMBOL MIN. TYP. MAX.
Set-up times
J, K → CP
Pn → CP
PE → CP
Hold times
J, K → CP
Pn → CP
PE → CP
Minimum clock
pulse width; LOW
Minimum MR
pulse width; HIGH
Recovery time
for MR
Maximum clock
pulse frequency
5
10
tsu
15
5
10
tsu
15
5
10
tsu
15
5
10
thold
15
5
10
thold
15
5
10
thold
15
5
10
tWCPL
15
5
10
tWMRL
15
5
10
tRMR
15
5
10
fmax
15
70 35
20 10
10
5
85 40
25 10
10
5
115 55
45 20
30 15
15 −20
5 −5
0 −5
20 −25
10 −5
0 −5
10 −50
5 −20
5 −10
60 30
25 10
20 10
100 50
40 20
30 15
30 10
15
5
15
5
5 10
14 28
19 39
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
Product specification
HEF40195B
MSI
see also waveforms
Figs 4 and 5
January 1995
6