HEF40193B データシートの表示（PDF） - Philips Electronics
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HEF40193B Datasheet PDF : 9 Pages
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Philips Semiconductors
4-bit up/down binary counter
Product specification
HEF40193B
MSI
LOW to HIGH
VDD
V
SYMBOL MIN. TYP. MAX.
TYPICAL EXTRAPOLATION
FORMULA
5
10 tPLH
15
145 290 ns 118 ns + (0,55 ns/pF) CL
60 120 ns 49 ns + (0,23 ns/pF) CL
45 90 ns 37 ns + (0,16 ns/pF) CL
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
Set-up time
Pn → PL
Hold time
Pn → PL
Minimum CPU or CPD
pulse width; LOW
Minimum MR
pulse width; HIGH
Minimum PL
pulse width; LOW
Recovery time
for MR
Recovery time
for PL
Maximum clock
pulse frequency
5
10
tTHL
15
5
10
tTLH
15
5
10
tsu
15
5
10
thold
15
5
10
tWCPL
15
5
10
tWMRH
15
5
10
tWPLL
15
5
10
tRMR
15
5
10
tRPL
15
5
10
fmax
15
60
30
20
60
30
20
160 80
60 30
50 25
10 −70
5 −25
5 −20
150 75
50 25
35 20
180 90
70 35
60 30
120 60
45 20
30 15
125 65
70 35
50 25
90 45
35 15
25 10
2,5 5
7 14
9 18
120 ns
60 ns
40 ns
120 ns
60 ns
40 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
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
see also waveforms
Fig.6
January 1995
7
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