MC14043B, MC14044B
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ SWITCHING CHARACTERISTICS (Note 5) (CL = 50 pF, TA = 25_C)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Characteristic
VDD
Symbol
Vdc
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Output Rise Time
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH = (1.35 ns/pF) CL + 32.5 ns
tTLH = (0.60 ns/pF) CL + 20 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTLH = (0.40 ns/pF) CL + 20 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Output Fall Time
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTHL = (1.35 ns/pF) CL + 32.5 ns
tTHL = (0.60 ns/pF) CL + 20 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tTHL = (0.40 ns/pF) CL + 20 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Propagation Delay Time
tPLH = (0.90 ns/pF) CL + 130 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH = (0.36 ns/pF) CL + 57 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPLH = (0.26 ns/pF) CL + 47 ns
tPHL = (0.90 ns/pF) CL + 130 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL = (0.90 ns/pF) CL + 57 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ tPHL = (0.26 ns/pF) CL + 47 ns
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Set, Set Pulse Width
tTLH
5.0
10
15
tTHL
5.0
10
15
tPLH
5.0
10
15
tPHL
5.0
10
15
tW
5.0
10
15
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Reset, Reset Pulse Width
tW
5.0
10
15
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Three−State Enable/Disable Delay
tPLZ,
5.0
tPHZ,
10
tPZL,
15
tPZH
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ 5. The formulas given are for the typical characteristics only at 25_C.
Typ
Min
(Note 6)
Max
Unit
ns
−
100
200
−
50
100
−
40
80
ns
−
100
200
−
50
100
−
40
80
ns
−
175
350
−
75
175
−
60
120
−
175
350
ns
−
75
175
−
60
120
200
80
100
40
70
30
−
ns
−
−
200
80
100
40
70
30
−
ns
−
−
−
150
300
ns
−
80
160
−
55
110
6. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
AC WAVEFORMS
MC14043B
20 ns
90%
SET 10%
20 ns
RESET
50% 90%
10%
tTHL
Q
10%
tPHL
20 ns
VDD
50%
VSS
20 ns
VDD
VSS
tTLH
90%
VOH
50%
VOL
tPLH
20 ns
SET 50%
RESET
Q
MC14044B
20 ns
90%
10%
20 ns
50%
tTLH
50%
90%
tPLH
VDD
VSS
20 ns
90% VDD
10%
VSS
tTHL
VOH
10%
VOL
tPHL
http://onsemi.com
4