MC14528 Просмотр технического описания (PDF) - ON Semiconductor
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MC14528 Datasheet PDF : 12 Pages
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MC14528B
SWITCHING CHARACTERISTICS (8.) (CL = 50 pF, TA = 25_C)
Characteristic
CX
Symbol
pF
RX
VDD
kΩ
Vdc
Min Typ (9.) Max Unit
Output Rise and Fall Time
tTLH, tTHL = (1.5 ns/pF) CL + 25 ns
tTLH, tTHL = (0.75 ns/pF) CL + 12.5 ns
tTLH, tTHL = (0.55 ns/pF) CL + 9.5 ns
Turn–Off, Turn–On Delay Time — A or B to Q or Q
tPLH, tPHL = (1.7 ns/pF) CL + 240 ns
tPLH, tPHL = (0.66 ns/pF) CL + 87 ns
tPLH, tPHL = (0.5 ns/pF) CL + 65 ns
Turn–Off, Turn–On Delay Time — A or B to Q or Q
tPLH, tPHL = (1.7 ns/pF) CL + 620 ns
tPLH, tPHL = (0.66 ns/pF) CL + 257 ns
tPLH, tPHL = (0.5 ns/pF) CL + 185 ns
Input Pulse Width — A or B
tTLH,
tTHL
tPLH,
tPHL
tPLH,
tPHL
tWH
—
—
15
5.0
1000
10
15
5.0
ns
5.0
—
100
200
10
—
50
100
15
—
40
80
ns
5.0
—
325
650
10
—
120
240
15
—
90
180
ns
5.0
—
705
—
10
—
290
—
15
—
210
—
5.0
150
70
10
75
30
15
55
30
—
ns
—
—
tWL
1000
10
5.0
—
70
—
ns
10
—
30
—
15
—
30
—
Output Pulse Width — Q or Q
(For CX < 0.01 µF use graph for
appropriate VDD level.)
Output Pulse Width — Q or Q
(For CX > 0.01 µF use formula:
tW = 0.2 RX CX Ln [VDD – VSS]) (6.)
Pulse Width Match between Circuits in the same
package
tW
15
5.0
5.0
—
550
—
ns
10
—
350
—
15
—
300
—
tW
10,000 10
5.0
15
30
45
µs
10
10
50
90
15
15
55
95
t1 – t2 10,000 10
5.0
—
6.0
25
%
10
—
8.0
35
15
—
8.0
35
Reset Propagation Delay — Reset to Q or Q
tPLH,
tPHL
15
5.0
5.0
—
325
600
ns
10
—
90
225
15
—
60
170
1000
10
5.0
—
1000
—
ns
10
—
300
—
15
—
250
—
Retrigger Time
trr
15
5.0
5.0
0
—
—
ns
10
0
—
—
15
0
—
—
1000
10
5.0
0
10
0
15
0
—
—
ns
—
—
—
—
External Timing Resistance
RX
—
—
—
5.0
—
1000
kΩ
External Timing Capacitance
CX
—
—
—
No Limits (7.)
µF
6. RX is in Ohms, CX is in farads, VDD and VSS in volts, PWout in seconds.
7. If CX > 15 µF, Use Discharge Protection Diode DX, per Fig. 9.
8. The formulas given are for the typical characteristics only at 25_C.
9. Data labelled “Typ” is not to be used for design purposes but is intended as an indication of the IC’s potential performance.
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