MC14549B Ver la hoja de datos (PDF) - ON Semiconductor
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MC14549B Datasheet PDF : 9 Pages
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MC14549B, MC14559B
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ SWITCHING CHARACTERISTICS (Note 5) (CL = 50 pF, TA = 25_C)
ÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎÎ Characteristic
Symbol
VDD
Min
Typ
Max
Unit
Output Rise Time
tTLH = (3.0 ns/pF) CL + 30 ns
tTLH = (1.5 ns/pF) CL + 15 ns
tTLH = (1.1 ns/pF) CL + 10 ns
tTLH
ns
5.0
−
180
360
10
−
90
180
15
−
65
130
Output Fall Time
tTHL = (1.5 ns/pF) CL + 25 ns
tTHL = (0.75 ns/pF) CL + 12.5 ns
tTHL = (0.55 ns/pF) CL + 9.5 ns
tTHL
ns
5.0
−
100
200
10
−
50
100
15
−
40
80
Propagation Delay Time
Clock to Q
tPLH, tPHL = (1.7 ns/pF) CL + 415 ns
tPLH, tPHL = (0.66 ns/pF) CL + 177 ns
tPLH, tPHL = (0.5 ns/pF) CL + 130 ns
Clock to Sout
tPLH, tPHL = (1.7 ns/pF) CL + 665 ns
tPLH, tPHL = (0.66 ns/pF) CL + 277 ns
tPLH, tPHL = (0.5 ns/pF) CL + 195 ns
Clock to EOC
tPLH, tPHL = (1.7 ns/pF) CL + 215 ns
tPLH, tPHL = (0.66 ns/pF) CL + 97 ns
tPLH, tPHL = (0.5 ns/pF) CL + 75 ns
tPLH,
tPHL
5.0
−
10
−
15
−
5.0
−
10
15
−
5.0
−
10
−
15
−
ns
500
1000
210
420
155
310
750
1500
310
620
220
440
300
600
130
260
100
200
SC, D, FF or MR Setup Time
tsu
5.0
250
125
−
ns
10
100
50
−
15
80
40
−
Clock Pulse Width
tWH(cl)
5.0
700
350
−
ns
10
270
135
−
15
200
100
−
Pulse Width — D, SC, FF or MR
tWH
5.0
500
250
−
ns
10
200
100
−
15
160
80
−
Clock Rise and Fall Time
tTLH,
tTHL
5.0
−
10
−
15
−
15
ms
1.0
−
0.5
Clock Pulse Frequency
fcl
5.0
−
1.5
0.8
MHz
10
−
3.0
1.5
15
−
4.0
2.0
5. The formulas given are for the typical characteristics only.
ORDERING INFORMATION
Device
Package
Shipping†
MC14549BCP
MC14549BCPG
PDIP−16
PDIP−16
(Pb−Free)
25 / Rail
MC14549BDWR2
MC14549BDWR2G
SOIC−16
SOIC−16
(Pb−Free)
1000 / Tape & Reel
MC14559BCP
MC14559BCPG
PDIP−16
PDIP−16
(Pb−Free)
25 / Rail
MC14559BDWR2
MC14559BDWR2G
SOIC−16
SOIC−16
(Pb−Free)
1000 / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
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