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CD74HC221 Datasheet(Fiches technique) 6 Page - Texas Instruments

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Numéro de pièce CD74HC221
Description  High Speed CMOS Logic Dual Monostable Multivibrator with Reset
Télécharger  11 Pages
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Fabricant  TI [Texas Instruments]
Site Internet  http://www.ti.com
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 6 page
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6
Input Pulse Width
Reset
tWL
2
70-
-90-
105
-
ns
4.5
14
-
-
18
-
21
-
ns
6
12-
-15-18
-
ns
Recovery Time
R to A or B
tSU
2
0
-
-
0-0-
ns
4.5
0-
-0-0-
ns
6
0
-
-
0-0-
ns
Output Pulse Width Q or Q
CX = 0.1µF RX = 10kΩ
tW
5
630
-
770
602
798
595
805
µs
Output Pulse Width Q or Q
CX = 28pF, RX = 2kΩ
tW
4.5
-
140
-----
ns
CX = 1000pF, RX = 2kΩ
tW
4.5
-
1.5
-----
µs
CX = 1000pF, RX = 10kΩ
tW
4.5
-
7
-----
µs
HCT TYPES
Input Pulse Width
A
tWL
4.5
14
-
-
18
-
21
-
ns
Input Pulse Width
B
tWH
4.5
14
-
-
18
-
21
-
ns
Input Pulse Width
Reset
tWL
4.5
18
-
-
23
-
27
-
ns
Recovery Time
R to A or B
tSU
4.5
0-
-0-0-
ns
Output Pulse Width Q or Q
CX = 0.1µF RX = 10kΩ
tW
5
630
-
770
602
798
595
805
µs
Output Pulse Width Q or Q
CX = 28pF, RX = 2kΩ
tW
4.5
-
140
-----
ns
CX = 1000pF, RX = 2kΩ
tW
4.5
-
1.5
-----
µs
CX = 1000pF, RX = 10kΩ
tW
4.5
-
7
-----
µs
Switching Specifications Input tr, tf = 6ns
PARAMETER
SYMBOL
TEST
CONDITIONS
VCC (V)
25oC
-40oC TO
85oC
-55oC TO
125oC
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
HC TYPES
Propagation Delay,
Trigger A, B, R to Q
tPLH
CL = 50pF
2
-
-
210
-
265
-
315
ns
CL = 50pF
4.5
-
-
42
-
53
-
63
ns
CL = 50pF
6
-
-
36
-
45
-
54
ns
CL = 15pF
5
-
18
-
-
-
-
-
ns
Propagation Delay,
Trigger A, B, R to Q
tPHL
CL = 50pF
2
-
-
170
-
215
-
255
ns
CL = 50pF
4.5
-
-
34
-
43
-
51
ns
CL = 50pF
6
-
-
29
-
37
-
43
ns
CL = 15pF
5
-
14
-
-
-
-
-
ns
Prerequisite For Switching Function
(Continued)
PARAMETER
SYMBOL
VCC (V)
25oC
-40oC TO 85oC
-55oC TO 125oC
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
CD74HC221, CD74HCT221




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