hef4538b NXP Semiconductors, hef4538b Datasheet - Page 5

• Manufacturer Part Number: hef4538b
• Description: Dual Precision Monostable Multivibrator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
AC CHARACTERISTICS
V
January 1995
Propagation delays
Recovery times
Retrigger times
Minimum I
Minimum I
Minimum C
Output O or O
Output O or O
Output O or O
SS
Dual precision monostable multivibrator
I
I
C
C
C
O, O
pulse width; LOW
pulse width; HIGH
pulse width; LOW
pulse width
pulse width
pulse width
0
0
= 0 V; T
, I
, I
D
D
D
HIGH to LOW
LOW to HIGH
HIGH to LOW
LOW to HIGH
1
1
O
O
I
0
O
O
, I
0
1
I
0
amb
D
1
, I
1
= 25 C; C
L
= 50 pF; input transition times
V
15
15
15
15
10
15
10
15
15
15
15
10
10
10
10
10
15
10
15
10
15
10
10
10
V
DD
5
5
5
5
5
5
5
5
5
5
5
5
t
t
t
t
t
t
t
t
t
t
t
t
SYMBOL
PHL
PLH
PHL
PLH
RCD
RO
WI0L
WI1H
WCDL
WO
WO
WO
MIN.
10,3
10,2
10,1
218
213
211
90
30
24
50
24
20
55
25
20
0
0
0
1,01
0,99
0,99
5
20 ns
TYP.
10,8
10,7
10,6
230
224
223
45
15
12
25
12
10
25
12
10
1,09
1,04
1,04
200
220
125
125
90
60
85
60
55
40
55
40
20
10
5
MAX.
11,3
11,2
11,1
242
235
234
1,09 s
1,09 s
1,11 s
460 ns
180 ns
120 ns
440 ns
190 ns
120 ns
250 ns
250 ns
110 ns
110 ns
80 ns
80 ns
40 ns
20 ns
10 ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ms
ms
s
s
s
R
C
R
C
R
C
TYPICAL EXTRAPOLATION
t
t
t
t
t
t
173 ns
193 ns
= 100 k
= 0,002 F
= 100 k
= 0,1 F
= 100 k
= 10 F
79 ns
52 ns
74 ns
52 ns
98 ns
44 ns
32 ns
98 ns
44 ns
32 ns
FORMULA
Product specification
HEF4538B
(0,55 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
(0,55 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
(0,55 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
(0,55 ns/pF) C
(0,23 ns/pF) C
(0,16 ns/pF) C
MSI
L
L
L
L
L
L
L
L
L
L
L
L