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Part Name
Description
74HC5555D,118 View Datasheet(PDF) - NXP Semiconductors.
Part Name
Description
Manufacturer
74HC5555D,118
Programmable delay timer with oscillator
NXP Semiconductors.
74HC5555D,118 Datasheet PDF : 23 Pages
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Philips Semiconductors
Programmable delay timer with oscillator
Product specification
74HC/HCT5555
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF.
T
amb
(
°
C)
TEST CONDITION
SYMBOL PARAMETER
+
25
−
40 to
+
85
−
40 to
+
125 UNIT
MIN TYP MAX MIN MAX MIN MAX
V
CC
(V)
WAVEFORMS
t
PLH
/t
PHL
propagation
−
delay A, B to
Q, Q
t
PHL
/t
PLH
propagation
−
delay MR to Q,
Q
t
PHL
/t
PLH
propagation
−
delay RS to Q,
Q
t
THL
/t
TLH
output
−
transition time
t
W
trigger pulse
21
width
A = HIGH
B = LOW
t
W
master reset 14
pulse width
HIGH
t
W
clock pulse
16
width RS;
HIGH or LOW
t
W
minimum
−
output pulse
width
Q = HIGH,
Q = LOW
t
rt
retrigger time
−
A, B
R
EXT
external timing 1
resistor
C
EXT
external timing 50
capacitor
t
rem
removal time 24
MR to A, B
f
max
maximum
10
clock pulse
frequency
f
max
maximum
30
clock pulse
frequency
28 48
−
60
−
72
24 41
−
51
−
62
32 54
−
68
−
81
7
15
−
19
−
22
12
−
26
−
32
−
5
−
18
−
21
−
9
−
20
−
24
−
100
−
−
−
−
−
0
−
−
−
−
−
−
1000
−
−
−
−
no limits
14
−
30
−
36
−
18
−
8
−
6.6
−
75
−
24
−
20
−
ns 4.5
ns 4.5
ns 4.5
ns 4.5
ns 4.5
ns 4.5
ns 4.5
ns 4.5
ns 4.5
k
Ω
4.5
pF 4.5
ns 4.5
MHz 4.5
MHz 4.5
Fig.6
Fig.7
Fig.8; note 1
Fig.6
Fig.6
Fig.7
Fig.8
Fig.6
Fig.10; note 2
Fig.13
Fig.13
Fig.7
Fig.8; note 3
Fig.9; note 4
September 1993
14
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