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74HC5555 View Datasheet(PDF) - NXP Semiconductors.

Part NameDescriptionManufacturer
74HC5555 Programmable delay timer with oscillator NXP
NXP Semiconductors. NXP
74HC5555 Datasheet PDF : 23 Pages
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
Philips Semiconductors
Programmable delay timer with oscillator
Product specification
74HC/HCT5555
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF.
Tamb (°C)
TEST CONDITION
SYMBOL PARAMETER
+25
40 to +85 40 to +125 UNIT
MIN TYP MAX MIN MAX MIN MAX
VCC
(V)
WAVEFORMS
tPLH/tPHL propagation
delay A, B to
Q, Q
tPHL/tPLH propagation
delay MR to Q,
Q
tPHL/tPLH propagation
delay RS to Q,
Q
tTHL/tTLH output
transition time
tW
trigger pulse
21
width
A = HIGH
B = LOW
tW
master reset 14
pulse width
HIGH
tW
clock pulse
16
width RS;
HIGH or LOW
tW
minimum
output pulse
width
Q = HIGH,
Q = LOW
trt
retrigger time
A, B
REXT
external timing 1
resistor
CEXT
external timing 50
capacitor
trem
removal time 24
MR to A, B
fmax
maximum
10
clock pulse
frequency
fmax
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
k4.5
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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