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74HC123 Schematic ( PDF Datasheet ) - Philips

Teilenummer 74HC123
Beschreibung Dual retriggerable monostable multivibrator with reset
Hersteller Philips
Logo Philips Logo 




Gesamt 17 Seiten
74HC123 Datasheet, Funktion
INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT123
Dual retriggerable monostable
multivibrator with reset
Product specification
Supersedes data of September 1993
File under Integrated Circuits, IC06
1998 Jul 08






74HC123 Datasheet, Funktion
Philips Semiconductors
Dual retriggerable monostable
multivibrator with reset
Product specification
74HC/HCT123
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL
PARAMETER
74HC
+25
40 to +85
40 to +125
UNIT
VCC
(V)
min. typ. max. min. max. min. max.
WAVEFORMS/
NOTES
tPLH
propagation delay
nRD, nA, nB to nQ
83 255
30 51
24 43
320
64
54
tPLH
propagation delay
nRD, nA, nB to nQ
83 255
30 51
24 43
320
64
54
tPHL
propagation delay
nRD to nQ (reset)
66 215
24 43
19 37
270
54
46
tPLH
propagation delay
nRD to nQ (reset)
66 215
24 43
19 37
270
54
46
tTHL / tTLH
output transition
time
19 75
7 15
6 13
95
19
16
tW
trigger pulse width
nA = LOW
100 8
20 3
17 2
125
25
21
tW
trigger pulse width
nB = HIGH
100 17
20 6
17 5
125
25
21
tW
reset pulse width
nRD = LOW
100 14
20 5
17 4
125
25
21
output pulse width
tW nQ = HIGH
nQ = LOW
450
output pulse width
tW nQ = HIGH
nQ = LOW
75
trt
retrigger time
nA, nB
110
REXT
CEXT
external timing
resistor
external timing
capacitor
10
2
1000
1000
no limits
385
77
65
385
77
65
325
65
55
325
65
55
110
22
19
150
30
26
150
30
26
150
30
26
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
k
pF
2.0
4.5
6.0
CEXT = 0 pF;
REXT = 5 k
2.0
4.5
6.0
CEXT = 0 pF;
REXT = 5 k
2.0
4.5
6.0
CEXT = 0 pF;
REXT = 5 k
2.0
4.5
6.0
CEXT = 0 pF;
REXT = 5 k
2.0
4.5
6.0
2.0
4.5 Fig.7
6.0
2.0
4.5 Fig.7
6.0
2.0
4.5 Fig.8
6.0
CEXT = 100 nF;
5.0 REXT = 10 k;
Figs 7 and 8
CEXT = 0 pF;
5.0 REXT = 5 k;
note 1; Figs 7 and 8
CEXT = 0 pF;
5.0 REXT = 5 k;
note 2; Fig.7
2.0
5.0
Fig.9
5.0 Fig.9; note 3
1998 Jul 08
6

6 Page









74HC123 pdf, datenblatt
Philips Semiconductors
Dual retriggerable monostable
multivibrator with reset
PACKAGE OUTLINES
DIP16: plastic dual in-line package; 16 leads (300 mil); long body
Product specification
74HC/HCT123
SOT38-1
D
L
Z
16
e
pin 1 index
b
A2 A
A1
wM
b1
9
ME
c
(e 1)
MH
E
18
0 5 10 mm
scale
DIMENSIONS (inch dimensions are derived from the original mm dimensions)
UNIT
A
max.
A1
min.
A2
max.
b
b1
c
D (1)
E (1)
mm
4.7
0.51
3.7
1.40 0.53 0.32 21.8 6.48
1.14 0.38 0.23 21.4 6.20
inches
0.19
0.020
0.15
0.055 0.021 0.013
0.045 0.015 0.009
0.86
0.84
0.26
0.24
e
2.54
0.10
Note
1. Plastic or metal protrusions of 0.25 mm maximum per side are not included.
e1
7.62
0.30
L
3.9
3.4
0.15
0.13
ME
8.25
7.80
0.32
0.31
MH
9.5
8.3
0.37
0.33
w
Z (1)
max.
0.254 2.2
0.01 0.087
OUTLINE
VERSION
SOT38-1
IEC
050G09
REFERENCES
JEDEC
EIAJ
MO-001AE
EUROPEAN
PROJECTION
ISSUE DATE
92-10-02
95-01-19
1998 Jul 08
12

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