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74HC5555 Datasheet, PDF (23/23 Pages) NXP Semiconductors – Programmable delay timer with oscillator
Philips Semiconductors
Programmable delay timer with oscillator
Product specification
74HC/HCT5555
handbook, halfpage
MR (from logic)
1 RS
R bias
100 kΩ to 1 MΩ
R TC
2
R2
2.2 kΩ
C3
22 to
37 pF
C2 100 pF
MLB336
Fig.15 External components configuration for a crystal oscillator.
40
handbook, full pagewidth
36
MGA648
32
28
max. expected
24
typ. expected
min. expected
20
16
12
8
4
0
0
100
200
300
400
500
600
programmed time (ns)
Fig.16 Graphic representation of short time delay accuracy; one stage selected; VCC = 4.5 V.
PACKAGE OUTLINES
See “74HC/HCT/HCU/HCMOS Logic Package Outlines”.
September 1993
23