74hct5555 NXP Semiconductors, 74hct5555 Datasheet - Page 7

• Manufacturer Part Number: 74hct5555
• Description: Programmable Delay Timer With Oscillator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
DELAY TIME SELECTION
September 1993
handbook, full pagewidth
Programmable delay timer with oscillator
Timing example shown for S
S
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
.
3
MR
RS
A
Q
SELECT INPUTS
S
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
.
2
3
, S
1
2
, S
1
2
, S
0
= 0011 (binary 2
3
S
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
.
1
4
5
6
4
, decimal 16).
Fig.5 Timing diagram.
7
S
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
.
0
8
9
7
2
2
2
2
2
2
2
2
.
2
2
2
2
2
2
2
2
1
2
3
4
5
6
7
8
17
18
19
20
21
22
23
24
10
11
OUTPUT Q/Q (FREQUENCY DIVIDING)
BINARY
12
13
14
15
16
2
4
8
16
32
64
128
256
.
131 072
262 144
524 288
1 048 576
2 097 152
4 194 304
8 388 608
16 777 216
74HC/HCT5555
Product specification
DECIMAL
MGA649