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PDF N74F161AN Data sheet ( Hoja de datos )
| Número de pieza | N74F161AN | |
| Descripción | 4-bit binary counter | |
| Fabricantes | Philips | |
| Logotipo |  |
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INTEGRATED CIRCUITS
74F160A*, 74F161A,
74F162A*, 74F163A
4-bit binary counter
* Discontinued part. Please see the Discontinued Product List in Section 1, page 21.
Product specification
IC15 Data Handbook
1996 Jan 29
Philips
Semiconductors
1 page  
Philips Semiconductors
4-bit binary counters
Product specification
74F161A, 74F163A
74F163A MODE SELECT – FUNCTION TABLE
INPUTS
OUTPUTS
OPERATING MODE
SR
CP
CEP
CET
PE
Dn
Qn
TC
l ↑ X X X X L L Reset (clear)
h↑XX l l L L
Parallel load
h ↑ X X l h H (2)
h ↑ h h h X count (2) Count
h
h
H=
h=
L=
l=
qn =
X=
↑=
(1) =
(2) =
X
l
Xh
X
qn
(2)
Hold (do nothing)
X X l h X qn L
High voltage level
High voltage level one setup prior to the Low-to-High clock transition
Low voltage level
Low voltage level one setup prior to the Low-to-High clock transition
Lower case letters indicate the state of the referenced output prior to the Low-to-High clock transition
Don’t care
Low-to-High clock transition
The TC output is High when CET is High and the counter is at Terminal Count (HHHH for 74F161A)
The TC output is High when CET is High and the counter is at Terminal Count (HHHH for 74F163A)
74F161A LOGIC DIAGRAM
2
CP
1
MR
PE
CET
CEP
9
10
7
3
D0
D RQ
CP Q
4
D1
D RQ
CP Q
5
D2
D RQ
CP Q
6
D3
D RQ
CP Q
VCC = Pin 16
GND = Pin 8
1996 Jan 29
5
14
Q0
13
Q1
12
Q2
11
Q3
15
TC
SF00662
5 Page 
Philips Semiconductors
4-bit binary counters
DIP16: plastic dual in-line package; 16 leads (300 mil)
Product specification
74F160A*, 74F161A,
74F162A*, 74F163A
SOT38-4
* Discontinued part. Please see the Discontinued Product List in Section 1, page 21.
1996 Jan 29
11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet N74F161AN.PDF ] | |
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