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PDF 74HCT190 Data sheet ( Hoja de datos )

Número de pieza 74HCT190
Descripción Presettable synchronous BCD decade up/down counter
Fabricantes Philips 
Logotipo Philips Logotipo



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No Preview Available ! 74HCT190 Hoja de datos, Descripción, Manual

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/HCT190
Presettable synchronous BCD
decade up/down counter
Product specification
File under Integrated Circuits, IC06
December 1990

1 page




74HCT190 pdf
Philips Semiconductors
Presettable synchronous BCD decade
up/down counter
Product specification
74HC/HCT190
Fig.4 Functional diagram.
FUNCTION TABLE
OPERATING MODE
parallel load
count up
count down
hold (do nothing)
INPUTS
PL U/D CE CP
LX X X
LX X X
HL I
HH I
HX H X
OUTPUTS
Dn Qn
LL
HH
X count up
X count down
X no change
TC AND RC FUNCTION TABLE
INPUTS
U/D CE
HH
LH
LL
LH
HH
HL
CP
X
X
X
X
TERMINAL COUNT STATE
Q0 Q1
HX
HX
HX
Q2
X
X
X
Q3
H
H
H
LL
LL
LL
L
L
L
L
L
L
Notes
1. H = HIGH voltage level
L = LOW voltage level
I = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition
X = don’t care
= LOW-to-HIGH CP transition
= one LOW level pulse
= TC goes LOW on a LOW-to-HIGH CP transition
OUTPUTS
TC RC
LH
HH
LH
HH
December 1990
5

5 Page





74HCT190 arduino
Philips Semiconductors
Presettable synchronous BCD decade
up/down counter
Product specification
74HC/HCT190
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
Tamb (°C)
TEST CONDITIONS
SYMBOL PARAMETER
74HCT
+25
40 to +85
40 to +125
UNIT
VCC
(V)
WAVEFORMS
min. typ. max. min. max. min. max.
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tPHL/ tPLH
tTHL/ tTLH
propagation delay
CP to Qn
propagation delay
CP to TC
propagation delay
CP to RC
propagation delay
CE to RC
propagation delay
Dn to Qn
propagation delay
PL to Qn
propagation delay
U/D to TC
propagation delay
U/D to RC
output transition time
28 48
34 58
20 35
18 33
24 44
29 49
24 45
26 45
7 15
60
73
44
41
55
61
56
56
19
72 ns 4.5 Fig.10
87 ns 4.5 Fig.10
53 ns 4.5 Fig.11
50 ns 4.5 Fig.11
66 ns 4.5 Fig.12
74 ns 4.5 Fig.13
68 ns 4.5 Fig.14
68 ns 4.5 Fig.14
22 ns 4.5 Fig.15
tW clock pulse width 25 10
31
38
ns 4.5 Fig.10
HIGH or LOW
tW parallel load pulse width 22 12
28
33
ns 4.5 Fig.15
LOW
trem removal time 7 1 9 11 ns 4.5 Fig.15
PL to CP
tsu set-up time
U/D to CP
42 25
53
63
ns 4.5 Fig.17
tsu set-up time
Dn to PL
tsu set-up time
CE to CP
20 10
25
30
ns 4.5 Fig.16
31 18
39
47
ns 4.5 Fig.17
th hold time
U/D to CP
0 18
0
0
ns 4.5 Fig.17
th hold time
Dn to PL
th hold time
CE to CP
0 6
0
0
ns 4.5 Fig.16
0 10
0
0
ns 4.5 Fig.17
fmax maximum clock pulse 16 27 13 11
frequency
MHz 4.5 Fig.10
December 1990
11

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