74HC390DB NXP Semiconductors, 74HC390DB Datasheet - Page 6
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74HC390DB
Manufacturer Part Number
74HC390DB
Description
Counter ICs DUAL DECADE RIPPLE COUNTER
Manufacturer
NXP Semiconductors
Datasheet
1.74HC390N652.pdf
(7 pages)
Specifications of 74HC390DB
Counter Type
Decade Counters
Mounting Style
SMD/SMT
Package / Case
SOT-338
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74HC390DB,112
Philips Semiconductors
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
Output capability: standard
I
Note to HCT types
The value of additional quiescent supply current ( I
To determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
December 1990
CC
INPUT
nCP
nCP
t
t
t
t
t
t
t
t
t
f
SYMBOL
PHL
PHL
PHL
PHL
PHL
THL
W
W
rem
max
Dual decade ripple counter
category: MSI
/ t
/ t
/ t
/ t
/ t
0
1
, nMR
TLH
PLH
PLH
PLH
PLH
propagation delay
propagation delay
propagation delay
propagation delay
propagation delay
output transition time
clock pulse width
master reset pulse width
removal time
maximum clock pulse
r
= t
nCP
nCP
nCP
nCP
nMR to nQ
nCP
HIGH
nMR to nCP
frequency
nCP
CC
UNIT LOAD COEFFICIENT
0.45
0.60
f
= 6 ns; C
0
1
1
1
0
0
per input, multiply this value by the unit load coefficient shown in the table below.
PARAMETER
, nCP
, nCP
to nQ
to nQ
to nQ
to nQ
n
1
1
0
1
2
3
n
L
= 50 pF
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
18
17
15
27
min. typ. max. min. max. min. max.
21
22
30
22
21
7
8
10
8
55
25
CC
) for a unit load of 1 is given in the family specifications.
34
38
51
38
36
15
6
T
74HCT
amb
23
21
19
22
40 to 85
( C)
43
48
64
48
45
19
27
26
22
18
40 to 125
51
57
77
57
54
22
.
ns
ns
ns
ns
ns
ns
ns
ns
ns
MHz
UNIT
74HC/HCT390
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
TEST CONDITIONS
V
(V)
Product specification
CC
Fig.6
Fig.6
Fig.6
Fig.6
Fig.7
Fig.6
Fig.6
Fig.7
Fig.7
Fig.6
WAVEFORMS