74HCT4015 View Datasheet(PDF) - Philips Electronics
Part Name
Description
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74HCT4015 Datasheet PDF : 8 Pages
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Philips Semiconductors
Dual 4-bit serial-in/parallel-out shift register
Product specification
74HC/HCT4015
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
Note to HCT types
The value of additional quiescent supply current (∆ICC) for a unit load of 1 is given in the family specifications.
To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below.
INPUT
nD
nMR
nCP
UNIT LOAD COEFFICIENT
0.30
1.50
1.50
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
UNIT VCC WAVEFORMS
to +125
(V)
min. typ. max. min. max. min. max.
tPHL/ tPLH
tPHL
tTHL/ tTLH
propagation delay
nCP to nQn
propagation delay
nMR to nQn
output transition time
21 35
44
53 ns 4.5 Fig.6
18 35
44
53 ns 4.5 Fig.7
7 15
19
22 ns 4.5 Fig.6
tW
clock pulse width
16 7
HIGH or LOW
20
24
ns 4.5 Fig.6
tW
master reset pulse width 16 5
HIGH
20
24
ns 4.5 Fig.7
trem
removal time
nMR to nCP
20 10
25
30
ns 4.5 Fig.7
tsu
set-up time
nD to nCP
12 4
15
18
ns 4.5 Fig.8
th
hold time
nD to nCP
5 −2
5
5
ns 4.5 Fig.8
fmax
maximum clock pulse 30 67
24
20
MHz 4.5 Fig.6
frequency
December 1990
6
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