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74HC574D_16 Datasheet PDF : 18 Pages
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Nexperia
74HC574; 74HCT574
Octal D-type flip-flop; positive edge-trigger; 3-state
6. Functional description
Table 3. Function table[1]
Operating mode
Input
OE
CP
Dn
Load and read register
L
l
L
h
Load register and disable output
H
l
H
h
[1] H = HIGH voltage level;
h = HIGH voltage level one setup time prior to the HIGH-to-LOW CP transition;
L = LOW voltage level;
l = LOW voltage level one setup time prior to the HIGH-to-LOW CP transition;
Z = high-impedance OFF-state;
= LOW-to-HIGH clock transition.
7. Limiting values
Internal
flip-flop
L
H
L
H
Output
Qn
L
H
Z
Z
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
Min Max Unit
VCC
IIK
IOK
IO
ICC
IGND
Tstg
Ptot
supply voltage
input clamping current
output clamping current
output current
supply current
ground current
storage temperature
total power dissipation
VI < 0.5 V or VI > VCC + 0.5 V
VO < 0.5 V or VO > VCC + 0.5 V
VO = 0.5 V to (VCC + 0.5 V)
SO20, SSOP20 and TSSOP20 packages
0.5
-
-
-
-
-
65
[1]
-
+7 V
20 mA
20 mA
35 mA
+70 mA
70 mA
+150 C
500 mW
[1] For SO20: Ptot derates linearly with 8 mW/K above 70 C.
For SSOP20 and TSSOP20 packages: Ptot derates linearly with 5.5 mW/K above 60 C.
8. Recommended operating conditions
Table 5. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V)
Symbol Parameter
Conditions
VCC
VI
VO
Tamb
supply voltage
input voltage
output voltage
ambient temperature
74HC574
Min Typ Max
2.0 5.0 6.0
0
-
VCC
0
-
VCC
40 +25 +125
74HCT574
Unit
Min Typ Max
4.5 5.0 5.5 V
0
-
VCC V
0
-
VCC V
40 +25 +125 C
74HC_HCT574
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 4 March 2016
© Nexperia B.V. 2017. All rights reserved
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