74HCT534N 데이터 시트보기 (PDF) - NXP Semiconductors.
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74HCT534N Datasheet PDF : 15 Pages
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Philips Semiconductors
74HCT534
5 V octal D-type flip-flop; positive-edge trigger; inverting; 3-state
7. Functional description
7.1 Function table
Table 4: Function table [1]
Operating mode
Input
Internal
OE
CP
Dn
flip-flops
Load and read
L
↑
l
L
register
L
↑
h
H
Load register and
H
↑
l
L
disable outputs
H
↑
h
H
[1] H = HIGH voltage level;
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition;
L = LOW voltage level;
I = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition;
Z = high-impedance OFF-state;
↑ = LOW-to-HIGH clock transition.
8. Limiting values
Output Qn
H
L
Z
Z
Table 5: 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
supply voltage
−0.5 +7 V
IIK
input diode current
VI < −0.5 V or VI > VCC + 0.5 V
-
±20 mA
IOK
output diode current
VO < −0.5 V or
VO > VCC + 0.5 V
-
±20 mA
IO
output source or sink
VO = −0.5 V to VCC + 0.5 V
current
-
±35 mA
ICC, IGND
Tstg
Ptot
VCC or GND current
storage temperature
power dissipation
DIP20 package
-
±70 mA
−65 +150 °C
[1] -
750 mW
SO20 package
[2] -
500 mW
[1] Above 70 °C: Ptot derates linearly with 12 mW/K.
[2] Above 70 °C: Ptot derates linearly with 8 mW/K.
9. Recommended operating conditions
Table 6:
Symbol
VCC
VI
Recommended operating conditions
Parameter
Conditions
supply voltage
input voltage
Min Typ Max Unit
4.5 5.0 5.5 V
0
-
VCC
V
9397 750 13817
Product data sheet
Rev. 03 — 18 October 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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