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74AHC574D,112

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19
74AHC_AHCT574_2 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 02 — 24 January 2008 9 of 18
NXP Semiconductors
74AHC574; 74AHCT574
Octal D-type flip-flop; positive edge-trigger; 3-state
t
su
set-up time Dn to CP; see Figure 8
V
CC
= 3.0 V to 3.6 V;
C
L
=50pF
3.5 - - 3.5 - 3.5 - ns
V
CC
= 4.5 V to 5.5 V;
C
L
=50pF
3.0 - - 3.0 - 3.0 - ns
t
h
hold time Dn to CP; see Figure 8
V
CC
= 3.0 V to 3.6 V;
C
L
=50pF
1.5 - - 1.5 - 1.5 - ns
V
CC
= 4.5 V to 5.5 V;
C
L
=50pF
1.5 - - 1.5 - 1.5 - ns
C
PD
power
dissipation
capacitance
C
L
= 50 pF; f
i
= 1 MHz;
V
I
= GND to V
CC
[3]
-10- - - - -pF
For type 74AHCT574
t
pd
propagation
delay
CP to Qn; see Figure 7
[2]
V
CC
= 4.5 V to 5.5 V
C
L
= 15 pF - 4.4 8.6 1.0 10.0 1.0 11.0 ns
C
L
= 50 pF - 6.3 10.6 1.0 12.0 1.0 13.5 ns
t
en
enable time OE to Qn; see Figure 9
V
CC
= 4.5 V to 5.5 V
C
L
= 15 pF - 4.3 9.0 1.0 10.5 1.0 11.5 ns
C
L
= 50 pF - 6.1 11.0 1.0 12.5 1.0 14.0 ns
t
dis
disable time OE to Qn; see Figure 9
[2]
V
CC
= 4.5 V to 5.5 V
C
L
= 15 pF - 4.3 9.0 1.0 10.5 1.0 11.5 ns
C
L
= 50 pF - 6.2 10.1 1.0 11.5 1.0 13.0 ns
f
max
maximum
frequency
CP; see Figure 7
V
CC
= 4.5 V to 5.5 V
C
L
= 15 pF 130 180 - 110 - 110 - MHz
C
L
= 50 pF 85 115 - 75 - 75 - MHz
t
W
pulse width CP; HIGH or LOW;
see
Figure 7
V
CC
= 4.5 V to 5.5 V;
C
L
=50pF
5.0 - - 5.5 - 5.5 - ns
t
su
set-up time Dn to CP; see Figure 8
V
CC
= 4.5 V to 5.5 V;
C
L
=50pF
3.0 - - 3.5 - 3.5 - ns
Table 7. Dynamic characteristics
…continued
GND = 0 V. For test circuit see Figure 10.
Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ
[1]
Max Min Max Min Max
74AHC_AHCT574_2 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 02 — 24 January 2008 10 of 18
NXP Semiconductors
74AHC574; 74AHCT574
Octal D-type flip-flop; positive edge-trigger; 3-state
[1] Typical values are measured at nominal supply voltage (V
CC
= 3.3 V and V
CC
= 5.0 V).
[2] t
pd
is the same as t
PLH
and t
PHL
.
t
en
is the same as t
PZL
and t
PZH
.
t
dis
is the same as t
PLZ
and t
PHZ
.
[3] C
PD
is used to determine the dynamic power dissipation P
D
(µW).
P
D
=C
PD
× V
CC
2
× f
i
+ ∑ (C
L
× V
CC
2
× f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in V.
10.1 Waveforms
t
h
hold time Dn to CP; see Figure 8
V
CC
= 4.5 V to 5.5 V;
C
L
=50pF
1.5 - - 1.5 - 1.5 - ns
C
PD
power
dissipation
capacitance
per buffer;
C
L
=50pF;f=1 MHz;
V
I
= GND to V
CC
[3]
-12- - - - -pF
Table 7. Dynamic characteristics
…continued
GND = 0 V. For test circuit see Figure 10.
Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ
[1]
Max Min Max Min Max
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
Fig 7. Propagation delay input (CP) to output (Qn), clock input (CP) pulse width and the maximum frequency
(CP)
mna802
CP
input
Qn
output
t
PHL
t
PLH
t
W
1/f
max
V
M
V
OH
V
I
GND
V
OL
V
M
74AHC_AHCT574_2 © NXP B.V. 2008. All rights reserved.
Product data sheet Rev. 02 — 24 January 2008 11 of 18
NXP Semiconductors
74AHC574; 74AHCT574
Octal D-type flip-flop; positive edge-trigger; 3-state
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
The shaded areas indicate when the input is permitted to change for predicable output performance.
Fig 8. The data input (D) to clock input (CP) set-up times and clock input (CP) to data input (D) hold times
mna803
GND
GND
t
h
t
su
t
h
t
su
V
M
V
M
V
M
V
I
V
OH
V
OL
V
I
Qn output
CP input
Dn input
Measurement points are given in Table 8.
V
OL
and V
OH
are typical voltage output levels that occur with the output load.
Fig 9. Enable and disable times
001aah078
t
PLZ
t
PHZ
outputs
disabled
outputs
enabled
V
Y
V
X
outputs
enabled
Qn output
LOW-to-OFF
OFF-to-LOW
Qn output
HIGH-to-OFF
OFF-to-HIGH
OE input
V
I
V
OL
V
OH
V
CC
V
M
GND
GND
t
PZL
t
PZH
V
M
V
M
Table 8. Measurement points
Type Input Output
V
M
V
M
V
X
V
Y
74AHC574 0.5V
CC
0.5V
CC
V
OL
+ 0.3 V V
OH
− 0.3 V
74AHCT574 1.5 V 0.5V
CC
V
OL
+ 0.3 V V
OH
− 0.3 V
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P19

74AHC574D,112

Mfr. #:
Buy 74AHC574D,112
Manufacturer:
Nexperia
Description:
Flip Flops OCTAL D-TYPE
Lifecycle:
New from this manufacturer.
Delivery:
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