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74VCX16839
AC Electrical Characteristics VCX16839 (Note 8)
Note 8: For C
L
= 50
P
F, add approximately 300 ps to the AC maximum specification.
Note 9: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The
specification applies to any outputs switching in the same direction, either HIGH-to-LOW (t
OSHL
) or LOW-to-HIGH (t
OSLH
).
Extended AC Electrical Characteristics (Note 10)
Note 10: This parameter is guaranteed by characterization but not tested.
Dynamic Switching Characteristics
Capacitance
Symbol Parameter
T
A
= −40°C to +85°C, C
L
= 30 pF, R
L
= 500Ω
UnitsV
CC
= 3.3V ± 0.3V V
CC
= 2.5V ± 0.2V V
CC
= 1.8V ± 0.15V
Min Max Min Max Min Max
f
MAX
Maximum Clock Frequency 250 200 100 MHz
t
PHL
Propagation Delay I
n
to O
n
0.8 2.5 1.0 3.5 1.5 7.0 ns
t
PLH
(REGE = 0)
t
PHL
Propagation Delay CLK to O
n
0.8 3.2 1.0 4.4 1.5 8.8 ns
t
PLH
(REGE = 1)
t
PHL
, t
PLH
Propagation Delay REGE to O
n
0.8 4.0 1.0 5.0 1.5 9.8 ns
t
PZL
, t
PZH
Output Enable Time 0.8 3.8 1.0 4.9 1.5 9.8 ns
t
PLZ
, t
PHZ
Output Disable Time 0.8 3.7 1.0 4.2 1.5 7.6 ns
t
S
Setup Time 1.0 1.0 2.5 ns
t
H
Hold Time 0.7 0.7 1.0 ns
t
W
Pulse Width 1.5 1.5 4.0 ns
t
OSHL
Output to Output Skew
0.5 0.5 0.75 ns
t
OSLH
(Note 9)
Symbol Parameter
T
A
= −0°C to +85°C, R
L
= 500Ω V
CC
= 3.3V ± 0.3V
UnitsC
L
= 50 pF
Min Max
t
PHL
, t
PLH
Propagation Delay I
n
to O
n
(REGE = 0) 1.0 2.8 ns
t
PHL
, t
PLH
Propagation Delay CLK to O
n
(REGE = 1) 1.4 3.5 ns
t
PHL
, t
PLH
Propagation Delay REGE to O
n
1.0 4.3 ns
t
PZL
, t
PZH
Output Enable Time 1.0 4.1 ns
t
PLZ
, t
PHZ
Output Disable Time 1.0 4.0 ns
t
S
Setup Time 1.0 ns
t
H
Hold Time 0.7 ns
Symbol Parameter Conditions
V
CC
(V)
T
A
= +25°C
Units
Typical
V
OLP
Quiet Output Dynamic Peak V
OL
C
L
= 30 pF, V
IH
= V
CC
, V
IL
= 0V 1.8 0.25
V2.5 0.6
3.3 0.8
V
OLV
Quiet Output Dynamic Valley V
OL
C
L
= 30 pF, V
IH
= V
CC
, V
IL
= 0V 1.8 −0.25
V2.5 −0.6
3.3 −0.8
V
OHV
Quiet Output Dynamic Valley V
OH
C
L
= 30 pF, V
IH
= V
CC
, V
IL
= 0V 1.8 1.5
V2.5 1.9
3.3 2.2
Symbol Parameter Conditions
T
A
= +25°C
Units
Typical
C
IN
Input Capacitance V
CC
= 1.8V, 2.5V or 3.3V, V
I
= 0V or V
CC
6pF
C
OUT
Output Capacitance V
I
= 0V or V
CC
, V
CC
= 1.8V, 2.5V or 3.3V 7 pF
C
PD
Power Dissipation Capacitance V
I
= 0V or V
CC
, f = 10 MHz, 20 pF
V
CC
= 1.8V, 2.5V or 3.3V
