參數(shù)資料
型號： 74VCX16839MTD
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： Low Voltage 20-Bit Selectable Register/Buffer with 3.6V Tolerant Inputs and Outputs
中文描述： ALVC/VCX/A SERIES, 20-BIT DRIVER, TRUE OUTPUT, PDSO56
封裝： 6.10 MM, MO-153, TSSOP-56
文件頁數(shù)： 5/7頁
文件大小： 60K
代理商： 74VCX16839MTD
5
www.fairchildsemi.com
7
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
=
500
V
CC
=
3.3V
±
0.3V
V
CC
=
2.5V
±
0.2V
Min
Max
Min
250
200
0.8
2.5
1.0
Units
V
CC
=
1.8V
±
0.15V
Min
100
1.5
Max
Max
f
MAX
t
PHL
t
PLH
t
PHL
t
PLH
t
PHL
, t
PLH
t
PZL
, t
PZH
t
PLZ
, t
PHZ
t
S
t
H
t
W
t
OSHL
t
OSLH
Maximum Clock Frequency
Prop Delay I
n
to O
n
(REGE
=
0)
Prop Delay CP to O
n
(REGE
=
1)
Prop Delay REGE to O
n
Output Enable Time
Output Disable Time
MHz
ns
3.5
7.0
0.8
3.2
1.0
4.4
1.5
8.8
ns
0.8
0.8
0.8
4.0
3.8
3.7
1.0
1.0
1.0
5.0
4.9
4.2
1.5
1.5
1.5
9.8
9.8
7.6
ns
ns
ns
Setup Time
Hold Time
Pulse Width
1.0
0.7
1.5
1.0
0.7
1.5
2.5
1.0
4.0
ns
ns
ns
Output to Output Skew
(Note 9)
0.5
0.5
0.75
ns
Symbol
Parameter
T
A
=
0
°
C to
+
85
°
C, R
L
=
500
V
CC
=
3.3V
±
0.3V
C
L
=
50 pF
Min
1.0
Units
Max
2.8
t
PHL
, t
PLH
t
PHL
, t
PLH
t
PHL
, t
PLH
t
PZL
, t
PZH
t
PLZ
, t
PHZ
t
S
t
H
Prop Delay I
n
to O
n
(REGE
=
0)
Prop Delay CP to O
n
(REGE
=
1)
Prop Delay REGE to O
n
Output Enable Time
ns
1.4
1.0
1.0
3.5
4.3
4.1
ns
ns
ns
Output Disable Time
Setup Time
Hold Time
1.0
1.0
0.7
4.0
ns
ns
ns
Symbol
Parameter
Conditions
V
CC
(V)
T
A
=
+
25
°
C
Typical
0.25
0.6
0.8
0.25
0.6
0.8
1.5
1.9
2.2
Units
V
OLP
Quiet Output Dynamic Peak V
OL
C
L
=
30 pF, V
IH
=
V
CC
, V
IL
=
0V
1.8
2.5
3.3
V
V
OLV
Quiet Output Dynamic Valley V
OL
C
L
=
30 pF, V
IH
=
V
CC
, V
IL
=
0V
1.8
2.5
3.3
V
V
OHV
Quiet Output Dynamic Valley V
OH
C
L
=
30 pF, V
IH
=
V
CC
, V
IL
=
0V
1.8
2.5
3.3
V
Symbol
Parameter
Conditions
T
A
=
+
25
°
C
Typical
6
7
20
Units
C
IN
C
OUT
C
PD
Input Capacitance
Output Capacitance
Power Dissipation Capacitance
V
CC
=
1.8V, 2.5V or 3.3V, V
I
=
0V or V
CC
V
I
=
0V or V
CC
, V
CC
=
1.8V, 2.5V or 3.3V
V
I
=
0V or V
CC
, f
=
10 MHz,
V
CC
=
1.8V, 2.5V or 3.3V
pF
pF
pF
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