參數(shù)資料
型號: 74ABT373
廠商: Fairchild Semiconductor Corporation
英文描述: Octal Transparent Latch with 3-STATE Outputs(八D型鎖存器(三態(tài)輸出))
中文描述: 八路透明鎖存器與三態(tài)輸出(八?型鎖存器(三態(tài)輸出))
文件頁數(shù): 4/11頁
文件大?。?/td> 119K
代理商: 74ABT373
www.fairchildsemi.com
4
7
DC Electrical Characteristics
(SOIC Package)
Note 5:
Max number of outputs defined as (n). n
1 data inputs are driven 0V to 3V. One output at Low. Guaranteed, but not tested.
Note 6:
Max number of outputs defined as (n). n
1 data inputs are driven 0V to 3V. One output HIGH. Guaranteed, but not tested.
Note 7:
Max number of data inputs (n) switching. n
1 inputs switching 0V to 3V. Input-under-test switching: 3V to threshold (V
ILD
), 0V to threshold (V
IHD
).
Guaranteed, but not tested.
AC Electrical Characteristics
(SOIC and SSOP Packages)
AC Operating Requirements
(SOIC and SSOP Packages)
Symbol
Parameter
Min
Typ
Max
Units
V
CC
Conditions
C
L
=
50 pF, R
L
=
500
T
A
=
25
°
C (Note 5)
T
A
=
25
°
C (Note 5)
T
A
=
25
°
C (Note 6)
T
A
=
25
°
C (Note 7)
T
A
=
25
°
C (Note 7)
V
OLP
V
OLV
V
OHV
V
IHD
V
ILD
Quiet Output Maximum Dynamic V
OL
Quiet Output Minimum Dynamic V
OL
Minimum HIGH Level Dynamic Output Voltage
Minimum HIGH Level Dynamic Input Voltage
Maximum LOW Level Dynamic Input Voltage
0.4
0.8
3.0
1.7
0.9
0.8
V
V
5.0
5.0
1.2
2.5
2.0
V
V
V
5.0
5.0
5.0
0.6
Symbol
Parameter
T
A
=
+
25
°
C
V
CC
=
+
5.0V
C
L
=
50 pF
Typ
2.7
2.8
T
A
=
55
°
C to
+
125
°
C
V
CC
=
4.5V to 5.5V
C
L
=
50 pF
Min
1.0
1.0
T
A
=
40
°
C to
+
85
°
C
V
CC
=
4.5V to 5.5V
C
L
=
50 pF
Min
1.9
1.9
Units
Min
1.9
1.9
Max
4.5
4.5
Max
6.8
7.0
Max
4.5
4.5
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Propagation Delay
D
n
to O
n
Propagation Delay
LE to O
n
Output Enable Time
ns
2.0
2.0
1.5
3.1
3.0
3.1
5.0
5.0
5.3
1.0
1.5
1.0
7.7
7.7
6.7
2.0
2.0
1.5
5.0
5.0
5.3
ns
ns
1.5
2.0
2.0
3.1
3.6
3.4
5.3
5.4
5.4
1.5
1.7
1.0
7.2
8.0
7.0
1.5
2.0
2.0
5.3
5.4
5.4
Output Disable Time
ns
Symbol
Parameter
T
A
=
+
25
°
C
V
CC
=
+
5.0V
C
L
=
50 pF
Typ
100
T
A
=
55
°
C to
+
125
°
C
V
CC
=
4.5V to 5.5V
C
L
=
50 pF
Min
100
2.5
T
A
=
40
°
C to
+
85
°
C
V
CC
=
4.5V to 5.5V
C
L
=
50 pF
Min
Units
Min
Max
Max
Max
f
TOGGLE
t
S
(H)
t
S
(L)
t
H
(H)
t
H
(L)
t
W
(H)
Max Toggle Frequency
Setup Time, HIGH
MHz
1.5
1.5
ns
or LOW D
n
to LE
Hold Time, HIGH
or LOW D
n
to LE
Pulse Width,
LE HIGH
1.5
1.0
1.0
2.5
2.5
2.5
1.5
1.0
1.0
ns
3.0
3.3
3.0
ns
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