參數(shù)資料
型號： 74LV373
廠商： NXP Semiconductors N.V.
英文描述： Octal D-type transparent latch 3-State
中文描述： 八路D型透明鎖存器三態(tài)
文件頁數(shù)： 4/12頁
文件大?。?/td> 123K
代理商： 74LV373
Philips Semiconductors
Product specification
74LV373
Octal D-type transparent latch (3-State)
1998 Jun 10
4
FUNCTION TABLE
OPERATING MODES
INPUTS
INTERNAL
LATCHES
OUTPUTS
OE
LE
Dn
Q
0
to Q
7
Enable and read register
(transparent mode)
L
L
H
H
L
H
L
H
L
H
Latch and read register
L
L
L
L
I
h
L
H
L
H
Latch register and disable outputs
H
H
L
L
I
h
L
H
Z
Z
H = HIGH voltage level
h
= HIGH voltage level one set-up time prior to the HIGH-to-LOW LE transition
L
= LOW voltage level
I
= LOW voltage level one set-up time prior to the HIGH-to-LOW LE transition
X = Don’t care
Z
= High impedance OFF-state
RECOMMENDED OPERATING CONDITIONS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP.
MAX
UNIT
V
CC
V
I
V
O
DC supply voltage
See Note1
1.0
3.3
5.5
V
Input voltage
0
–
V
CC
V
CC
+85
+125
V
Output voltage
0
–
V
T
amb
Operating ambient temperature range in free
air
See DC and AC
characteristics
–40
–40
°
C
t
r
, t
f
Input rise and fall times
V
CC
= 1.0V to 2.0V
V
CC
= 2.0V to 2.7V
V
CC
= 2.7V to 3.6V
V
CC
= 3.6V to 5.5V
–
–
–
–
–
–
–
–
500
200
100
50
ns/V
NOTE:
1. The LV is guaranteed to function down to V
CC
= 1.0V (input levels GND or V
CC
); DC characteristics are guaranteed from V
CC
= 1.2V to V
CC
= 5.5V.
ABSOLUTE MAXIMUM RATINGS
1, 2
In accordance with the Absolute Maximum Rating System (IEC 134).
Voltages are referenced to GND (ground = 0V).
SYMBOL
PARAMETER
CONDITIONS
RATING
UNIT
V
CC
±
I
IK
±
I
OK
DC supply voltage
–0.5 to +7.0
V
DC input diode current
V
I
< –0.5 or V
I
> V
CC
+ 0.5V
V
O
< –0.5 or V
O
> V
CC
+ 0.5V
20
mA
DC output diode current
50
mA
±
I
O
DC output source or sink current
– bus driver outputs
–0.5V < V
O
< V
CC
+ 0.5V
35
mA
±
I
GND
,
±
CC
T
stg
DC V
or GND current for types with
–bus driver outputs
70
mA
Storage temperature range
–65 to +150
°
C
Power dissipation per package
–plastic DIL
–plastic mini-pack (SO)
–plastic shrink mini-pack (SSOP and TSSOP)
for temperature range: –40 to +125
°
C
above +70
°
C derate linearly with 12mW/K
above +70
°
C derate linearly with 8 mW/K
above +60
°
C derate linearly with 5.5 mW/K
t t
P
tot
750
500
400
mW
NOTES:
1. Stresses beyond those listed may cause permanent damage to the device. These are stress ratings only and functional operation of the
device at these or any other conditions beyond those indicated under “recommended operating conditions” is not implied. Exposure to
absolute-maximum-rated conditions for extended periods may affect device reliability.
2. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
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