參數(shù)資料
型號(hào): MC74LVX374MELG
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Octal D-Type Flip-Flop with 3-State Outputs With 5V−Tolerant Inputs
中文描述: LV/LV-A/LVX/H SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: LEAD FREE, EIAJ, SO-20
文件頁(yè)數(shù): 4/8頁(yè)
文件大?。?/td> 111K
代理商: MC74LVX374MELG
MC74LVX374
http://onsemi.com
4
1. 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 HIGHtoLOW (t
OSHL
) or LOWtoHIGH (t
OSLH
); parameter
guaranteed by design.
Symbol
Typ
11.0
19.8
1.0
Parameter
Test Conditions
Min
115
60
160
f
Maximum Clock Frequency
(50% Duty Cycle)
V
= 2.7V
C
= 15pF
C
L
= 50pF
60
45
6.7
8.4
50
40
23.0
12.5
MHz
t
PHL
t
CP to O
OE to O
V
= 3.3
0.3V
V
CC
= 3.3
±
0.3V
C
L
= 15pF
100
10.1
85
C
L
= 50pF
10.6
C
= 15pF
C
L
= 50pF
1.0
PHZ
PZL
R
= 1k
R
L
= 1k
Output Enable Time
L
CC
R
= 1k
CC
L
C
= 50pF
1.0
14.5
1.5
21.0
17.5
t
OSLH
(Note 1)
CC
= 2.7V
C
L
= 50pF
11.5
1.0
ns
C
L
= 50pF
18.5
22.0
V
CC
= 3.3
±
0.3V
L
1.5
15.0
C
L
= 50pF
2. C
PD
Average operating current can be obtained by the equation: I
CC(OPR
= C
PD
V
CC
f
in
+ I
CC
/8 (per flipflop). C
PD
is used to determine the
noload dynamic power consumption; P
D
= C
PD
V
CC2
f
in
+ I
CC
V
CC
.
Typ
Min
NOISE CHARACTERISTICS
(Input t
r
= t
f
= 3.0ns, C
L
= 50pF, V
CC
= 3.3V, Measured in SOIC Package)
T
A
= 25
°
C
Typ
Symbol
Characteristic
Max
Unit
V
OLP
V
OLV
V
IHD
Quiet Output Maximum Dynamic V
OL
Quiet Output Minimum Dynamic V
OL
Minimum High Level Dynamic Input Voltage
0.5
0.8
V
0.5
0.8
V
2.0
V
V
ILD
Maximum Low Level Dynamic Input Voltage
0.8
V
TIMING REQUIREMENTS
(Input t
r
= t
f
= 3.0ns)
T
A
= 25
°
C
T
A
= 40 to 85
°
C
Symbol
Parameter
Test Conditions
Typ
Limit
Limit
Unit
t
w
Minimum Pulse Width, CP
V
CC
= 2.7V
V
CC
= 3.3
±
0.3V
7.5
5.0
8.0
5.5
ns
t
su
Minimum Setup Time, D to CP
V
CC
= 2.7V
V
CC
= 3.3
±
0.3V
6.5
4.5
6.5
4.5
ns
t
h
Minimum Hold Time, D to CP
V
CC
= 2.7V
V
CC
= 3.3
±
0.3V
2.0
2.0
2.0
2.0
ns
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