參數(shù)資料
型號(hào): 74VHC573TTR
廠商: 意法半導(dǎo)體
元件分類: 通用總線功能
英文描述: OCTAL D-TYPE LATCH WITH 3 STATE OUTPUT NON INVERTING
中文描述: 八路D型,3態(tài)輸出的非反相鎖存
文件頁數(shù): 5/14頁
文件大小: 289K
代理商: 74VHC573TTR
74VHC573
5/14
Table 7: AC Electrical Characteristics
(Input t
r
= t
f
= 3ns)
(*) Voltage range is 3.3V
±
0.3V
(**) Voltage range is 5.0V
±
0.5V
Note 1: Parameter guaranteed by design. t
soLH
= |t
pLHm
- t
pLHn
|, t
soHL
= |t
pHLm
- t
pHLn
|
Table 8: Capacitive Characteristics
1) C
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
CC(opr)
= C
PD
x V
CC
x f
IN
+ I
CC
/8 (per Latch)
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
C
L
(pF)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
t
PLH
t
PHL
Propagation Delay
Time
LE to Q
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
3.3
(*)
5.0
(**)
15
7.6
11.9
1.0
14.0
1.0
14.0
ns
50
10.1
15.4
1.0
17.5
1.0
17.5
15
5.0
7.7
1.0
9.0
1.0
9.0
50
6.5
9.7
1.0
11.0
1.0
11.0
t
PLH
t
PHL
Propagation Delay
Time
D to Q
15
7.0
11.0
1.0
13.0
1.0
13.0
ns
50
9.5
14.5
1.0
16.5
1.0
16.5
15
4.5
6.8
1.0
8.0
1.0
8.0
50
6.0
8.8
1.0
10.0
1.0
10.0
t
PZL
t
PZH
Output Enable
Time
15
R
L
= 1K
R
L
= 1K
R
L
= 1K
R
L
= 1K
R
L
= 1K
R
L
= 1K
7.3
11.5
1.0
13.5
1.0
13.5
ns
50
9.8
15.0
1.0
17.0
1.0
17.0
15
5.2
7.7
1.0
9.0
1.0
9.0
ns
50
6.7
9.7
1.0
11.0
1.0
11.0
t
PLZ
t
PHZ
Output Disable
Time
50
10.7
14.5
1.0
16.5
1.0
16.5
ns
50
6.7
9.7
1.0
11
1.0
11
t
w
Pulse Width (LE)
HIGH
5.0
5.0
5.0
ns
5.0
5.0
5.0
t
s
Setup Time D to LE
HIGH or LOW
3.5
3.5
3.5
ns
3.5
3.5
3.5
t
h
Setup Time D to LE
HIGH or LOW
1.5
1.5
1.5
ns
1.5
1.5
1.5
t
OSLH
t
OSHL
Output to Output
Skew time (note 1)
50
1.5
1.5
1.5
ns
50
1.0
1.0
1.0
Symbol
Parameter
Test Condition
Value
Unit
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
C
IN
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance
(note 1)
8
10
10
10
pF
C
OUT
10
pF
C
PD
29
pF
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