參數(shù)資料
型號: MM74HC245AMTCX
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Octal 3-STATE Transceiver
中文描述: HC/UH SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝: 4.40 MM, MO-153, TSSOP-20
文件頁數(shù): 4/8頁
文件大?。?/td> 104K
代理商: MM74HC245AMTCX
www.fairchildsemi.com
4
M
AC Electrical Characteristics
V
CC
5V, T
A
25
q
C, t
r
t
f
6ns
AC Electrical Characteristics
V
CC
2.0V to 6.0V, C
L
50 pF, t
r
t
f
6ns (unless otherwise specified)
Note 5:
C
PD
determines the no load dynamic power consumption, P
D
C
PD
V
CC2
f I
CC
V
CC
, and the no load dynamic current consumption, I
S
C
PD
V
CC
f I
CC
.
Symbol
Parameter
Conditions
Typ
Guaranteed
Limit
17
35
Units
t
PHL
, t
PLH
t
PZH
, t
PZL
Maximum Propagation Delay
Maximum Output Enable
Time
C
L
45 pF
R
L
1 k
:
C
L
45 pF
R
L
1 k
:
C
L
5 pF
12
24
ns
ns
t
PHZ
, t
PLZ
Maximum Output Disable
Time
18
25
ns
Symbol
Parameter
Conditions
V
CC
T
A
25
q
C
Typ
31
41
T
A
40 to 85
q
C T
A
55 to 125
q
C
Guaranteed Limits
113
116
Units
t
PHL
,
t
PLH
Maximum Propagation
Delay
C
L
50 pF
C
L
150 pF
C
L
50 pF
C
L
150 pF
C
L
50 pF
C
L
150 pF
R
L
1 k
:
C
L
50 pF
C
L
150 pF
C
L
50 pF
C
L
150 pF
C
L
50 pF
C
L
150 pF
R
L
1 k
:
C
L
50 pF
2.0V
2.0V
90
96
135
128
ns
ns
4.5V
4.5V
6.0V
13
17
11
18
22
15
23
28
19
27
33
23
ns
ns
ns
6.0V
14
19
23
28
ns
t
PZH
,
t
PZL
Maximum Output Enable
Time
2.0V
71
190
240
285
ns
2.0V
4.5V
4.5V
81
26
31
240
38
48
300
48
60
360
57
72
ns
ns
ns
6.0V
6.0V
2.0V
21
25
39
32
41
135
41
51
169
48
61
203
ns
ns
ns
t
PHZ
,
t
PLZ
Maximum Output Disable
Time
4.5V
6.0V
2.0V
20
18
20
27
23
60
34
29
75
41
34
90
ns
ns
ns
t
TLH
, t
THL
Output Rise and Fall Time
C
L
50 pF
4.5V
6.0V
6
5
12
10
15
13
18
15
ns
ns
C
PD
Power Dissipation
Capacitance (Note 5)
G
V
IL
G
V
IH
50
5
pF
pF
C
IN
C
IN/OUT
Maximum Input Capacitance
Maximum Input/Output
Capacitance, A or B
5
15
10
20
10
20
10
20
pF
pF
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