參數(shù)資料
型號(hào): 74ACTQ245PC
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 通用總線功能
英文描述: Quiet Series⑩ Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs
中文描述: ACT SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20
封裝: 0.300 INCH, PLASTIC, MS-001, DIP-20
文件頁數(shù): 5/11頁
文件大?。?/td> 141K
代理商: 74ACTQ245PC
5
www.fairchildsemi.com
7
AC Electrical Characteristics for ACQ
Note 14:
Voltage Range 5.0 is 5.0V
r
0.5V
Voltage Range 3.3 is 3.3V
r
0.3V
Note 15:
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 HIGH-to-LOW (t
OSHL
) or LOW-to-HIGH (t
OSLH
). Parameter guaranteed by design.
AC Electrical Characteristics for ACTQ
Note 16:
Voltage Range 5.0 is 5.0V
r
0.5V
Note 17:
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 HIGH-to-LOW (t
OSHL
) or LOW-to-HIGH (t
OSLH
). Parameter guaranteed by design.
Capacitance
V
CC
T
A
25
q
C
C
L
50 pF
Typ
7.5
5.0
T
A
40
q
C to 85
q
C
C
L
50 pF
Min
2.0
1.5
Symbol
Parameter
(V)
Units
(Note 14)
3.3
5.0
Min
2.0
1.5
Max
10.0
6.5
Max
10.5
7.0
t
PHL
t
PLH
t
PZL
t
PZH
t
PHZ
t
PLZ
t
OSHL
t
OSLH
Propagation Delay
Data to Output
ns
Output Enable Time
3.3
5.0
3.3
3.0
2.0
1.0
8.5
6.0
8.5
13.0
8.5
14.5
3.0
2.0
1.0
13.5
9.0
15.0
ns
Output Disable Time
ns
5.0
3.3
5.0
1.0
7.5
1.0
0.5
9.5
1.5
1.0
1.0
10.0
1.5
1.0
Output to Output Skew (Note 15)
Data to Output
ns
V
CC
T
A
25
q
C
C
L
50 pF
Typ
5.5
T
A
40
q
C to 85
q
C
C
L
50 pF
Min
1.5
Symbol
Parameter
(V)
Units
(Note 16)
5.0
Min
1.5
Max
7.0
Max
7.5
t
PHL
t
PLH
t
PZL
, t
PZH
t
PHZ
, t
PLZ
t
OSHL
t
OSLH
Propagation Delay
Data to Output
ns
Output Enable Time
Output Disable Time
Output to Output Skew (Note 17)
5.0
5.0
5.0
2.0
1.0
7.0
8.0
0.5
9.0
10.0
1.0
2.0
1.0
9.5
10.5
1.0
ns
ns
ns
Data to Output
Symbol
Parameter
Typ
4.5
Units
pF
Conditions
C
IN
C
I/O
C
PD
Input Capacitance
V
CC
OPEN
V
CC
5.0V
V
CC
5.0V
Input/Output Capacitance
Power Dissipation Capacitance
15
80.0
pF
pF
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