參數(shù)資料
型號: 74AC646
廠商: Fairchild Semiconductor Corporation
英文描述: Octal Transceiver/Register with 3-STATE Outputs
中文描述: 八路收發(fā)器/ 3注冊態(tài)輸出
文件頁數(shù): 7/10頁
文件大小: 72K
代理商: 74AC646
7
www.fairchildsemi.com
7
AC Electrical Characteristics for ACT
Note 10:
Voltage Range 5.0 is 5.0V
±
0.5V
V
CC
T
A
=
+
25
°
C
T
A
=
40
°
C to
+
85
°
C
Symbol
Parameter
(V)
C
L
=
50 pF
C
L
=
50 pF
Units
(Note 10)
Min
Typ
Max
Min
Max
t
PLH
Propagation Delay
5.0
3.5
12.0
14.5
3.0
16.0
ns
Clock to Bus
t
PHL
Propagation Delay
5.0
4.0
12.0
14.5
3.5
16.0
ns
Clock to Bus
t
PLH
Propagation Delay
5.0
3.0
8.5
10.5
2.5
11.5
ns
Bus to Bus
t
PHL
Propagation Delay
5.0
2.5
8.5
10.5
2.0
11.5
ns
Bus to Bus
t
PLH
Propagation Delay
SBA or SAB to A
n
to B
n
5.0
3.0
9.5
11.5
2.5
12.5
ns
(w/A
n
or B
n
HIGH or LOW)
t
PHL
Propagation Delay
SBA or SAB to A
n
to B
n
5.0
3.0
9.5
11.5
2.5
12.5
ns
(w/A
n
or B
n
HIGH or LOW)
t
PZH
Enable Time
5.0
2.0
9.0
11.0
1.5
12.0
ns
G to A
n
or B
n
t
PZL
Enable Time
5.0
3.5
9.0
11.0
3.0
12.0
ns
G to A
n
or B
n
t
PHZ
Disable Time
5.0
5.0
10.5
13.0
4.5
14.5
ns
G to A
n
or B
n
t
PLZ
Disable Time
5.0
3.5
10.0
12.5
3.0
14.0
ns
G to A
n
or B
n
t
PZH
Enable Time
5.0
2.0
6.5
10.5
1.5
11.5
ns
DIR to A
n
or B
n
t
PZL
Enable Time
5.0
3.5
6.5
10.5
3.0
11.5
ns
DIR to A
n
or B
n
t
PHZ
Disable Time
5.0
5.0
8.5
12.5
4.5
13.5
ns
DIR to A
n
or B
n
t
PLZ
Disable Time
5.0
3.5
8.5
12.5
3.0
13.5
ns
DIR to A
n
or B
n
相關(guān)PDF資料
PDF描述
74ACT646 ECONOLINE: RBM - New Micro Size SIP 6 Package- Industry Standard Pinout- 3kVDC Isolation- UL94V-0 Package Material- Efficiency to 85%
74AC648 Octal Transceiver/Register with 3-STATE Outputs
74AC648SC Single 8-Bit Inverting Bus Transceiver
74AC648SCX CMOS, Buffered, 12-Bit Multiplying DAC
74AC648SPC Single 8-Bit Inverting Bus Transceiver
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