MC74AC648N Motorola, MC74AC648N Datasheet - Page 5

• Manufacturer Part Number: MC74AC648N
• Description: OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (INVERTING)
• Manufacturer: Motorola

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4
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
t PLH
t PLH
t PHL
t PHL
t PLH
t PLH
t PHL
t PHL
t PLH
t PLH
t PHL
t PHL
t PZH
t PZH
t PZL
t PZL
t PHZ
t PHZ
t PLZ
t PLZ
t PZH
t PZH
t PZL
t PZL
t PHZ
t PHZ
t PLZ
t PLZ
* Voltage Range 3.3 V is 3.3 V 0.3 V.
Voltage Range 5.0 V is 5.0 V 0.5 V.
Symbol
Symbol
Propagation Delay
Clock to Bus
Propagation Delay
Clock to Bus
Propagation Delay
Bus to Bus
Propagation Delay
Bus to Bus
Propagation Delay
SBA or SAB to A n or B n
(w/A n or B n HIGH or LOW)
Propagation Delay
SBA or SAB to A n or B n
SBA or SAB to A n or B n
(w/A n or B n HIGH or LOW)
(w/A n or B n HIGH or LOW)
Enable Time
G to A n or B n
G to A n or B n
Enable Time
G to A n or B n
G to A n or B n
Disable Time
G to A n or B n
G to A n or B n
Disable Time
G to A n or B n
G to A n or B n
Enable Time
DIR to A n or B n
DIR to A n or B n
Enable Time
DIR to A n or B n
DIR to A n or B n
Disable Time
DIR to A n or B n
DIR to A n or B n
Disable Time
DIR to A n or B n
DIR to A n or B n
Parameter
Parameter
MC74AC648 MC74ACT648
FACT DATA
5-5
V CC *
V CC *
(V)
(V)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
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
3.3
5.0
3.3
5.0
3.3
5.0
Min
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
1.5
T A = +25 C
C L = 50 pF
74AC
Typ
7.0
8.5
6.0
6.0
4.0
5.5
3.5
7.5
5.5
7.5
5.5
5.5
6.5
5.0
7.0
5.0
7.5
6.0
7.0
5.5
6.0
4.5
6.5
4.5
7.0
5.5
7.0
10
50
Max
15.5
13.5
10.5
12.5
12.5
11.5
12.5
11.5
13.5
7.0
9.0
7.5
9.0
9.5
9.5
8.0
8.0
9.0
9.5
9.0
9.0
9.5
11
10
11
11
12
10
13
Min
T A = –40 C
1.5
1.5
1.5
1.5
1.5
1.0
1.5
1.0
1.5
1.5
1.5
1.5
1.5
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.5
1.0
1.0
1.0
1.5
1.0
C L = 50 pF
to +85 C
74AC
Max
14.5
11.5
10.5
10.5
11.5
12.5
12.5
10.5
14.5
10.5
13.5
7.5
8.0
9.0
9.0
17
12
11
10
14
10
14
13
11
10
14
10
15
10
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Fig.
Fig.
No.
No.
3-6
3-6
3-6
3-6
3-5
3-5
3-5
3-5
3-6
3-6
3-6
3-6
3-7
3-7
3-8
3-8
3-7
3-7
3-8
3-8
3-7
3-7
3-8
3-8
3-7
3-7
3-8
3-8