MC74ACT259 Motorola, MC74ACT259 Datasheet - Page 6

• Manufacturer Part Number: MC74ACT259
• Description: 8-BIT ADDRESSABLE LATCH
• Manufacturer: Motorola

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 PHL
t PHL
* Voltage Range 3.3 V is 3.3 V 0.3 V.
AC OPERATING REQUIREMENTS
t s
t s
t h
t h
t s
t s
t h
t h
t w
t w
t w
t w
* Voltage Range 3.3 V is 3.3 V 0.3 V.
Voltage Range 5.0 V is 5.0 V 0.5 V.
Voltage Range 5.0 V is 5.0 V 0.5 V.
Symbol
Symbol
Symbol
Symbol
Propagation Delay
D n to Q n
Propagation Delay
D n to Q n
Propagation Delay
E to Q n
Propagation Delay
E to Q n
Propagation Delay
Address to Q n
Propagation Delay
Address to Q n
Propagation Delay
MR to Q
Setup Time, HIGH or LOW
D n to E
Hold Time, HIGH or LOW
D n to E
Setup Time
Address to E
Hold Time
Address to E
Minimum Pulse
Width MR
Minimum Pulse
Width E
Parameter
Parameter
Parameter
Parameter
MC74AC259 MC74ACT259
FACT DATA
5-6
V CC *
V CC *
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
3.3
5.0
(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
Min
Typ
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
2.0
T A = +25 C
C L = 50 pF
T A = +25 C
C L = 50 pF
74AC
74AC
10.5
12.0
10.0
Typ
9.0
6.5
9.0
6.0
7.0
8.0
7.5
8.0
7.0
8.0
6.0
Guaranteed Minimum
3.5
2.5
2.5
2.0
7.0
4.0
2.0
2.0
6.0
5.5
6.5
5.5
Max
14.5
10.0
13.5
15.0
10.5
12.5
19.0
13.0
16.0
11.0
12.0
9.5
9.0
9.0
Min
T A = –40 C
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 = –40 C
C L = 50 pF
C L = 50 pF
to +85 C
to +85 C
74AC
74AC
4.5
3.5
2.5
2.0
9.0
6.0
2.0
2.0
6.5
6.0
7.0
6.0
Max
17.0
11.5
16.0
11.0
17.5
12.5
15.0
11.0
22.5
15.5
19.0
13.0
13.5
10.0
Unit
Unit
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
Fig.
Fig.
Fig.
Fig.
No.
No.
No.
No.
3-5
3-5
3-5
3-5
3-6
3-6
3-6
3-6
3-6
3-6
3-6
3-6
3-7
3-7
3-9
3-9
3-9
3-9
3-6
3-6
3-6
3-6
3-6
3-6
3-6
3-6