MC74ACT646 ON Semiconductor, MC74ACT646 Datasheet - Page 6

• Manufacturer Part Number: MC74ACT646
• Description: OCTAL TRANSCEIVER/REGISTER WITH 3-STATE OUTPUTS (NON-INVERTING)
• Manufacturer: ON Semiconductor

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DataSheet
4
U
AC OPERATING REQUIREMENTS
t s
t s
t h
t h
t w
t w
*Voltage Range 3.3 V is 3.3 V 0.3 V.
DC CHARACTERISTICS
V IH
V IL
V OH
V OL
I IN
I OZT
I OLD
I OHD
I CC
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
.com
Voltage Range 5.0 V is 5.0 V 0.5 V.
I CCT
Symbol
Symbol
Setup Time, HIGH or LOW
Bus to Clock
Hold Time, HIGH or LOW
Bus to Clock
Clock Pulse Width
HIGH or LOW
Minimum High Level
Input Voltage
Maximum Low Level
Input Voltage
Minimum High Level
Output Voltage
Maximum Low Level
Output Voltage
Maximum Input
Leakage Current
Additional Max. I CC /Input
Maximum
3-State
C
Current
†Minimum Dynamic
Maximum Quiescent
Supply Current
O t
Output Current
t C
Q
g
g
t
Parameter
Parameter
MC74AC646, MC74ACT646
http://onsemi.com
V CC
(V)
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
4.5
5.5
5 5
5.5
5.5
5.5
5.5
5.5
5 5
5.5
6
0.001
0.001
V CC *
4.49
5.49
Typ
T A = +25 C
1.5
1.5
1.5
1.5
0.6
(V)
3.3
5.0
3.3
5.0
3.3
5.0
–
–
–
–
–
–
–
–
–
–
–
74ACT
3.86
4.86
0.36
0.36
–1.5
–0.5
Typ
2.0
2.0
0.8
0.8
4.4
5.4
0.1
0.1
8 0
8.0
2.0
1.5
2.0
2.0
Guaranteed Limits
0 1
0.1
0.6
–
–
–
T A = +25 C
C L = 50 pF
74AC
–40 C to
74ACT
Guaranteed Minimum
+85 C
T A =
3.76
4.76
0.44
0.44
–75
5.0
4.0
0.5
3.5
3.5
2.0
2.0
0.8
0.8
4.4
5.4
0.1
0.1
1.5
75
80
80
1 0
1.0
6.0
0
T A = –40 C
C L = 50 pF
to +85 C
Unit
74AC
mA
mA
mA
V
V
V
V
V
V
V
V
V
V
5.5
4.5
1.0
4.5
3.5
A
A
A
A
A
0
V OUT = 0.1 V
or V CC – 0.1 V
V OUT = 0.1 V
or V CC – 0.1 V
I OUT = –50 A
*V IN = V IL or V IH
I OH
I OH
I OUT = 50 A
*V IN = V IL or V IH
I OL
I OL
V I = V CC GND
V I = V CC , GND
V I = V CC – 2.1 V
V I (OE) = V IL , V IH
V I = V CC , GND
V O = V CC , GND
V OLD = 1.65 V Max
V OHD = 3.85 V Min
V IN = V CC or GND
V IN = V CC or GND
Conditions
Unit
ns
ns
ns
ns
ns
ns
–24 mA
–24 mA
24 mA
24 mA
Fig.
3–9
3–9
3–9
3–9
3–6
3–6
No.