Page 1
5-1
FACT DATA
The MC74AC533/74ACT533 consists of eight latches with 3-state outputs for
bus organized system applications. The flip-flops appear transparent to the data
when Latch Enable (LE) is HIGH. When LE is LOW, the data that meets the setup
time is latched. Data appears on the bus when the Output Enable (OE
) is LOW.
When OE
is HIGH, the bus output is in the high impedance state. The ′AC/ACT533
is the same as the ′AC/ACT373, except that the outputs are inverted. For description
and logic diagram please see the ′AC/ACT373 data sheet.
• Eight Latches in a Single Package
• 3-State Outputs for Bus Interfacing
• ′ACT533 Has TTL Compatible Inputs
• Inverted Output Version of ′ACT373
1920 18 17 16 15 14
21 3 4 5 6 7
V
CC
13
8
12
9
11
10
O7D7D6O6O5D5D4O4LE
OE
O
0D0
D1 O1O2D2D3O3GND
PIN NAMES
D0–D7 Data Inputs
LE Latch Enable Input
OE
Output Enable Input
O0–O7 Complementary 3-State Outputs
OCTAL TRANSPARENT
LATCH WITH
3-STATE OUTPUTS
N SUFFIX
CASE 738-03
PLASTIC
DW SUFFIX
CASE 751D-04
PLASTIC
LOGIC SYMBOL
VCC = Pin 20
GND = Pin 10
11
1
3 4 7 8 13 14 17 18
2 5 6 9 12 15 16 19
D0D1D2D3D4D5D6D
7
LE
O1O2O3O4O5O6O
7
OE
O
0
Page 2
MC74AC533 MC74ACT533
5-2
FACT DATA
D
G
O
D
G
O
D
G
O
D
G
O
D
G
O
D
G
O
D
G
O
D
G
O
D
1
D
2
D
3
D
4
D
5
D
6
D
7
LE
OE
O
0
O
1
O
2
O
3
O
4
O
5
O
6
O
7
D
0
Please note that this diagram is provided only for the understanding of logic
operations and should not be used to estimate propagation delays.
LOGIC DIAGRAM
MAXIMUM RATINGS*
Symbol Parameter Value Unit
V
CC
DC Supply Voltage (Referenced to GND) –0.5 to +7.0 V
V
in
DC Input Voltage (Referenced to GND) –0.5 to VCC +0.5 V
V
out
DC Output Voltage (Referenced to GND) –0.5 to VCC +0.5 V
I
in
DC Input Current, per Pin ±20 mA
I
out
DC Output Sink/Source Current, per Pin ±50 mA
I
CC
DC VCC or GND Current per Output Pin ±50 mA
T
stg
Storage Temperature –65 to +150 °C
* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the Recommended
Operating Conditions.
RECOMMENDED OPERATING CONDITIONS
Symbol Parameter Min Typ Max Unit
′AC 2.0 5.0 6.0
VCCSupply Voltage
′ACT 4.5 5.0 5.5
V
Vin, V
out
DC Input Voltage, Output Voltage (Ref. to GND) 0 V
CC
V
VCC @ 3.0 V 150
Input Rise and Fall Time (Note 1)
′AC Devices except Schmitt Inputs
VCC @ 4.5 V 40 ns/V
r
, t
f
′AC Devices except Schmitt Inputs
VCC @ 5.5 V 25
VCC @ 4.5 V 10
tr, t
f
Input Rise and Fall Time (Note 2)
′ACT Devices except Schmitt Inputs
VCC @ 5.5 V 8.0
ns/V
T
J
Junction Temperature (PDIP) 140 °C
T
A
Operating Ambient Temperature Range –40 25 85 °C
I
OH
Output Current — High –24 mA
I
OL
Output Current — Low 24 mA
1. Vin from 30% to 70% VCC; see individual Data Sheets for devices that differ from the typical input rise and fall times.
2. Vin from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
tr, t
f
Input Rise and Fall Time (Note 2)
Page 3
MC74AC533 MC74ACT533
5-3
FACT DATA
DC CHARACTERISTICS
74AC 74AC
Symbol
Parameter
V
CC
(V)
TA = +25°C
TA =
–40°C to +85°C
Unit
Conditions
Typ Guaranteed Limits
V
IH
3.0 1.5 2.1 2.1 V
OUT
= 0.1 V
4.5 2.25 3.15 3.15 V or VCC – 0.1 V
5.5 2.75 3.85 3.85
V
IL
3.0 1.5 0.9 0.9 V
OUT
= 0.1 V
4.5 2.25 1.35 1.35 V or VCC – 0.1 V
5.5 2.75 1.65 1.65
V
OH
3.0 2.99 2.9 2.9 I
OUT
= –50 µA
4.5 4.49 4.4 4.4 V
5.5 5.49 5.4 5.4
*VIN = VIL or V
IH
3.0 2.56 2.46
–12 mA
4.5 3.86 3.76
V
I
OH
–24 mA
5.5 4.86 4.76 –24 mA
V
OL
3.0 0.002 0.1 0.1 I
OUT
= 50 µA
4.5 0.001 0.1 0.1 V
5.5 0.001 0.1 0.1
*VIN = VIL or V
IH
3.0 0.36 0.44
12 mA
4.5 0.36 0.44
V
I
OL
24 mA
5.5 0.36 0.44 24 mA
I
IN
5.5
±0.1
±1.0
µA
VI = VCC, GND
I
OZ
VI (OE) = VIL, V
IH
5.5 ±0.5 ±5.0 µA VI = VCC, GND
VO = VCC, GND
I
OLD
5.5 75 mA V
OLD
= 1.65 V Max
I
OHD
Output Current
5.5 –75 mA V
OHD
= 3.85 V Min
I
CC
5.5
8.080µA
VIN = VCC or GND
* All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
Note: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
Minimum High Level
Input Voltage
Maximum Low Level
Input Voltage
Minimum High Level
Output Voltage
Maximum Low Level
Output Voltage
Maximum Input
Leakage Current
Maximum
3-State
Current
†Minimum Dynamic
Maximum Quiescent
Supply Current
Page 4
MC74AC533 MC74ACT533
5-4
FACT DATA
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74AC 74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Min Max Min Max
Propagation Delay
3.3 2.0 14.0 1.5 16.0
t
PLH
Dn to O
n
5.0 2.0 10.0 1.5 11.0
ns
3-5
Propagation Delay
3.3 2.0 13.0 1.5 14.5
t
PHL
Dn to O
n
5.0 2.0 9.5 1.5 10.5
ns
3-5
Propagation Delay
3.3 2.0 14.5 1.5 16.5
t
PLH
LE to O
n
5.0 2.0 10.5 1.5 11.5
ns
3-6
Propagation Delay
3.3 2.0 13.0 1.5 14.5
t
PHL
LE to O
n
5.0 2.0 10.0 1.5 11.0
ns
3-6
3.3 2.0 12.5 1.5 14.0
t
PZH
Output Enable Time
5.0 2.0 9.5 1.5 10.5
ns
3-7
3.3 2.0 12.5 1.5 14.0
t
PZL
Output Enable Time
5.0 2.0 9.5 1.5 10.5
ns
3-8
3.3 2.0 13.0 1.5 14.5
t
PHZ
Output Disable Time
5.0 2.0 10.0 1.5 11.0
ns
3-7
3.3 2.0 13.0 1.5 14.5
t
PLZ
Output Disable Time
5.0 2.0 10.0 1.5 11.0
ns
3-8
* Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
AC OPERATING REQUIREMENTS
74AC 74AC
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Guaranteed Minimum
Setup Time, HIGH or LOW 3.3 5.5 6.0
t
s
Dn to LE 5.0 4.0 4.5
ns
3-9
Hold Time, HIGH or LOW 3.3 1.5 1.0
t
h
Dn to LE 5.0 1.5 1.0
ns
3-9
3.3 6.0 6.5
twLE Pulse Width, HIGH
5.0 4.5 5.0
ns
3-6
* Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
Page 5
MC74AC533 MC74ACT533
5-5
FACT DATA
DC CHARACTERISTICS
74ACT 74ACT
Symbol
Parameter
V
CC
(V)
TA = +25°C
TA =
–40°C to +85°C
Unit
Conditions
Typ Guaranteed Limits
V
IH
4.5 1.5 2.0 2.0
V
OUT
= 0.1 V
5.5 1.5 2.0 2.0
V
or VCC – 0.1 V
V
IL
4.5 1.5 0.8 0.8
V
OUT
= 0.1 V
5.5 1.5 0.8 0.8
V
or VCC – 0.1 V
V
OH
4.5 4.49 4.4 4.4
I
OUT
= –50 µA
5.5 5.49 5.4 5.4
V
*VIN = VIL or V
IH
4.5 3.86 3.76 V
–24 mA
5.5 4.86 4.76
I
OH
–24 mA
V
OL
4.5 0.001 0.1 0.1
I
OUT
= 50 µA
5.5 0.001 0.1 0.1
V
*VIN = VIL or V
IH
4.5 0.36 0.44 V
24 mA
5.5 0.36 0.44
I
OL
24 mA
I
IN
5.5
±0.1
±1.0
µA
VI = VCC, GND
∆I
CCT
Additional Max. ICC/Input 5.5 0.6 1.5 mA VI = VCC – 2.1 V
I
OZ
VI (OE) = VIL, V
IH
5.5 ±0.5 ±5.0 µA VI = VCC, GND
VO = VCC, GND
I
OLD
5.5 75 mA V
OLD
= 1.65 V Max
I
OHD
Output Current
5.5 –75 mA V
OHD
= 3.85 V Min
I
CC
5.5
8.080µA
VIN = VCC or GND
* All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74ACT 74ACT
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Min Typ Max Min Max
t
PLH
n
5.0
2.5
10.5
2.0
11.5ns3-5
t
PHL
n
5.0
2.5
10.0
2.0
11.0ns3-5
t
PLH
n
5.0
2.5
10.5
2.0
11.5ns3-6
t
PHL
n
5.0
2.5
10.5
2.0
11.5ns3-6
t
PZH
Output Enable Time 5.0 2.0 10.0 1.5 11.0 ns 3-7
t
PZL
Output Enable Time 5.0 2.0 10.0 1.5 11.0 ns 3-8
t
PHZ
Output Disable Time 5.0 2.0 10.0 1.5 11.0 ns 3-7
t
PLZ
Output Disable Time 5.0 2.0 10.0 1.5 11.0 ns 3-8
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
Minimum High Level
Input Voltage
Maximum Low Level
Input Voltage
Minimum High Level
Output Voltage
Maximum Low Level
Output Voltage
Maximum Input
Leakage Current
Maximum
3-State
Current
†Minimum Dynamic
Maximum Quiescent
Supply Current
Propagation Delay
Dn to O
Propagation Delay
Dn to O
Propagation Delay
LE to O
Propagation Delay
LE to O
Page 6
MC74AC533 MC74ACT533
5-6
FACT DATA
AC OPERATING REQUIREMENTS
74ACT 74ACT
Symbol
Parameter
VCC*
(V)
TA = +25°C
CL = 50 pF
TA = –40°C
to +85°C
CL = 50 pF
Unit
Fig.
No.
Typ Guaranteed Minimum
t
s
5.0
3.0
4.0
ns
3-9
t
h
5.0
2.0
2.5
ns
3-9
twLE Pulse Width, HIGH
5.0
5.0
6.0
ns
3-6
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
Symbol Parameter
Value
Typ
Unit Test Conditions
C
IN
Input Capacitance 4.5 pF VCC = 5.0 V
C
PD
Power Dissipation Capacitance 40 pF VCC = 5.0 V
Setup Time, HIGH or LOW
Dn to LE
Hold Time, HIGH or LOW
Dn to LE
Page 7
MC74AC533 MC74ACT533
5-7
FACT DATA
OUTLINE DIMENSIONS
N SUFFIX
PLASTIC DIP PACKAGE
CASE 738–03
ISSUE E
DW SUFFIX
PLASTIC SOIC PACKAGE
CASE 751D–04
ISSUE E
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.150
(0.006) PER SIDE.
5. DIMENSION D DOES NOT INCLUDE
DAMBAR PROTRUSION. ALLOWABLE
DAMBAR PROTRUSION SHALL BE 0.13
(0.005) TOTAL IN EXCESS OF D
DIMENSION AT MAXIMUM MATERIAL
CONDITION.
–A–
–B–
20
1
11
10
S
A
M
0.010 (0.25) B
S
T
D20X
M
B
M
0.010 (0.25)
P10X
J
F
G
18X
K
C
–T–
SEATING
PLANE
M
R
X 45
_
DIM MIN MAX MIN MAX
INCHESMILLIMETERS
A 12.65 12.95 0.499 0.510
B 7.40 7.60 0.292 0.299
C 2.35 2.65 0.093 0.104
D 0.35 0.49 0.014 0.019
F 0.50 0.90 0.020 0.035
G 1.27 BSC 0.050 BSC
J 0.25 0.32 0.010 0.012
K 0.10 0.25 0.004 0.009
M 0 7 0 7
P 10.05 10.55 0.395 0.415
R 0.25 0.75 0.010 0.029
_ _
_ _
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE MOLD
FLASH.
M
L
J
20 PL
M
B
M
0.25 (0.010) T
DIM MIN MAX MIN MAX
MILLIMETERSINCHES
A 25.66 27.171.010 1.070
B 6.10 6.600.240 0.260
C 3.81 4.570.150 0.180
D 0.39 0.550.015 0.022
G 2.54 BSC0.100 BSC
J 0.21 0.380.008 0.015
K 2.80 3.550.110 0.140
L 7.62 BSC0.300 BSC
M 0 15 0 15
N 0.51 1.010.020 0.040
_ __ _
E
1.27 1.770.050 0.070
1
11
10
20
–A–
SEATING
PLANE
K
N
FG
D
20 PL
–T–
M
A
M
0.25 (0.010) T
E
B
C
F
1.27 BSC0.050 BSC
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MC74AC533/D
*MC74AC533/D*
◊
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