MC74AC374 [MOTOROLA]
OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS; 八路D型IP- FL佛罗里达州运与三态输出
| 型号： | MC74AC374 |
| 厂家： | 
MOTOROLA |
| 描述： | OCTAL D-TYPE FLIP-FLOP WITH 3-STATE OUTPUTS |
| 文件： | 总7页 (文件大小：199K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
OCTAL D-TYPE
FLIP-FLOP WITH
3-STATE OUTPUTS
The MC74AC374/74ACT374 is a high-speed, low-power octal D-type flip-flop
featuring separate D-type inputs for each flip-flop and 3-state outputs for bus-
oriented applications. A buffered Clock (CP) and Output Enable (OE) are common
to all flip-flops.
• Buffered Positive Edge-Triggered Clock
• 3-State Outputs for Bus-Oriented Applications
• Outputs Source/Sink 24 mA
• See MC74AC273 for Reset Version
• See MC74AC377 for Clock Enable Version
• See MC74AC373 for Transparent Latch Version
• See MC74AC574 for Broadside Pinout Version
• See MC74AC564 for Broadside Pinout Version with Inverted Outputs
• ′ACT374 Has TTL Compatible Inputs
N SUFFIX
CASE 738-03
PLASTIC
V
O
D
D
O
O
D
D
O
4
CP
11
CC
7
7
6
6
5
5
4
20
19
18
17
16
15
14
12
13
DW SUFFIX
CASE 751D-04
PLASTIC
1
2
3
4
5
6
7
9
8
10
LOGIC SYMBOL
OE
O
D
D
O
O
D
D
O
3
GND
0
0
1
1
2
2
3
PIN NAMES
D
O
D
D
D
O
D
O
D
O
D
O
D
O
0
1
2
3
4
5
6
7
CP
OE
D –D
0
Data Inputs
Clock Pulse Input
7
CP
O
O
2
0
1
3
4
5
6
7
OE
O –O
0
3-State Output Enable Input
3-State Outputs
7
TRUTH TABLE
Inputs
Outputs
D
CP
OE
O
n
n
H
L
X
L
L
H
H
L
Z
X
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
= LOW-to-HIGH Transition
FACT DATA
5-1
MC74AC374 MC74ACT374
FUNCTIONAL DESCRIPTION
The MC74AC374/74ACT374 consists of eight edge-
triggered flip-flops with individual D-type inputs and 3-state
true outputs. The buffered clock and buffered Output Enable
are common to all flip-flops. The eight flip-flops will store the
state of their individual D inputs that meet the setup and hold
timerequirements on the LOW-to-HIGH Clock (CP) transition.
With the Output Enable (OE) LOW, the contents of the eight
flip-flops are available at the outputs. When the OE is HIGH,
the outputs go to the high impedance state. Operation of the
OE input does not affect the state of the flip-flops.
LOGIC DIAGRAM
D
D
D
D
D
D
D
D
7
0
1
2
3
4
5
6
CP
CP
Q
D
Q
CP
Q
D
CP
Q
D
Q
CP
Q
D
Q
CP
Q
D
Q
CP
Q
D
Q
CP
Q
D
Q
CP
Q
D
Q
Q
OE
O
O
O
O
O
O
O
O
7
0
1
2
3
4
5
6
Please note that this diagram is provided only for the understanding of logic
operations and should not be used to estimate propagation delays.
MAXIMUM RATINGS*
Symbol
Parameter
Value
Unit
V
V
V
DC Supply Voltage (Referenced to GND)
DC Input Voltage (Referenced to GND)
DC Output Voltage (Referenced to GND)
DC Input Current, per Pin
–0.5 to +7.0
CC
–0.5 to V
+0.5
V
in
CC
V
out
–0.5 to V
+0.5
V
CC
I
I
I
±20
mA
mA
mA
°C
in
DC Output Sink/Source Current, per Pin
±50
±50
out
CC
DC V
or GND Current per Output Pin
Storage Temperature
CC
T
stg
–65 to +150
* 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
2.0
4.5
0
Typ
5.0
5.0
Max
6.0
Unit
V
′AC
V
Supply Voltage
CC
′ACT
5.5
V , V
in out
DC Input Voltage, Output Voltage (Ref. to GND)
V
CC
V
V
CC
V
CC
V
CC
V
CC
V
CC
@ 3.0 V
@ 4.5 V
@ 5.5 V
@ 4.5 V
@ 5.5 V
150
40
Input Rise and Fall Time (Note 1)
′AC Devices except Schmitt Inputs
ns/V
t , t
r f
25
10
Input Rise and Fall Time (Note 2)
′ACT Devices except Schmitt Inputs
t , t
r f
ns/V
8.0
T
Junction Temperature (PDIP)
Operating Ambient Temperature Range
Output Current — High
140
85
°C
°C
J
T
A
–40
25
I
I
–24
24
mA
mA
OH
Output Current — Low
OL
1. V from 30% to 70% V ; see individual Data Sheets for devices that differ from the typical input rise and fall times.
in
CC
2. V from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
in
FACT DATA
5-2
MC74AC374 MC74ACT374
DC CHARACTERISTICS
Symbol
74AC
= +25°C
74AC
T
A
=
V
(V)
CC
Parameter
Unit
Conditions
T
A
–40°C to +85°C
Typ
Guaranteed Limits
V
V
V
3.0
4.5
5.5
1.5
2.25
2.75
2.1
3.15
3.85
2.1
3.15
3.85
V
= 0.1 V
– 0.1 V
Minimum High Level
Input Voltage
IH
OUT
V
V
V
or V
CC
= 0.1 V
OUT
3.0
4.5
5.5
1.5
2.25
2.75
0.9
1.35
1.65
0.9
1.35
1.65
V
Maximum Low Level
Input Voltage
IL
or V
– 0.1 V
CC
3.0
4.5
5.5
2.99
4.49
5.49
2.9
4.4
5.4
2.9
4.4
5.4
I
= –50 µA
Minimum High Level
Output Voltage
OH
OUT
*V = V or V
IN IL IH
3.0
4.5
5.5
2.56
3.86
4.86
2.46
3.76
4.76
–12 mA
–24 mA
–24 mA
V
V
V
I
OH
V
OL
3.0
4.5
5.5
0.002
0.001
0.001
0.1
0.1
0.1
0.1
0.1
0.1
I = 50 µA
OUT
Maximum Low Level
Output Voltage
*V = V or V
IN IL
IH
3.0
4.5
5.5
0.36
0.36
0.36
0.44
0.44
0.44
12 mA
I
24 mA
24 mA
OL
I
IN
Maximum Input
Leakage Current
5.5
5.5
±0.1
±0.5
±1.0
±5.0
µA
µA
V = V , GND
CC
I
I
V (OE) = V , V
IL IH
Maximum
3-State
Current
OZ
I
V = V , GND
I
CC
= V , GND
CC
V
O
I
I
I
5.5
5.5
75
mA
mA
V
= 1.65 V Max
†Minimum Dynamic
Output Current
OLD
OHD
CC
OLD
OHD
–75
V
V
= 3.85 V Min
Maximum Quiescent
Supply Current
5.5
8.0
80
µA
= V or GND
CC
IN
* All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
Note: I and I
@ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V V
.
IN CC
CC
FACT DATA
5-3
MC74AC374 MC74ACT374
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74AC
74AC
T
= –40°C
A
T
C
= +25°C
= 50 pF
V
(V)
*
Fig.
No.
A
L
CC
Symbol
Parameter
to +85°C
C
Unit
= 50 pF
L
Min
Typ
Max
Min
Max
Maximum Clock
Frequency
3.3
5.0
60
100
110
155
60
100
f
t
t
t
t
t
t
MHz
ns
3-3
3-6
3-6
3-7
3-8
3-7
3-8
max
Propagation Delay
3.3
5.0
3.0
2.5
11
8.0
13.5
9.5
1.5
1.5
15.5
10.5
PLH
PHL
PZH
PZL
PHZ
PLZ
CP to O
n
Propagation Delay
CP to O
3.3
5.0
2.5
2.0
10
7.0
12.5
9.0
2.0
1.5
14
10
ns
n
3.3
5.0
3.0
2.0
9.5
7.0
11.5
8.5
1.5
1.0
13
9.5
Output Enable Time
Output Enable Time
Output Disable Time
Output Disable Time
ns
3.3
5.0
2.5
2.0
9.0
6.5
11.5
8.5
1.5
1.0
13
9.5
ns
3.3
5.0
3.0
2.0
10.5
8.0
12.5
11
2.0
2.0
14.5
12.5
ns
3.3
5.0
2.0
1.5
8.0
6.5
11.5
8.5
1.0
1.0
12.5
10
ns
* 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
T
= –40°C
A
T
C
= +25°C
= 50 pF
V
CC
(V)
*
Fig.
No.
A
L
Symbol
Parameter
to +85°C
= 50 pF
Unit
C
L
Typ
Guaranteed Minimum
Setup Time, HIGH or LOW
to CP
3.3
5.0
2.0
1.0
5.5
4.0
6.0
4.5
t
t
t
ns
ns
ns
3-9
3-9
3-6
s
D
n
Hold Time, HIGH or LOW
to CP
3.3
5.0
–1.0
0
1.0
1.5
1.0
1.5
h
w
D
n
CP Pulse Width
HIGH or LOW
3.3
5.0
4.0
2.5
5.5
4.0
6.0
4.5
* Voltage Range 3.3 V is 3.3 V ±0.3 V.
Voltage Range 5.0 V is 5.0 V ±0.5 V.
FACT DATA
5-4
MC74AC374 MC74ACT374
DC CHARACTERISTICS
Symbol
74ACT
= +25°C
74ACT
T
A
=
V
(V)
CC
Parameter
Unit
Conditions
T
A
–40°C to +85°C
Typ
Guaranteed Limits
V
V
V
4.5
5.5
1.5
1.5
2.0
2.0
2.0
2.0
V
= 0.1 V
– 0.1 V
Minimum High Level
Input Voltage
IH
OUT
V
V
V
or V
CC
= 0.1 V
OUT
4.5
5.5
1.5
1.5
0.8
0.8
0.8
0.8
V
Maximum Low Level
Input Voltage
IL
or V
– 0.1 V
CC
4.5
5.5
4.49
5.49
4.4
5.4
4.4
5.4
I
= –50 µA
Minimum High Level
Output Voltage
OH
OUT
*V = V or V
IN IL IH
4.5
5.5
3.86
4.86
3.76
4.76
V
V
V
–24 mA
–24 mA
I
OH
V
OL
4.5
5.5
0.001
0.001
0.1
0.1
0.1
0.1
I = 50 µA
OUT
Maximum Low Level
Output Voltage
*V = V or V
IN IL
IH
4.5
5.5
0.36
0.36
0.44
0.44
24 mA
24 mA
I
OL
I
IN
Maximum Input
Leakage Current
5.5
5.5
±0.1
±1.0
µA
V = V , GND
I
CC
∆I
CCT
Additional Max. I /Input
CC
0.6
1.5
mA
V = V
– 2.1 V
I
CC
I
V (OE) = V , V
IL IH
Maximum
3-State
Current
OZ
I
5.5
±0.5
±5.0
µA
V = V , GND
I
CC
= V , GND
CC
V
O
I
I
I
5.5
5.5
75
mA
mA
V
= 1.65 V Max
†Minimum Dynamic
Output Current
OLD
OLD
OHD
–75
V
V
= 3.85 V Min
OHD
CC
Maximum Quiescent
Supply Current
5.5
8.0
80
µA
= V
CC
or GND
IN
* 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
T
= –40°C
A
T
C
= +25°C
= 50 pF
V
(V)
*
Fig.
No.
A
L
CC
Symbol
Parameter
to +85°C
= 50 pF
Unit
C
L
Min
Typ
Max
Min
Max
Maximum Clock
Frequency
f
t
t
5.0
5.0
5.0
100
160
90
MHz
ns
3-3
3-6
3-6
max
Propagation Delay
2.0
2.0
8.5
8.0
10
2.0
1.5
11.5
11
PLH
PHL
CP to O
n
Propagation Delay
CP to O
9.5
ns
n
t
t
t
t
Output Enable Time
Output Enable Time
Output Disable Time
Output Disable Time
5.0
5.0
5.0
5.0
2.0
1.5
1.5
1.5
8.0
8.0
8.5
7.0
9.5
9.0
1.5
1.5
1.0
1.0
10.5
10.5
12.5
10
ns
ns
ns
ns
3-7
3-8
3-7
3-8
PZH
PZL
PHZ
PLZ
11.5
8.5
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
FACT DATA
5-5
MC74AC374 MC74ACT374
AC OPERATING REQUIREMENTS
74ACT
74ACT
= –40°C
T
A
T
C
= +25°C
= 50 pF
V
(V)
*
Fig.
No.
A
CC
Symbol
Parameter
to +85°C
= 50 pF
Unit
L
C
L
Typ
Guaranteed Minimum
Setup Time, HIGH or LOW
to CP
t
t
t
5.0
5.0
5.0
1.0
5.0
1.5
5.0
5.5
1.5
5.0
ns
ns
ns
3-9
3-9
3-6
s
D
n
Hold Time, HIGH or LOW
to CP
0
h
w
D
n
CP Pulse Width
HIGH or LOW
2.5
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
CAPACITANCE
Symbol
Value
Typ
Parameter
Unit
Test Conditions
C
C
Input Capacitance
Power Dissipation Capacitance
4.5
80
pF
pF
V
V
= 5.0 V
= 5.0 V
IN
CC
PD
CC
FACT DATA
5-6
MC74AC374 MC74ACT374
OUTLINE DIMENSIONS
N SUFFIX
PLASTIC DIP PACKAGE
CASE 738–03
ISSUE E
–A–
NOTES:
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
20
1
11
2. CONTROLLING DIMENSION: INCH.
3. DIMENSION L TO CENTER OF LEAD WHEN
FORMED PARALLEL.
4. DIMENSION B DOES NOT INCLUDE MOLD
FLASH.
B
10
L
C
INCHES
MILLIMETERS
DIM
A
B
C
D
MIN
MAX
1.070
0.260
0.180
0.022
MIN
25.66
6.10
3.81
0.39
MAX
27.17
6.60
4.57
0.55
1.010
0.240
0.150
0.015
–T–
SEATING
PLANE
K
E
0.050 BSC
1.27 BSC
M
0.050
0.070
1.27
1.77
F
G
J
K
L
N
E
0.100 BSC
2.54 BSC
0.008
0.110
0.015
0.140
0.21
2.80
0.38
3.55
G
F
J 20 PL
0.300 BSC
7.62 BSC
D 20 PL
0.25 (0.010)
M
M
0.25 (0.010)
T B
M
N
0
15
0
15
0.020
0.040
0.51
1.01
M
M
T
A
DW SUFFIX
PLASTIC SOIC PACKAGE
CASE 751D–04
ISSUE E
NOTES:
–A–
1. DIMENSIONING AND TOLERANCING PER
ANSI Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
20
11
4. MAXIMUM MOLD PROTRUSION 0.150
(0.006) PER SIDE.
10X P
–B–
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.
M
M
0.010 (0.25)
B
1
10
J
MILLIMETERS
INCHES
20X D
DIM
A
B
C
D
F
G
J
K
M
P
MIN
12.65
7.40
2.35
0.35
0.50
MAX
12.95
7.60
2.65
0.49
0.90
MIN
MAX
0.510
0.299
0.104
0.019
0.035
0.499
0.292
0.093
0.014
0.020
M
S
S
0.010 (0.25)
T
A
B
F
R X 45
1.27 BSC
0.050 BSC
0.25
0.10
0
10.05
0.25
0.32
0.25
7
10.55
0.75
0.010
0.004
0
0.395
0.010
0.012
0.009
7
0.415
0.029
C
SEATING
PLANE
–T–
R
M
18X G
K
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MC74AC374/D
◊
相关型号：
MC74AC374DWCR2
Bus Driver, AC Series, 1-Func, 8-Bit, True Output, CMOS, PDSO20, PLASTIC, SOIC-20
MOTOROLA
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