MC74AC377DW [MOTOROLA]
OCTAL D FLIP-FLOP WITH CLOCK ENABLE; 八路D触发器与时钟使能
| 型号： | MC74AC377DW |
| 厂家： | 
MOTOROLA |
| 描述： | OCTAL D FLIP-FLOP WITH CLOCK ENABLE |
| 文件： | 总6页 (文件大小：203K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
OCTAL D
FLIP-FLOP WITH
CLOCK ENABLE
The MC74AC377/74ACT377 has eight edge-triggered, D-type flip-flops with
individual D inputs and Q outputs. The common buffered Clock (CP) input loads
all flip-flops simultaneously, when the Clock Enable (CE) is LOW.
The register is fully edge-triggered. The state of each D input, one setup time
before the LOW-to-HIGH clock transition, is transferred to the corresponding flip-
flop’s Q output. The CE input must be stable only one setup time prior to the
LOW-to-HIGH clock transition for predictable operation.
• Ideal for Addressable Register Applications
• Clock Enable for Address and Data Synchronization Applications
• Eight Edge-Triggered D Flip-Flops
• Buffered Common Clock
• Outputs Source/Sink 24 mA
N SUFFIX
CASE 738-03
PLASTIC
• See MC74AC273 for Master Reset Version
• See MC74AC373 for Transparent Latch Version
• See MC74AC374 for 3-State Version
• ′ACT377 Has TTL Compatible Inputs
V
O
D
D
O
O
D
D
O
4
CP
11
CC
7
7
6
6
5
5
4
DW SUFFIX
CASE 751D-04
PLASTIC
20
19
18
17
16
15
14
12
13
LOGIC SYMBOL
1
2
3
4
5
6
7
9
8
10
D
O
D
O
D
O
D
O
D
O
D
O
D
O
D
O
CE
O
0
D
0
D
1
O
1
O
2
D
2
D
3
O
3
GND
0
1
2
3
4
5
6
7
CP
CE
PIN NAMES
0
1
2
3
4
5
6
7
D –D
0
Data Inputs
Clock Enable (Active LOW)
Data Outputs
7
CE
Q –Q
0
CP
7
Clock Pulse Input
MODE SELECT-FUNCTION TABLE
Inputs
Outputs
Operating Mode
CP
CE
L
D
Q
n
n
Load′ 1′
Load ′0′
H
H
L
L
L
H
H
X
X
No Change
No Change
Hold (Do Nothing)
X
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
= LOW-to-HIGH Clock Transition
FACT DATA
5-1
MC74AC377 MC74ACT377
LOGIC DIAGRAM
D
D
D
D
D
D
D
D
7
0
1
2
3
4
5
6
CE
D
Q
D
Q
D
Q
D
Q
D
Q
D
Q
D
Q
D
Q
CP
CP
CP
CP
CP
CP
CP
CP
CP
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
–0.5 to +7.0
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
CC
–0.5 to V
+0.5
+0.5
V
in
CC
CC
V
out
–0.5 to V
V
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
–24
24
mA
mA
OH
OL
I
Output Current — Low
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
MC74AC377 MC74ACT377
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
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
V
I
24 mA
24 mA
OL
I
IN
Maximum Input
Leakage Current
5.5
±0.1
±1.0
µA
V = V , GND
I
CC
I
I
I
5.5
5.5
75
mA
mA
V
V
= 1.65 V Max
†Minimum Dynamic
Output Current
OLD
OHD
CC
OLD
–75
= 3.85 V Min
OHD
Maximum Quiescent
Supply Current
5.5
8.0
80
µA
V
IN
= V
CC
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: 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
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
= 50 pF
Unit
C
L
Min
Typ
Max
Min
Max
Maximum Clock
Frequency
3.3
5.0
90
140
75
125
f
t
t
MHz
ns
3-3
3-6
3-6
max
Propagation Delay
3.3
5.0
3.0
2.0
13
9.0
1.5
1.5
14
10
PLH
PHL
CP to Q
n
Propagation Delay
CP to Q
3.3
5.0
3.5
2.5
13
10
2.0
1.5
14.5
11
ns
n
* 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
5-3
MC74AC377 MC74ACT377
AC OPERATING REQUIREMENTS
74AC
74AC
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
Typ
Guaranteed Minimum
Setup Time, HIGH or LOW
to CP
3.3
5.0
5.5
4.0
6.0
4.5
t
t
t
t
t
ns
ns
ns
ns
ns
3-9
3-9
3-9
3-9
3-6
s
D
n
Hold Time, HIGH or LOW
to CP
3.3
5.0
0
1.0
0
1.0
h
s
D
n
Setup Time, HIGH or LOW
CE to CP
3.3
5.0
6.0
4.0
7.5
4.5
Hold Time, HIGH or LOW
CE to CP
3.3
5.0
0
1.0
0
1.0
h
w
CP Pulse Width
HIGH or LOW
3.3
5.0
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.
DC CHARACTERISTICS
74ACT
= +25°C
74ACT
T
A
=
V
(V)
CC
Symbol
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
–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
V
24 mA
I
OL
24 mA
I
IN
Maximum Input
Leakage Current
5.5
±0.1
±1.0
µA
V = V , GND
I
CC
∆I
Additional Max. I /Input
CC
5.5
5.5
5.5
0.6
1.5
75
mA
mA
mA
V = V
I
– 2.1 V
CCT
CC
I
V
= 1.65 V Max
= 3.85 V Min
OHD
†Minimum Dynamic
Output Current
OLD
OLD
I
–75
V
V
OHD
CC
I
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.
FACT DATA
5-4
MC74AC377 MC74ACT377
AC CHARACTERISTICS (For Figures and Waveforms — See Section 3)
74ACT
74ACT
= –40°C
T
A
T
C
= +25°C
= 50 pF
V
(V)
*
Fig.
No.
A
CC
Symbol
Parameter
to +85°C
Unit
L
C
= 50 pF
L
Min
Typ
Max
Min
Max
Maximum Clock
Frequency
f
t
t
5.0
5.0
5.0
140
125
MHz
ns
3-3
3-6
3-6
max
Propagation Delay
3.0
3.5
9.0
10
2.5
2.5
10
11
PLH
PHL
CP to Q
n
Propagation Delay
CP to Q
ns
n
* Voltage Range 5.0 V is 5.0 V ±0.5 V.
AC OPERATING REQUIREMENTS
74ACT
74ACT
= –40°C
T
A
T
C
= +25°C
= 50 pF
V
CC
(V)
*
Fig.
No.
A
Symbol
Parameter
to +85°C
= 50 pF
Unit
L
C
L
Typ
Guaranteed Minimum
Setup Time, HIGH or LOW
to CP
t
t
t
t
t
5.0
5.0
5.0
5.0
5.0
4.5
1.0
4.5
1.0
4.0
5.5
1.0
5.5
1.0
4.5
ns
ns
ns
ns
ns
3-9
3-9
3-9
3-9
3-6
s
D
n
Hold Time, HIGH or LOW
to CP
h
s
D
n
Setup Time, HIGH or LOW
CE to CP
Hold Time, HIGH or LOW
CE to CP
h
w
CP Pulse Width
HIGH or LOW
* 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
90
pF
pF
V
V
= 5.0 V
= 5.0 V
IN
CC
PD
CC
FACT DATA
5-5
MC74AC377 MC74ACT377
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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MC74AC377/D
◊
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