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參數資料
| 型號： | MC54-74HC374A |
| 廠商： | Motorola, Inc. |
| 英文描述： | Octal 3-State Non-Inverting D Flip-Flop |
| 中文描述： | 八路三態非反相D觸發器 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 253K |
| 代理商： | MC54-74HC374A |
SEMICONDUCTOR TECHNICAL DATA
3–1
REV 7
Motorola, Inc. 1996
8/96
High–Performance Silicon–Gate CMOS
The MC54/74HC374A is identical in pinout to the LS374. The device
inputs are compatible with standard CMOS outputs; with pullup resistors,
they are compatible with LSTTL outputs.
Data meeting the setup time is clocked to the outputs with the rising edge
of the clock. The Output Enable input does not affect the states of the
flip–flops, but when Output Enable is high, the outputs are forced to the
high–impedance state; thus, data may be stored even when the outputs are
not enabled.
The HC374A is identical in function to the HC574A which has the input
pins on the opposite side of the package from the output. This device is
similar in function to the HC534A which has inverting outputs.
Output Drive Capability: 15 LSTTL Loads
Outputs Directly Interface to CMOS, NMOS, and TTL
Operating Voltage Range: 2.0 to 6.0 V
Low Input Current: 1.0
μ
A
High Noise Immunity Characteristic of CMOS Devices
In Compliance with the Requirements Defined by JEDEC Standard
No. 7A
Chip Complexity: 266 FETs or 66.5 Equivalent Gates
LOGIC DIAGRAM
DATA
INPUTS
D0
11
CLOCK
D1
D2
D3
D4
D5
D6
D7
18
17
14
13
8
7
4
3
1
OUTPUT ENABLE
19
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
16
15
12
9
6
5
2
PIN 20 = VCC
PIN 10 = GND
NONINVERTING
OUTPUTS
FUNCTION TABLE
Inputs
Output
Output
Enable
Clock
D
Q
L
L
L
H
H
L
X
X
H
L
L,H,
No Change
Z
X
X = don’t care
Z = high impedance
PIN ASSIGNMENT
Q2
D1
D0
Q0
OUTPUT
ENABLE
GND
Q3
D3
D2
Q1
5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
11
12
13
Q6
D6
D7
Q7
VCC
CLOCK
Q4
D4
D5
Q5
DW SUFFIX
SOIC PACKAGE
CASE 751D–04
N SUFFIX
PLASTIC PACKAGE
CASE 738–03
ORDERING INFORMATION
MC54HCXXXAJ
MC74HCXXXAN
MC74HCXXXADW
MC74HCXXXASD
MC74HCXXXADT
Ceramic
Plastic
SOIC
SSOP
TSSOP
DT SUFFIX
TSSOP PACKAGE
CASE 948E–02
J SUFFIX
CERAMIC PACKAGE
CASE 732–03
1
20
1
20
SD SUFFIX
SSOP PACKAGE
CASE 940C–03
1
20
1
20
1
20
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| MC74HC374A | Octal 3-State Non-Inverting D Flip-Flop |
| MC74HC374ADT | Octal 3-State Non-Inverting D Flip-Flop |
| MC74HC374ADW | Octal 3-State Non-Inverting D Flip-Flop |
| MC74HC374ADWR2 | Octal 3-State Non-Inverting D Flip-Flop |
| MC74HC374ADTR2 | Octal 3-State Non-Inverting D Flip-Flop |
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