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MC54HC574A Datasheet(PDF) 1 Page - Motorola, Inc

Part # MC54HC574A
Description  OCTAL 3-STARE NONINVERTING D FLIP-FLOP
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MC54HC574A Datasheet(HTML) 1 Page - Motorola, Inc

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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
3–1
REV 7
© Motorola, Inc. 1997
3/97
Octal 3-State
Noninverting D Flip-Flop
High–Performance Silicon–Gate CMOS
The MC54/74HC574A is identical in pinout to the LS574. 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, all device outputs are forced to
the high–impedance state. Thus, data may be stored even when the outputs
are not enabled.
The HC574A is identical in function to the HCT374A but has the flip–flop
inputs on the opposite side of the package from the outputs to facilitate PC
board layout.
The HC574A is the noninverting version of the HC564.
• 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 µA
• 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
219
Q0
D1
D2
D3
D4
D5
D6
D7
CLOCK
OUTPUT ENABLE
3
4
5
6
7
8
9
11
1
18
17
16
15
14
13
12
Q1
Q2
Q3
Q4
Q5
Q6
Q7
NON–
INVERTING
OUTPUTS
PIN 20 = VCC
PIN 10 = GND
Design Criteria
Value
Units
Internal Gate Count*
66.5
ea
Internal Gate Propagation Delay
1.5
ns
Internal Gate Power Dissipation
5.0
µW
Speed Power Product
0.0075
pJ
* Equivalent to a two–input NAND gate.
MC54/74HC574A
PIN ASSIGNMENT
D4
D2
D1
D0
OUTPUT
ENABLE
GND
D7
D6
D5
D3
5
4
3
2
1
10
9
8
7
6
14
15
16
17
18
19
20
11
12
13
Q3
Q2
Q1
Q0
VCC
CLOCK
Q7
Q6
Q5
Q4
FUNCTION TABLE
Inputs
Output
OE
Clock
D
Q
LH
H
LL
L
L
L,H,
X
No Change
HX
X
Z
X = Don’t Care
Z = High Impedance
DW SUFFIX
SOIC PACKAGE
CASE 751D–04
N SUFFIX
PLASTIC PACKAGE
CASE 738–03
ORDERING INFORMATION
MC54HCXXXAJ
MC74HCXXXAN
MC74HCXXXADW
Ceramic
Plastic
SOIC
J SUFFIX
CERAMIC PACKAGE
CASE 732–03
1
20
1
20
1
20


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