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DM74LS574 の電気的特性と機能

DM74LS574のメーカーはFairchild Semiconductorです、この部品の機能は「Octal D-Type Flip-Flop」です。


製品の詳細 ( Datasheet PDF )

部品番号 DM74LS574
部品説明 Octal D-Type Flip-Flop
メーカ Fairchild Semiconductor
ロゴ Fairchild Semiconductor ロゴ 




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DM74LS574 Datasheet, DM74LS574 PDF,ピン配置, 機能
March 1988
Revised March 2000
DM74LS574
Octal D-Type Flip-Flop with 3-STATE Outputs
General Description
The DM74LS574 is a high speed low power octal flip-flop
with a buffered common Clock (CP) and a buffered com-
mon Output Enable (OE). The information presented to the
D inputs is stored in the flip-flops on the LOW-to-HIGH
Clock (CP) transition.
This device is functionally identical to the DM74LS374
except for the pinouts.
Ordering Code:
Order Number Package Number Package Description
DM74LS574WM M20B
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
DM74LS574N N20A
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol
Connection Diagram
VCC = Pin 20
GND = Pin 10
Truth Table
Inputs
Dn CP
H
L
XX
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
Z = High Impedance
= HIGH-to-LOW Clock (CP) transition
Outputs
OE On
LH
LL
HZ
© 2000 Fairchild Semiconductor Corporation DS009815
www.fairchildsemi.com

1 Page





DM74LS574 pdf, ピン配列
Absolute Maximum Ratings(Note 1)
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range
65°C to +150°C
Note 1: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Symbol
VCC
VIH
VIL
IOH
IOL
TA
tS (H)
tS (L)
tH (H)
tH (L)
tW (H)
tW (L)
Parameter
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
Setup Time HIGH or LOW
Dn to CP
Hold Time HIGH or LOW
Dn to CP
CP Pulse Width
HIGH or LOW
Min
4.75
2
Nom
5
0
20
20
0
0
15
15
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
VI Input Clamp Voltage
VOH HIGH Level
Output Voltage
VOL LOW Level
Output Voltage
VCC = Min, II = −18 mA
VCC = Min, IOH = Max,
VIL = Max, VIH = Min
VCC = Min, IOL = Max,
VIL = Max, VIH = Min
2.4
IOL = 12 mA, VCC = Min
II
Input Current @ Max Input Voltage
VCC = Max, VI = 7V
IIH HIGH Level Input Current
VCC = Max, VI = 2.7V
IIL LOW Level Input Current
VCC = Max, VI = 0.4V
IOZH
OFF-State Output Current with
VCC = Max, VO = 2.4V
HIGH Level Output Voltage Applied
VIH = Min, VIL = Max
IOZL OFF-State Output Current with
VCC = Max, VO = 0.4V
LOW Level Output Voltage Applied
VIH = Min, VIL = Max
IOS Short Circuit Output Current (Note 3) VCC = Max
ICC Supply Current
VCC = Max (Note 4)
30
Note 2: All typicals are at VCC = 5V, TA = 25°C.
Note 3: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 4: ICC is measured with the DATA inputs grounded and the OUTPUT CONTROLS at 4.5V.
Max Units
5.25
V
V
0.8 V
2.6
mA
24 mA
70 °C
ns
ns
ns
Typ
(Note 2)
3.3
Max
1.5
0.35 0.5
0.25 0.4
0.1
20
400
20
20
130
45
Units
V
V
V
mA
µA
µA
µA
µA
mA
mA
3 www.fairchildsemi.com


3Pages


DM74LS574 電子部品, 半導体
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Package Number N20A
Fairchild does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and
Fairchild reserves the right at any time without notice to change said circuitry and specifications.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
www.fairchildsemi.com
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部品番号部品説明メーカ
DM74LS574

Octal D-Type Flip-Flop

Fairchild Semiconductor
Fairchild Semiconductor


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