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DM74ALS374WM

Description
ALS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 0.300 INCH, MS-013, SOIC-20
Categorylogic    logic   
File Size754KB，8 Pages
ManufacturerRochester Electronics
Websitehttps://www.rocelec.com/
Environmental Compliance
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DM74ALS374WM Overview

ALS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 0.300 INCH, MS-013, SOIC-20

DM74ALS374WM Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerRochester Electronics
Parts packaging codeSOIC
package instructionSOP,
Contacts20
Reach Compliance Codeunknown
seriesALS
JESD-30 codeR-PDSO-G20
JESD-609 codee3
length12.8 mm
Logic integrated circuit typeBUS DRIVER
Humidity sensitivity level1
Number of digits8
Number of functions1
Number of ports2
Number of terminals20
Maximum operating temperature70 °C
Minimum operating temperature
Output characteristics3-STATE
Output polarityTRUE
Package body materialPLASTIC/EPOXY
encapsulated codeSOP
Package shapeRECTANGULAR
Package formSMALL OUTLINE
Peak Reflow Temperature (Celsius)260
propagation delay (tpd)16 ns
Certification statusCOMMERCIAL
Maximum seat height2.65 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)4.5 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyTTL
Temperature levelCOMMERCIAL
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch1.27 mm
Terminal locationDUAL
Maximum time at peak reflow temperatureNOT SPECIFIED
width7.5 mm

DM74ALS374WM Preview

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DM74ALS374 Octal 3-STATE D-Type Edge-Triggered Flip-Flop
September 1986
Revised February 2000
DM74ALS374
Octal 3-STATE D-Type Edge-Triggered Flip-Flop
General Description
This 8-bit register features totem-pole 3-STATE outputs
designed specifically for driving highly-capacitive or rela-
tively low-impedance loads. The high-impedance state and
increased high-logic-level drive provides this register with
the capability of being connected directly to and driving the
bus lines in a bus-organized system without need for inter-
face or pull-up components. It is particularly attractive for
implementing buffer registers, I/O ports, bidirectional bus
drivers, and working registers.
The eight flip-flops of the DM74ALS374 are edge-triggered
D-type flip-flops. On the positive transition of the clock, the
Q outputs will be set to the logic states that were set up at
the D inputs.
A buffered output control input can be used to place the
eight outputs in either a normal logic state (HIGH or LOW
logic levels) or a high-impedance state. In the high-imped-
ance state the outputs neither load nor drive the bus lines
significantly.
The output control does not affect the internal operation of
the flip-flops. That is, the old data can be retained or new
data can be entered even while the outputs are OFF.
Features
s
Switching specifications at 50 pF
s
Switching specifications guaranteed over full
temperature and V
CC
range
s
Advanced oxide-isolated, ion-implanted Schottky TTL
process
s
Functionally and pin-for-pin compatible with LS TTL
counterpart
s
Improved AC performance over DM74LS374 at approxi-
mately half the power
s
3-STATE buffer-type outputs drive bus lines directly
Ordering Code:
Order Number
DM74ALS374WM
DM74ALS374SJ
DM74ALS374N
Package Number
M20B
M20D
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Connection Diagram
© 2000 Fairchild Semiconductor Corporation
DS006113
www.fairchildsemi.com
DM74ALS374
Function Table
Output
Control
L
L
L
H
L
=
LOW State
H
=
HIGH State
X
=
Don’t Care
↑ =
Positive Edge Transition
Z
=
High Impedance State
Q
0
=
Previous Condition of Q
Clock
↑
↑
L
X
D
H
L
X
X
Output
Q
H
L
Q
0
Z
Logic Diagram
www.fairchildsemi.com
2
DM74ALS374
Absolute Maximum Ratings
(Note 1)
Supply Voltage
Input Voltage
Voltage Applied to Disabled Output
Operating Free Air Temperature Range
Storage Temperature Range (Note 2)
Typical
θ
JA
N Package
M Package
60.0°C/W
79.0°C/W
7V
7V
5.5V
0°C to
+70°C
−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.
Note 2:
This product meets application requirements of 500 temperature
cycles from
−65°C
to
+150°C.
Recommended Operating Conditions
Symbol
V
CC
V
IH
V
IL
I
OH
I
OL
f
CLOCK
t
W
t
SU
t
H
T
A
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Clock Frequency
Width of Clock Pulse
Data Setup Time (Note 3)
Data Hold Time (Note 3)
Free Air Operating Temperature
HIGH
LOW
0
14
14
10↑
0↑
0
70
Parameter
Min
4.5
2
0.8
−2.6
24
35
Nom
5
Max
5.5
Units
V
V
V
mA
mA
MHz
ns
ns
ns
ns
°C
Note 3:
The (↑) arrow indicates the positive edge of the Clock is used for reference.
DC Electrical Characteristics
over recommended operating free air temperature range. All typical values are measured at V
CC
=
5V, T
A
=
25°C.
Symbol
V
IK
V
OH
V
OL
I
I
I
IH
I
IL
I
O
I
OZH
I
OZL
I
CC
Parameter
Input Clamp Voltage
HIGH Level Output
Voltage
LOW Level Output
Voltage
Input Current @ Max.
Input Voltage
HIGH Level Input Current
LOW Level Input Current
Output Drive Current
OFF-State Output Current,
HIGH Level Voltage Applied
OFF-State Output Current,
LOW Level Voltage Applied
Supply Current
V
CC
=
5.5V
Outputs Open
Outputs HIGH
Outputs LOW
Outputs Disabled
11
19
20
V
CC
=
5.5V, V
O
=
0.4V
V
CC
=
5.5V, V
IH
=
2.7V
V
CC
=
5.5V, V
IL
=
0.4V
V
CC
=
5.5V
V
CC
=
5.5V, V
O
=
2.7V
V
O
=
2.25V
−30
V
CC
=
5.5V, V
IH
=
7V
V
CC
=
4.5V
V
CC
=
4.5V to 5.5V
V
CC
=
4.5V
Conditions
V
CC
=
4.5V, I
I
= −18
mA
I
OH
=
Max
I
OH
= −400 µA
I
OL
=
12 mA
I
OL
=
24 mA
2.4
V
CC
−
2
0.25
0.35
0.4
0.5
0.1
20
−0.2
−112
20
−20
19
28
31
3.2
Min
Typ
Max
−1.5
Units
V
V
V
V
V
mA
µA
mA
mA
µA
µA
mA
mA
mA
3
www.fairchildsemi.com
DM74ALS374
AC Electrical Characteristics
Symbol
f
MAX
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
Parameter
Maximum Clock Frequency
Propagation Delay Time
LOW-to-HIGH Level Output
Propagation Delay Time
HIGH-to-LOW Level Output
Output Enable Time
to HIGH Level Output
Output Enable Time
to LOW Level Output
Output Disable Time
from HIGH Level Output
Output Disable Time
from LOW Level Output
Conditions
V
CC
=
4.5V to 5.5V
R
L
=
500Ω
C
L
=
50 pF
Clock
Clock
Output
Control
Output
Control
Output
Control
Output
Control
Any Q
Any Q
Any Q
Any Q
Any Q
Any Q
From
To
Min
35
3
5
5
7
2
3
12
16
17
18
10
18
Max
Units
MHz
ns
ns
ns
ns
ns
ns
www.fairchildsemi.com
4
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DM74ALS374WM Related Products

DM74ALS374WM DM74ALS374WMX DM74ALS374N
Description ALS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 0.300 INCH, MS-013, SOIC-20 ALS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20, 0.300 INCH, MS-013, SOIC-20 Bus Driver, ALS Series, 1-Func, 8-Bit, True Output, TTL, PDIP20, 0.300 INCH, PLASTIC, MS-001, DIP-20
Is it lead-free? Lead free Lead free Lead free
Is it Rohs certified? conform to conform to conform to
Maker Rochester Electronics Rochester Electronics Rochester Electronics
Parts packaging code SOIC SOIC DIP
package instruction SOP, SOP, 0.300 INCH, PLASTIC, MS-001, DIP-20
Contacts 20 20 20
Reach Compliance Code unknown unknown unknown
series ALS ALS ALS
JESD-30 code R-PDSO-G20 R-PDSO-G20 R-PDIP-T20
JESD-609 code e3 e3 e3
length 12.8 mm 12.8 mm 26.075 mm
Logic integrated circuit type BUS DRIVER BUS DRIVER BUS DRIVER
Number of digits 8 8 8
Number of functions 1 1 1
Number of ports 2 2 2
Number of terminals 20 20 20
Maximum operating temperature 70 °C 70 °C 70 °C
Output characteristics 3-STATE 3-STATE 3-STATE
Output polarity TRUE TRUE TRUE
Package body material PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code SOP SOP DIP
Package shape RECTANGULAR RECTANGULAR RECTANGULAR
Package form SMALL OUTLINE SMALL OUTLINE IN-LINE
Peak Reflow Temperature (Celsius) 260 260 NOT APPLICABLE
propagation delay (tpd) 16 ns 16 ns 16 ns
Certification status COMMERCIAL COMMERCIAL Not Qualified
Maximum seat height 2.65 mm 2.65 mm 5.08 mm
Maximum supply voltage (Vsup) 5.5 V 5.5 V 5.5 V
Minimum supply voltage (Vsup) 4.5 V 4.5 V 4.5 V
Nominal supply voltage (Vsup) 5 V 5 V 5 V
surface mount YES YES NO
technology TTL TTL TTL
Temperature level COMMERCIAL COMMERCIAL COMMERCIAL
Terminal surface MATTE TIN MATTE TIN Matte Tin (Sn)
Terminal form GULL WING GULL WING THROUGH-HOLE
Terminal pitch 1.27 mm 1.27 mm 2.54 mm
Terminal location DUAL DUAL DUAL
Maximum time at peak reflow temperature NOT SPECIFIED NOT SPECIFIED NOT APPLICABLE
width 7.5 mm 7.5 mm 7.62 mm
Humidity sensitivity level 1 1 -

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