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Part Number DM74ALS564AWM
Manufacturer Fairchild/ON Semiconductor
Datasheet DM74ALS564AWM Datasheet
Package 20-SOIC (0.295", 7.50mm Width)
In Stock 166 piece(s)
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Estimated Delivery Time Aug 7 - Aug 12 (Choose Expedited Shipping)
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Part Number # DM74ALS564AWM (Logic - Flip Flops) is manufactured by Fairchild/ON Semiconductor and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

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DM74ALS564AWM Specifications

ManufacturerFairchild/ON Semiconductor
CategoryIntegrated Circuits (ICs) - Logic - Flip Flops
Datasheet DM74ALS564AWMDatasheet
Package20-SOIC (0.295", 7.50mm Width)
Output TypeTri-State, Non-Inverted
Number of Elements1
Number of Bits per Element8
Clock Frequency30MHz
Max Propagation Delay @ V, Max CL14ns @ 5V, 50pF
Trigger TypePositive Edge
Current - Output High, Low2.6mA, 24mA
Voltage - Supply4.5 V ~ 5.5 V
Current - Quiescent (Iq)18mA
Input Capacitance-
Operating Temperature0°C ~ 70°C (TA)
Mounting TypeSurface Mount
Package / Case20-SOIC (0.295", 7.50mm Width)

DM74ALS564AWM Datasheet

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© 2000 Fairchild Semiconductor Corporation DS006225 September 1986 Revised February 2000 D M 7 4 A L S 5 6 4 A O c ta l D -T y p e E d g e -T rig g e re d F lip -F lo p w ith DM74ALS564A Octal D-Type Edge-Triggered Flip-Flop with 3-STATE Outputs General Description These 8-bit registers feature 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 provide these registers 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. They are particularly attractive for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers. The eight flip-flops of the DM74ALS564A are edge-trig- gered inverting D-type flip-flops. On the positive transition of the clock, the Q outputs will be set to the complement of 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 ■ Switching specifications at 50 pF ■ Switching specifications guaranteed over full tempera- ture and VCC range ■ Advanced oxide-isolated, ion-implanted Schottky TTL process ■ 3-STATE buffer-type outputs drive bus lines directly Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Order Number Package Number Package Description DM74ALS564AWM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide DM74ALS564AN N20A 20-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide

Page 3 2 D M 7 4 A L S 5 6 4 A Function Table L = LOW State H = HIGH State X = Don’t Care ↑ = Positive Edge Transition Z = High Impedance State Q0 = Previous Condition of Q Logic Diagram Output Clock D Output Control Q L ↑ H L L ↑ L H L L X Q0 H X X Z

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3 D M 7 4 A L S 5 6 4 A Absolute Maximum Ratings(Note 1) 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 Note 2: This product meets application requirements of 500 temperature cycles from −65°C to +150°C. Note 3: The (↑) arrow indicates the positive edge of the Clock is used for reference. Electrical Characteristics over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C. Supply Voltage 7V Input Voltage 7V Voltage Applied to Disabled Output 5.5V Operating Free Air Temperature Range 0°C to +70°C Storage Temperature Range −65°C to +150°C Typical θJA N Package 56.0°C/W M Package 75.0°C/W Symbol Parameter Min Nom Max Units VCC Supply Voltage 4.5 5 5.5 V VIH HIGH Level Input Voltage 2 V VIL LOW Level Input Voltage 0.8 V IOH HIGH Level Output Current −2.6 mA IOL LOW Level Output Current 24 mA fCLOCK Clock Frequency 0 30 MHz tW Width of Clock Pulse HIGH 14 ns LOW 14 ns tSU Data Setup Time (Note 3) 15↑ ns tH Data Hold Time (Note 3) 0↑ ns TA Free Air Operating Temperature 0 70 °C Symbol Parameter Conditions Min Typ Max Units VIK Input Clamp Voltage VCC = 4.5V, II = −18 mA −1.2 V VOH HIGH Level VCC = 4.5V IOH = Max 2.4 3.2 V Output Voltage VIL = VILMax VCC = 4.5V to 5.5V IOH = −400 µA VCC − 2 V VOL LOW Level VCC = 4.5V IOL = 12 mA 0.25 0.4 V Output Voltage VIH = 2V IOL = 24 mA 0.35 0.5 V II Input Current @ Maximum VCC = 5.5V, VIH = 7V 0.1 mA Input Voltage IIH HIGH Level Input Current VCC = 5.5V, VIH = 2.7V 20 µA IIL LOW Level Input Current VCC = 5.5V, VIL = 0.4V −0.2 mA IO Output Drive Current VCC = 5.5V, VO = 2.25V −30 −112 mA IOZH OFF-State Output Current VCC = 5.5V, VIH = 2V 20 µA HIGH Level Voltage Applied VO = 2.7V IOZL OFF-State Output Current VCC = 5.5V, VIH = 2V −20 µA LOW Level Voltage Applied VO = 0.4V ICC Supply Current VCC = 5.5V Outputs HIGH 10 18 mA Outputs OPEN Outputs LOW 15 24 mA Outputs Disabled 16 30 mA

Page 5 4 D M 7 4 A L S 5 6 4 A Switching Characteristics over recommended operating free air temperature range Symbol Parameter Conditions From To Min Max Units fMAX Maximum Clock Frequency VCC = 4.5V to 5.5V 30 MHz tPLH Propagation Delay Time RL = 500Ω Clock Any Q 4 14 ns LOW-to-HIGH Level Output CL = 50 pF tPHL Propagation Delay Time Clock Any Q 4 14 ns HIGH-to-LOW Level Output tPZH Output Enable Time Output Any Q 4 18 ns to HIGH Level Output Control tPZL Output Enable Time Output Any Q 4 18 ns to LOW Level Output Control tPHZ Output Disable Time Output Any Q 2 10 ns from HIGH Level Output Control tPLZ Output Disable Time Output Any Q 3 15 ns from LOW Level Output Control

Page 6

5 D M 7 4 A L S 5 6 4 A Physical Dimensions inches (millimeters) unless otherwise noted 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide Package Number M20B

DM74ALS564AWM Reviews

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July 18, 2020

Great price. Worked well for my needs.

Isa*****a Bir

July 16, 2020

A convenient and small package. I have used 2 of the 10 units so far and they work fine.


June 23, 2020

It arrived on time. I was able to finish a repair before Sunday service and with no over time. Easy to work with.


June 20, 2020

Item came in time and looks as described.


June 13, 2020

The parts as described and fast shipping. Thanks for the great service


June 11, 2020

I am always amazed at the cost of automotive or marine costs when a rectifier is needed while these will do the exact same thing if you are a bit technically minded to wire them up.


June 8, 2020

Good quality, buy back and then use, with the newly bought hard disk, very stable, at any time you can check things, not occupy space, very convenient.


June 7, 2020

I am satisfied with Heisener company

Reu***** Leal

June 6, 2020

Reasonable prices, fast shipping, and the best customer service I've ever experienced! Absolutely will share it to my friends.


June 4, 2020

These are great for projects with the kids or doing any type of DIY projects. The case is nice to keep everything separated. Very nice.

DM74ALS564AWM Guarantees

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