Overview
The SN74ACT244PW is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a TSSOP-20 package with 20 pins. -40℃~+85℃ 2 24mA 24mA 4 4.5V~5.5V 40uA 74ACT 9.5ns@5V,50pF Tri-State Unidirectional TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC244, from KiCad's library) and its footprint (Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, from KiCad's library), ready for a KiCad board. 108,913 are in stock at JLCPCB (part C6930).
Symbol
Footprint
From the datasheet
11- Supply, least
- 4.5 V · VCC, recommended operating, min · p. 4
- Supply, most
- 5.5 V · VCC, recommended operating, max · p. 4
- Supply, absolute maximum
- 7 V · VCC, absolute maximum · p. 4
- Works from
- -40 °C · SN74ACT244 operating free-air temperature, min · p. 4
- Works up to
- 85 °C · SN74ACT244 operating free-air temperature, max · p. 4
- Junction, hottest
- 150 °C · junction temperature, absolute maximum · p. 4
- A pin gives at most
- 50 mA · continuous output source or sink, VO = 0 to VCC, absolute maximum · p. 4
- Takes working
- 40 µA · VCC = 5.5 V, inputs at VCC or GND, IO = 0, max · p. 6
- Junction to air (PW)
- 103 K/W · junction-to-ambient thermal resistance · p. 5
- Junction to board (PW)
- 54 K/W · junction-to-board thermal resistance · p. 5
- Junction to case (PW)
- 37.7 K/W · junction-to-case (top) thermal resistance · p. 5
Parameters
20- Channel Type
- Unidirectional
- Current - Output High(IOH)
- 24mA
- Current - Output High, Low
- 24mA、24mA
- Current - Output Low(IOL)
- 24mA
- Features
- Output enable
- Junction Temperature(Max)
- 150℃
- Logic Family
- 74ACT
- Logic Type
- Buffers，Non-OppositeSide
- Number of Bits per Element
- 4
- Number of Elements
- 2
- Operating Temperature
- -40℃~+85℃
- Output Current per Pin(Max)
- 50mA
- Propagation Delay
- 9.5ns@5V,50pF
- Quiescent Current
- 40uA
- Thermal Resistance(Junction to Ambient)
- 103℃/W
- Thermal Resistance(Junction to Board)
- 54℃/W
- Thermal Resistance(Junction to Case)
- 37.7℃/W
- Voltage - Supply
- 4.5V~5.5V
- Voltage - Supply(Absolute Max)
- 7V
- output type
- Tri-State
Order codes
3- SN74ACT244PWLCSC C1548312
- SN74ACT244PWRG4LCSC C2868424
- SN74ACT244PWRLCSC C6930
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | 1OE | Input |
| 2 | 1A0 | Input |
| 3 | 2Y0 | Tri-state |
| 4 | 1A1 | Input |
| 5 | 2Y1 | Tri-state |
| 6 | 1A2 | Input |
| 7 | 2Y2 | Tri-state |
| 8 | 1A3 | Input |
| 9 | 2Y3 | Tri-state |
| 10 | GND | Power in |
| 11 | 2A3 | Input |
| 12 | 1Y3 | Tri-state |
| 13 | 2A2 | Input |
| 14 | 1Y2 | Tri-state |
| 15 | 2A1 | Input |
| 16 | 1Y1 | Tri-state |
| 17 | 2A0 | Input |
| 18 | 1Y0 | Tri-state |
| 19 | 2OE | Input |
| 20 | VCC | Power in |
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Is there a KiCad symbol and footprint for the SN74ACT244PW?
Yes. The symbol is 74xx:74HC244 and the footprint Package_SO:TSSOP-20_4.4x6.5mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74ACT244PW?
TSSOP-20, with 20 pins. Its footprint is drawn on this page.
Where is the SN74ACT244PW datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74ACT244PW?
JLCPCB lists it as part C6930, with 108,913 in stock; the sellers' links on this page open their listings.
What can replace the SN74ACT244PW?
Parts like it in the library: the 74LVC245APW,118 by Nexperia, the SN74AHCT541PW by Texas Instruments, the 74VHC245PW by Nexperia and the 74HC245KAJ by Shenzhen Fuman Elec. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
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