

Overview
The 74ACT244MTC is a buffers, Drivers, Receivers, Transceiver made by onsemi in a TSSOP-20 package with 20 pins. -40℃~+85℃ 2 24mA 24mA 4 4.5V~5.5V 40uA 74ACT 7ns@5V,50pF Bidirectional Output enable Tri-State 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. 27 are in stock at JLCPCB (part C897416). 1 open-source board in 1 repository on GitHub use it.
Symbol
Footprint
Parameters
12- Channel Type
- Bidirectional
- Current - Output High(IOH)
- 24mA
- Current - Output Low(IOL)
- 24mA
- Features
- Output enable
- Logic Family
- 74ACT
- Number of Bits per Element
- 4
- Number of Elements
- 2
- Operating Temperature
- -40℃~+85℃
- Propagation Delay
- 7ns@5V,50pF
- Quiescent Current
- 40uA
- Voltage - Supply
- 4.5V~5.5V
- output type
- Tri-State
Order codes
1- 74ACT244MTCLCSC C897416
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 |
Open-source boards using it
All 1- 2 layers90 × 100 mm

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Is there a KiCad symbol and footprint for the 74ACT244MTC?
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 74ACT244MTC?
TSSOP-20, with 20 pins. Its footprint is drawn on this page.
Where is the 74ACT244MTC datasheet?
onsemi publishes it: the Datasheet link on this page opens it.
Where can I order the 74ACT244MTC?
JLCPCB lists it as part C897416, with 27 in stock; the sellers' links on this page open their listings.
What can replace the 74ACT244MTC?
Parts like it in the library: the 74LVC245APW,118 by Nexperia, the SN74AHCT541PW by Texas Instruments, the SN74ACT244PW by Texas Instruments and the 74VHC245PW by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the 74ACT244MTC?
1 board in 1 repository on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
874LVC245APW,118
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TSSOP-20-40℃~+125℃ 1 4.5V~5.5V 40uA 74AHCT 8 8mA 8mA 9.5ns@5V,50pF Tri-State TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHSTexas InstrumentsBuffers, Drivers, Receivers, TransceiversSN74ACT244PW
TSSOP-20-40℃~+85℃ 2 24mA 24mA 4 4.5V~5.5V 40uA 74ACT 9.5ns@5V,50pF Tri-State Unidirectional TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHSTexas InstrumentsBuffers, Drivers, Receivers, Transceivers74VHC245PW
TSSOP-20-40℃~+125℃ 1 2V~5.5V 5ns@5V,50pF 74VHC 8 80uA 8mA 8mA Bidirectional Schmitt trigger Tri-State TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHSNexperiaBuffers, Drivers, Receivers, Transceivers74HC245KAJ
TSSOP-20-40℃~+85℃ 1 11ns@4.5V,50pF 3V~5.5V 54mA 74HC 75mA 8 8uA Bidirectional Output enable Tri-State TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHSShenzhen Fuman ElecBuffers, Drivers, Receivers, TransceiversSN74LVC244APW
TSSOP-20-40℃~+125℃ 1.65V~3.6V 2 24mA 24mA 3.9ns@3.3V,50pF 4 40uA 74LVC Tri-State Unidirectional TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHSTexas InstrumentsBuffers, Drivers, Receivers, Transceivers74HCT244PW
TSSOP-20-40℃~+125℃ 13ns@4.5V,15pF 160uA 2 4 4.5V~5.5V 6mA 6mA 74HCT Tri-State Unidirectional TSSOP-20 Buffers, Drivers, Receivers, Transceivers ROHSNexperiaBuffers, Drivers, Receivers, Transceivers74HC244PW
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