
Overview
The CD74ACT646EN is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a PDIP-24 package with 24 pins. -55℃~+125℃ 15.5ns@5V,50pF 160uA 24mA 24mA 4.5V~5.5V 74ACT 8 Bidirectional Output enable Tri-State PDIP-24 Buffers, Drivers, Receivers, Transceivers.
PCBKit's library has its KiCad symbol (EasyEDA_Cloud:MC74LCX646DW, from EasyEDA) and its footprint (Package_DIP:DIP-24_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3587493).
Symbol
Footprint
Parameters
11- Channel Type
- Bidirectional
- Current - Output High(IOH)
- 24mA
- Current - Output Low(IOL)
- 24mA
- Features
- Output enable
- Logic Family
- 74ACT
- Number of Bits per Element
- 8
- Operating Temperature
- -55℃~+125℃
- Propagation Delay
- 15.5ns@5V,50pF
- Quiescent Current
- 160uA
- Voltage - Supply
- 4.5V~5.5V
- output type
- Tri-State
Order codes
1- CD74ACT646ENLCSC C3587493
Pinout
24| Pin | Name | Type |
|---|---|---|
| 1 | CAB | Unspecified |
| 2 | SAB | Unspecified |
| 3 | DIR | Unspecified |
| 4 | A0 | Unspecified |
| 5 | A1 | Unspecified |
| 6 | A2 | Unspecified |
| 7 | A3 | Unspecified |
| 8 | A4 | Unspecified |
| 9 | A5 | Unspecified |
| 10 | A6 | Unspecified |
| 11 | A7 | Unspecified |
| 12 | GND | Unspecified |
| 13 | B7 | Unspecified |
| 14 | B6 | Unspecified |
| 15 | B5 | Unspecified |
| 16 | B4 | Unspecified |
| 17 | B3 | Unspecified |
| 18 | B2 | Unspecified |
| 19 | B1 | Unspecified |
| 20 | B0 | Unspecified |
| 21 | OE# | Unspecified |
| 22 | SBA | Unspecified |
| 23 | CBA | Unspecified |
| 24 | VCC | Unspecified |
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Is there a KiCad symbol and footprint for the CD74ACT646EN?
Yes. The symbol is EasyEDA_Cloud:MC74LCX646DW and the footprint Package_DIP:DIP-24_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CD74ACT646EN?
PDIP-24, with 24 pins. Its footprint is drawn on this page.
Where is the CD74ACT646EN datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the CD74ACT646EN?
JLCPCB lists it as part C3587493, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD74ACT646EN?
Parts like it in the library: the AM29833APC by AMD, the AM29C853API by AMD, the 100313PC by onsemi and the 100322PC by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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