CD74HCT299E
Texas InstrumentsExtended
-55℃~+125℃ 2 25MHz 25mA 4.5V~5.5V 45ns@4.5V,50pF 74HCT 8 Asynchronous clear function、Output enable、Asynchronous parallel load function、Supports forward and reverse shift TTL Compatible CMOS Tri-State PDIP-20 Shift Registers ROHS
- Part id
- ti/CD74HCT299E
- Category
- Shift Registers
- Package
- PDIP-20
- Pins
- 20
- In stock
- 20 at JLCPCB (C2879030)
Overview
The CD74HCT299E is a shift Register made by Texas Instruments in a PDIP-20 package with 20 pins. -55℃~+125℃ 2 25MHz 25mA 4.5V~5.5V 45ns@4.5V,50pF 74HCT 8 Asynchronous clear function、Output enable、Asynchronous parallel load function、Supports forward and reverse shift TTL Compatible CMOS Tri-State PDIP-20 Shift Registers ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS299, from KiCad's library) and its footprint (Package_DIP:DIP-20_W7.62mm, from KiCad's library), ready for a KiCad board. 20 are in stock at JLCPCB (part C2879030).
Symbol
Footprint
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | S0 | Input |
| 2 | OE1 | Input |
| 3 | OE2 | Input |
| 4 | IO6 | Tri-state |
| 5 | IO4 | Tri-state |
| 6 | IO2 | Tri-state |
| 7 | IO0 | Tri-state |
| 8 | Q0 | Output |
| 9 | Mr | Input |
| 10 | GND | Power in |
| 11 | Ds0 | Input |
| 12 | Cp | Input |
| 13 | IO1 | Tri-state |
| 14 | IO3 | Tri-state |
| 15 | IO5 | Tri-state |
| 16 | IO7 | Tri-state |
| 17 | Q7 | Output |
| 18 | Ds7 | Input |
| 19 | S1 | Input |
| 20 | VCC | Power in |
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8
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Questions
Is there a KiCad symbol and footprint for the CD74HCT299E?
Yes. The symbol is 74xx:74LS299 and the footprint Package_DIP:DIP-20_W7.62mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CD74HCT299E?
PDIP-20, with 20 pins. Its footprint is drawn on this page.
Where is the CD74HCT299E datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the CD74HCT299E?
JLCPCB lists it as part C2879030, with 20 in stock; the sellers' links on this page open their listings.
What can replace the CD74HCT299E?
Parts like it in the library: the 74HC595D(XBLW) by XBLW, the SN74HCT165PW by Texas Instruments, the CD74HCT166M96 by Texas Instruments and the CD74HCT166E by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.