Overview
The SN74HCT74DB is a flip Flop made by Texas Instruments in a SSOP-14-208mil package with 14 pins. 25ns@5.5V,50pF 3pF 4.5V~5.5V 46MHz 4mA 4mA 4uA 74HCT Series Complementary D-Type Rising Edge Set and Reset SSOP-14-208mil Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74HCT74, from KiCad's library) and its footprint (Package_SO:SSOP-14_5.3x6.2mm_P0.65mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2677715).
Symbol
Footprint
Parameters
12- Clock Frequency
- 46MHz
- Current - Output High(IOH)
- 4mA
- Current - Output Low(IOL)
- 4mA
- Function
- 置位和复位
- Input Capacitance
- 3pF
- Output Type
- 互补型
- Propagation Delay
- 25ns@5.5V,50pF
- Quiescent Current
- 4uA
- Series
- 74HCTSeries
- Trigger Type
- 上升沿
- Type
- D-Type
- Voltage - Supply
- 4.5V~5.5V
Order codes
1- SN74HCT74DBRLCSC C2677715
Pinout
14| Pin | Name | Type |
|---|---|---|
| 1 | R | Input |
| 2 | D | Input |
| 3 | C | Input |
| 4 | S | Input |
| 5 | Q | Output |
| 6 | Q | Output |
| 7 | GND | Power in |
| 8 | Q | Output |
| 9 | Q | Output |
| 10 | S | Input |
| 11 | C | Input |
| 12 | D | Input |
| 13 | R | Input |
| 14 | VCC | Power in |
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Is there a KiCad symbol and footprint for the SN74HCT74DB?
Yes. The symbol is 74xx:74HCT74 and the footprint Package_SO:SSOP-14_5.3x6.2mm_P0.65mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the SN74HCT74DB?
SSOP-14-208mil, with 14 pins. Its footprint is drawn on this page.
Where is the SN74HCT74DB datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74HCT74DB?
JLCPCB lists it as part C2677715, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74HCT74DB?
Parts like it in the library: the SN74HCT74D by Texas Instruments, the SN74HCT74PW by Texas Instruments, the SN74HCT74N by Texas Instruments and the SN74HCT74NE4 by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
7
SN74HCT74D
SOIC-14-40℃~+85℃ 0ns 1 14ns 18ns@5.5V,50pF 2 3pF 4.5V~5.5V 46MHz 4mA 4mA 4uA 74HCT Series Asynchronous Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHSTexas InstrumentsFlip Flops
SN74HCT74PW
TSSOP-14-40℃~+85℃ 0ns 1 14ns 2 25ns@5.5V,50pF 3pF 4.5V~5.5V 46MHz 4mA 4mA 4uA 74HCT Series Asynchronous Complementary D-Type Rising Edge Set and Reset TSSOP-14 Flip Flops ROHSTexas InstrumentsFlip Flops
SN74HCT74N
PDIP-14-40℃~+85℃ 0ns 1 14ns 2 25ns@5.5V,50pF 3pF 4.5V~5.5V 46MHz 4mA 4mA 4uA 74HCT Series Complementary D-Type Rising Edge Set and Reset PDIP-14 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74HCT74NE4
PDIP-14-40℃~+85℃ 0ns 1 14ns 2 25ns@5.5V,50pF 3pF 4.5V~5.5V 46MHz 4mA 4mA 4uA 74HCT Series Complementary D-Type Rising Edge Set and Reset PDIP-14 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74HCT74NG4
PDIP-1425ns@5.5V,50pF 3pF 4.5V~5.5V 46MHz 4mA 4mA 4uA 74HCT Series Complementary D-Type Rising Edge Set and Reset PDIP-14 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74HCT74NSRE4
SO-14-40℃~+85℃ 1 2 25ns@5.5V,50pF 3pF 4.5V~5.5V 46MHz 4mA 4mA 4uA 74HCT Series Complementary D-Type Rising Edge Set and Reset SO-14 Flip Flops ROHSTexas InstrumentsFlip FlopsSN74HCT74PWRE4
TSSOP-14Flip FlopsTexas Instruments