Overview
The 74HC74A is a flip Flop made by onsemi with 14 pins. -40℃~+125℃ 1 2 2V~6V 3.5pF 37ns@6V,50pF 40uA 5.2mA 5.2mA 74HC Series 82MHz D-Type Rising Edge Set and Reset - Flip Flops ROHS.
PCBKit's library has its KiCad symbol (74xx:74HC74, from KiCad's library) and its footprint (EasyEDA_Cloud:SOIC-14_L8.6-W3.8-P1.27-LS6.0-BL, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C6089304).
Symbol
Footprint
Parameters
14- Clock Frequency
- 82MHz
- Current - Output High(IOH)
- 5.2mA
- Current - Output Low(IOL)
- 5.2mA
- Function
- Set and Reset
- Input Capacitance
- 3.5pF
- Number of Bits per Element
- 1
- Number of Elements
- 2
- Operating Temperature
- -40℃~+125℃
- Propagation Delay
- 37ns@6V,50pF
- Quiescent Current
- 40uA
- Series
- 74HC Series
- Trigger Type
- Rising Edge
- Type
- D-Type
- Voltage - Supply
- 2V~6V
Order codes
1- 74HC74ALCSC C6089304
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 74HC74A?
Yes. The symbol is 74xx:74HC74 and the footprint EasyEDA_Cloud:SOIC-14_L8.6-W3.8-P1.27-LS6.0-BL, both drawn on this page. PCBKit places them on a board for you when you design with it.
Where can I order the 74HC74A?
JLCPCB lists it as part C6089304, with 0 in stock; the sellers' links on this page open their listings.
What can replace the 74HC74A?
Parts like it in the library: the 74HC74D by Nexperia, the 74HC74D-Q100 by Nexperia, the CJ74HC74BDN by Jiangsu Changjing Electronics Technology (CJ) and the 74HC74PW by Nexperia. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
74HC74D
SOIC-14-40℃~+125℃ 1 15ns 2 2V~6V 3.5pF 37ns@6V,50pF 3ns、3ns、3ns 40uA 5.2mA 5.2mA 74HC Series 82MHz Asynchronous Complementary D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHSNexperiaFlip Flops74HC74D-Q100
SOP-14-40℃~+125℃ 1 15ns 2 2V~6V 3.5pF 37ns@6V,50pF 3ns 40uA 5.2mA 5.2mA 74HC Series 82MHz Asynchronous Complementary D-Type Rising Edge Set and Reset SOP-14 Flip Flops ROHSNexperiaFlip Flops
CJ74HC74BDN
TSSOP-14-40℃~+125℃ 1 13ns 14ns@6V,15pF 2 2V~6V 3.5pF 3ns 40uA 5.2mA 5.2mA 74HC Series 82MHz Asynchronous Complementary type D-Type Rising Edge Set and Reset TSSOP-14 Flip Flops ROHSJiangsu Changjing Electronics Technology (CJ)Flip Flops74HC74PW
TSSOP-14-40℃~+125℃ 1 2 2V~6V 2ns 3.5pF 37ns@6V,50pF 40uA 5.2mA 5.2mA 74HC Series 82MHz Asynchronous Complementary D-Type Rising Edge Set and Reset TSSOP-14 Flip Flops ROHSNexperiaFlip Flops
74HC74BQ
DHVQFN-14(2.5x3)-40℃~+125℃ 1 13ns 2 2V~6V 3.5pF 37ns@6V,50pF 3ns 40uA 5.2mA 5.2mA 74HC Series 82MHz Asynchronous Complementary D-Type Rising Edge Set and Reset DHVQFN-14(2.5x3) Flip Flops ROHSNexperiaFlip FlopsGN74D
SOIC-14-40℃~+85℃ -6ns、-2ns、-2ns 1 14ns@6.0V,50pF、17ns@4.5V,50pF、47ns@2.0V,50pF 2 2V~6V 2ns、2ns、6ns 82MHz Asynchronous D-Type Rising Edge Set and Reset SOIC-14 Flip Flops ROHSGN SemicFlip FlopsSN74LS74DR(LX)
SOP-14Flip FlopslingxingicSN74HC74DTR(XBLW)
SOP-14-40℃~+125℃ 13ns 14ns@6V,15pF 1、1 2 2V~6V 3.5pF 3ns 40uA 4mA 4mA 74HC Series 82MHz Asynchronous Complementary D-Type Rising Edge Set and Reset SOP-14 Flip Flops ROHSXBLWFlip Flops