Overview
The CD74HCT85E is a digital Comparator made by Texas Instruments in a PDIP-16 package with 16 pins. -55℃~+125℃ 4 4.5V~5.5V 40ns@4.5V,50pF 4mA 4mA 8uA A<B,A=B,A>B Active High Multi-device cascading PDIP-16 Digital Comparators ROHS.
PCBKit's library has its KiCad symbol (74xx:74HCT85, from KiCad's library) and its footprint (Package_DIP:DIP-16_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C2879055).
Symbol
Footprint
Parameters
10- Current - Output High(IOH)
- 4mA
- Current - Output Low(IOL)
- 4mA
- Features
- Multi-device cascading
- Number of Channels
- 4
- Operating Temperature
- -55℃~+125℃
- Output
- Active High
- Output Function
- AB
- Propagation Delay
- 40ns@4.5V,50pF
- Quiescent Current
- 8uA
- Voltage - Supply
- 4.5V~5.5V
Order codes
1- CD74HCT85ELCSC C2879055
Pinout
16| Pin | Name | Type |
|---|---|---|
| 1 | B3 | Input |
| 2 | Ia<b | Input |
| 3 | Ia=b | Input |
| 4 | Ia>b | Input |
| 5 | Oa>b | Output |
| 6 | Oa=b | Output |
| 7 | Oa<b | Output |
| 8 | GND | Power in |
| 9 | B0 | Input |
| 10 | A0 | Input |
| 11 | B1 | Input |
| 12 | A1 | Input |
| 13 | A2 | Input |
| 14 | B2 | Input |
| 15 | A3 | Input |
| 16 | VCC | Power in |
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Is there a KiCad symbol and footprint for the CD74HCT85E?
Yes. The symbol is 74xx:74HCT85 and the footprint Package_DIP:DIP-16_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 CD74HCT85E?
PDIP-16, with 16 pins. Its footprint is drawn on this page.
Where is the CD74HCT85E datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the CD74HCT85E?
JLCPCB lists it as part C2879055, with 0 in stock; the sellers' links on this page open their listings.
What can replace the CD74HCT85E?
Parts like it in the library: the SN74LS85N(XBLW) by XBLW, the XD74LS85 by XINLUDA, the CD4063BE by Texas Instruments and the SN74LS85N by Texas Instruments. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Parts like it
8
SN74LS85N(XBLW)
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PDIP-16-55℃~+125℃ 15mA 16mA 300ns@10V,50pF 3V~15V 4 A<B,A=B,A>B Active Low Multi-device cascading PDIP-16 Digital Comparators ROHSonsemiDigital ComparatorsCD4585BE
PDIP-16-55℃~+125℃ 100uA 160ns@15V,50pF 3V~18V 4 4.2mA 4.2mA A<B,A=B,A>B Active High PDIP-16 Digital Comparators ROHSTexas InstrumentsDigital ComparatorsCD74HC85E
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