SN74LS688NE4
Texas InstrumentsExtended
Hysteresis comparison PDIP-20 Digital Comparators ROHS
- Part id
- ti/SN74LS688NE4
- Category
- Digital Comparators
- Package
- PDIP-20
- Pins
- 5
- In stock
- 0 at JLCPCB (C20345774)
Overview
The SN74LS688NE4 is a digital Comparator made by Texas Instruments in a PDIP-20 package with 20 pins. Hysteresis comparison PDIP-20 Digital Comparators ROHS.
PCBKit's library has its KiCad symbol (74xx:74LS688, from KiCad's library) and its footprint (Package_DIP:DIP-20_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C20345774).
Symbol
Footprint
Pinout
20| Pin | Name | Type |
|---|---|---|
| 1 | G | Input |
| 2 | P0 | Input |
| 3 | R0 | Input |
| 4 | P1 | Input |
| 5 | R1 | Input |
| 6 | P2 | Input |
| 7 | R2 | Input |
| 8 | P3 | Input |
| 9 | R3 | Input |
| 10 | GND | Power in |
| 11 | P4 | Input |
| 12 | R4 | Input |
| 13 | P5 | Input |
| 14 | R5 | Input |
| 15 | P6 | Input |
| 16 | R6 | Input |
| 17 | P7 | Input |
| 18 | R7 | Input |
| 19 | P=R | Output |
| 20 | VCC | Power in |
Parts like it
8
SN74LS688N
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PDIP-20-40℃~+85℃ 2V~6V 47ns@6V,50pF 5.2mA 5.2mA 8 A=B,A>B Active Low PDIP-20 Digital Comparators ROHSTexas InstrumentsDigital ComparatorsDM74ALS520N
PDIP-200℃~+70℃ 2.6mA 20ns@5V,50pF 24mA 4.5V~5.5V 8 A=B Active Low Multi-device cascading PDIP-20 Digital Comparators ROHSonsemiDigital Comparators74HC688P-E
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DIP-20-40℃~+125℃ 34ns@4.5V,50pF 4.5V~5.5V 4mA 4mA 8 8uA A=B Active Low Multi-device cascading DIP-20 Digital Comparators ROHSRenesas ElectronicsDigital ComparatorsCD74HC688EX
PDIP-20-55℃~+125℃ 29ns@6V,50pF 2V~6V 5.2mA 5.2mA 8 8uA A=B Active Low PDIP-20 Digital ComparatorsTexas InstrumentsDigital ComparatorsCD74HCT688EE4
PDIP-20Multi-device cascading PDIP-20 Digital Comparators ROHSTexas InstrumentsDigital ComparatorsSN74ALS518N
PDIP-200℃~+70℃ 100uA 24mA 33ns@5V,50pF 4.5V~5.5V 8 A=B Active High PDIP-20 Digital Comparators ROHSTexas InstrumentsDigital Comparators
Questions
Is there a KiCad symbol and footprint for the SN74LS688NE4?
Yes. The symbol is 74xx:74LS688 and the footprint Package_DIP:DIP-20_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 SN74LS688NE4?
PDIP-20, with 20 pins. Its footprint is drawn on this page.
Where is the SN74LS688NE4 datasheet?
Texas Instruments publishes it: the Datasheet link on this page opens it.
Where can I order the SN74LS688NE4?
JLCPCB lists it as part C20345774, with 0 in stock; the sellers' links on this page open their listings.
What can replace the SN74LS688NE4?
Parts like it in the library: the SN74LS688N by Texas Instruments, the SN74HC682N by Texas Instruments, the DM74ALS520N by onsemi and the 74HC688P-E by Renesas Electronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.