Skip to the content
4141414141

LE9540CUQCT

Microchip TechnologyExtended

3.3V Subscriber Line Interface (SLIC) QFN-40-EP(6x6) Telecom Interface ICs ROHS

Part id
microchip/LE9540CUQCT
Category
Telecom Interface ICs
Package
QFN-40-EP(6x6)
Pins
41
In stock
0 at JLCPCB (C2651985)

Overview

The LE9540CUQCT is a telecom Interface IC made by Microchip Technology in a QFN-40-EP(6x6) package with 41 pins. 3.3V Subscriber Line Interface (SLIC) QFN-40-EP(6x6) Telecom Interface ICs ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:LE9540CUQCT, from EasyEDA) and its footprint (EasyEDA_Cloud:QFN-40_L6.0-W6.0-P0.50-BL-EP, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2651985).

Symbol

VBAT_11DCF_12VREF_13RINGP_14RCVP_15RN_16VITR_17TXI_18VTX_19ITR_110RTFLT_111RESET12EN13CLK14VDD15VCC16DIN17DOUT18RTFLT_219IREF20ITR_221VTX_222TXI_223VITR_224RN_225RCVP_226RINGP_227VREF_228DCF_229VBAT_230PR_231TLD_232PT_233GND34RSVD35CPR36RSVD37PT_138TLD_139PR_140EP41
EasyEDA_Cloud:LE9540CUQCTFrom EasyEDA

Footprint

4141414141
EasyEDA_Cloud:QFN-40_L6.0-W6.0-P0.50-BL-EPFrom EasyEDA

Pinout

41
The pins of the LE9540CUQCT
PinNameType
1VBAT_1Unspecified
2DCF_1Unspecified
3VREF_1Unspecified
4RINGP_1Unspecified
5RCVP_1Unspecified
6RN_1Unspecified
7VITR_1Unspecified
8TXI_1Unspecified
9VTX_1Unspecified
10ITR_1Unspecified
11RTFLT_1Unspecified
12RESETUnspecified
13ENUnspecified
14CLKUnspecified
15VDDUnspecified
16VCCUnspecified
17DINUnspecified
18DOUTUnspecified
19RTFLT_2Unspecified
20IREFUnspecified
21ITR_2Unspecified
22VTX_2Unspecified
23TXI_2Unspecified
24VITR_2Unspecified
25RN_2Unspecified
26RCVP_2Unspecified
27RINGP_2Unspecified
28VREF_2Unspecified
29DCF_2Unspecified
30VBAT_2Unspecified
31PR_2Unspecified
32TLD_2Unspecified
33PT_2Unspecified
34GNDUnspecified
35RSVDUnspecified
36CPRUnspecified
37RSVDUnspecified
38PT_1Unspecified
39TLD_1Unspecified
40PR_1Unspecified
41EPUnspecified

Parts like it

1

Questions

Is there a KiCad symbol and footprint for the LE9540CUQCT?

Yes. The symbol is EasyEDA_Cloud:LE9540CUQCT and the footprint EasyEDA_Cloud:QFN-40_L6.0-W6.0-P0.50-BL-EP, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the LE9540CUQCT?

QFN-40-EP(6x6), with 41 pins. Its footprint is drawn on this page.

Where can I order the LE9540CUQCT?

JLCPCB lists it as part C2651985, with 0 in stock; the sellers' links on this page open their listings.

What can replace the LE9540CUQCT?

Parts like it in the library: the LE9540DUQCT by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.