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STW81101A, in 3D

STW81101A

STMicroelectronics

-40℃~+85℃ 3900MHz、4400MHz 3V~3.6V Built-in Built-in phase-locked loop、On-chip VCO/DCO、Built-in clock monitoring and loss-of-lock detection CMOS SPI、I2C VFQFPN-28(5x5) Clock Generators, PLLs, Frequency Synthesizers ROHS

Extended
Category
Clock Generators, PLLs, Frequency Synthesizers
Package
VFQFPN-28(5x5)
Pins
29

Overview

The STW81101A is a clock Generators, PLLs, Frequency Synthesizer made by STMicroelectronics in a VFQFPN-28(5x5) package with 29 pins. -40℃~+85℃ 3900MHz、4400MHz 3V~3.6V Built-in Built-in phase-locked loop、On-chip VCO/DCO、Built-in clock monitoring and loss-of-lock detection CMOS SPI、I2C VFQFPN-28(5x5) Clock Generators, PLLs, Frequency Synthesizers ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:STW81101AT, from EasyEDA) and its footprint (EasyEDA_Cloud:WQFN-28_L5.0-W5.0-P0.50-BL-EP3.2, from EasyEDA), ready for a KiCad board. JLCPCB lists it (part C2664424).

Symbol

VDD_VCOA1VDD_DIV22VDD_OUTBUF3OUTBUFP4OUTBUFN5VDD_DIV46VDD_VCOB7VDD_ESD8VCTRL9ICP10REXT11VDD_CP12TEST113LOCK_DET14TEST215REF_CLK16VDD_PLL17EXTVCO_INN18EXTVCO_INP19VDD_BUFVCO20DBUS_SEL21VDD_DBUS22EXT_PD23SDA/DATA24SCL/CLK25ADD0/LOAD26ADD127ADD228EP29
EasyEDA_Cloud:STW81101ATFrom EasyEDA

Footprint

29
EasyEDA_Cloud:WQFN-28_L5.0-W5.0-P0.50-BL-EP3.2From EasyEDA

Parameters

7
Clock/Oscillator
Built-in
Features
On-chip VCO/DCO;Built-in phase-locked loop;Built-in clock monitoring and loss-of-lock detection
Input
CMOS
Interface
I2C;SPI
Operating Temperature
-40℃~+85℃
Output Frequency(Max)
3900MHz;4400MHz
Voltage - Supply
3V~3.6V

Order codes

1

Pinout

29
The pins of the STW81101A
PinNameType
1VDD_VCOAUnspecified
2VDD_DIV2Unspecified
3VDD_OUTBUFUnspecified
4OUTBUFPUnspecified
5OUTBUFNUnspecified
6VDD_DIV4Unspecified
7VDD_VCOBUnspecified
8VDD_ESDUnspecified
9VCTRLUnspecified
10ICPUnspecified
11REXTUnspecified
12VDD_CPUnspecified
13TEST1Unspecified
14LOCK_DETUnspecified
15TEST2Unspecified
16REF_CLKUnspecified
17VDD_PLLUnspecified
18EXTVCO_INNUnspecified
19EXTVCO_INPUnspecified
20VDD_BUFVCOUnspecified
21DBUS_SELUnspecified
22VDD_DBUSUnspecified
23EXT_PDUnspecified
24SDA/DATAUnspecified
25SCL/CLKUnspecified
26ADD0/LOADUnspecified
27ADD1Unspecified
28ADD2Unspecified
29EPUnspecified

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Questions

Is there a KiCad symbol and footprint for the STW81101A?

Yes. The symbol is EasyEDA_Cloud:STW81101AT and the footprint EasyEDA_Cloud:WQFN-28_L5.0-W5.0-P0.50-BL-EP3.2, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the STW81101A?

VFQFPN-28(5x5), with 29 pins. Its footprint is drawn on this page.

Where is the STW81101A datasheet?

STMicroelectronics publishes it: the Datasheet link on this page opens it.

Where can I order the STW81101A?

JLCPCB lists it as part C2664424, with 0 in stock; the sellers' links on this page open their listings.

What can replace the STW81101A?

Parts like it in the library: the LMX2522LQ1635 by Texas Instruments and the STW81101AT by STMicroelectronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

2