
Overview
The IT66121FN is an uncategorised made by ITE Tech in a QFN-64_EP_9.0x9.0x0.5P package with 65 pins. QFN-64-EP(9x9) New Arrivals ROHS.
PCBKit's library has its KiCad symbol (OLIMEX_IC:IT66121FN, from Olimex), ready for a KiCad board. JLCPCB lists it (part C2684803). 2 open-source boards in 2 repositories on GitHub use it.
Symbol
Footprint
The library has no footprint for this part yet.
Order codes
1- IT66121FNLCSC C2684803
Pinout
65| Pin | Name | Type |
|---|---|---|
| 1 | OVDD | Power in |
| 2 | I2S3/SPDIF | Input |
| 3 | I2S2 | Input |
| 4 | I2S1 | Input |
| 5 | I2S0 | Input |
| 6 | WS | Input |
| 7 | SCK/MCLK | Input |
| 8 | IVDD12 | Power in |
| 9 | VCC33 | Power in |
| 10 | INT | Output |
| 11 | PCSDA | Input/output |
| 12 | PCSCL | Input |
| 13 | OVDD33 | Power in |
| 14 | HPD | Input |
| 15 | DDCSDA | Input/output |
| 16 | DDCSCL | Input/output |
| 17 | CEC | Input/output |
| 18 | PVCC12 | Power in |
| 19 | PVCC33 | Power in |
| 20 | REXT | Input |
| 21 | TXCM | Output |
| 22 | TXCP | Output |
| 23 | AVCC12 | Power in |
| 24 | TX0M | Output |
| 25 | TX0P | Output |
| 26 | TX1M | Output |
| 27 | TX1P | Output |
| 28 | DVDD12 | Power in |
| 29 | TX2M | Output |
| 30 | TX2P | Output |
| 31 | ENTEST | Input |
| 32 | PCADR | Input |
| 33 | SYSRSTN | Input |
| 34 | OVDD@1 | Power in |
| 35 | IVDD12@1 | Power in |
| 36 | D23 | Input |
| 37 | D22 | Input |
| 38 | D21 | Input |
| 39 | D20 | Input |
| 40 | D19 | Input |
| 41 | D18 | Input |
| 42 | D17 | Input |
| 43 | D16 | Input |
| 44 | D15 | Input |
| 45 | D14 | Input |
| 46 | D13 | Input |
| 47 | D12 | Input |
| 48 | D11 | Input |
| 49 | D10 | Input |
| 50 | D9 | Input |
| 51 | PCLK | Input |
| 52 | D8 | Input |
| 53 | D7 | Input |
| 54 | D6 | Input |
| 55 | D5 | Input |
| 56 | IVDD12@2 | Power in |
| 57 | D4 | Input |
| 58 | D3 | Input |
| 59 | D2 | Input |
| 60 | D1 | Input |
| 61 | D0 | Input |
| 62 | DE | Input |
| 63 | HSYNC | Input |
| 64 | VSYNC | Input |
| 65 | GND | Power in |
Open-source boards using it
All 2- 6 layers

- 8 layers84 × 59.6 mm

Questions
Is there a KiCad symbol and footprint for the IT66121FN?
Yes. The symbol is OLIMEX_IC:IT66121FN, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the IT66121FN?
QFN-64_EP_9.0x9.0x0.5P, with 65 pins.
Where can I order the IT66121FN?
JLCPCB lists it as part C2684803, with 0 in stock; the sellers' links on this page open their listings.
What can replace the IT66121FN?
Parts like it in the library: the LT9611UXD by LONTIUM SEMICONDUCTOR, the AK5578EN by Asahi Kasei Microdevices, the JMB393B by JMicron and the GL3523-OSY30 by Genesys Logic. Check their datasheets: a part that fits the footprint may still differ in its ratings.
Which open-source boards use the IT66121FN?
2 boards in 2 repositories on GitHub; the most starred are listed on this page, with their KiCad files.
Parts like it
8LT9611UXD
QFN-64-EP_7.5x7.5UncategorisedLONTIUM SEMICONDUCTORAK5578EN
VQFN-64-EP(9x9)-40℃~+105℃ 1.7V~1.98V、3V~3.6V、4.75V~5.25V 10uA 32 8 I2C、SPI、I2S Integrated modulator、Differential Input Voltage Buffer VQFN-64-EP(9x9) Digital to Analog Converters (DAC) ROHSAsahi Kasei MicrodevicesUncategorisedJMB393B
QFN-64_EP_9.0x9.0x0.5PQFN-64-EP(9x9) New Arrivals ROHSJMicronUncategorisedGL3523-OSY30
QFN-64-EP(8x8x0.4)QFN-64-EP(8x8x0.4) New Arrivals ROHSGenesys LogicUncategorisedIT9527FN
QFN-64-EP(8x8x0.5)QFN-64-EP(8x8x0.5) New Arrivals ROHSITE TechUncategorisedAG9310-MCQ
QFN-64-EP(8x8)QFN-64-EP(8x8) SMT ROHSJLCPCB AssemblyUncategorisedJMS561-QGAA2A
QFN-64-EP(8x8)QFN-64-EP(8x8) New Arrivals ROHSJMicronUncategorisedJMS561-QGAA3A
QFN-64-EP(8x8)QFN-64-EP(8x8) New Arrivals ROHSJMicronUncategorised