
Overview
The KSZ8997 is a microcontroller made by Microchip Technology in a PQFP-128(20x14) package with 128 pins. External pin reset (NRST) PQFP-128(20x14) Ethernet Switches ROHS.
PCBKit's library has its KiCad symbol (Analog & Interface:KSZ8997, from CERN's library) and its footprint (Package_QFP:PQFP-128_28x28mm_P0.8mm, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C639496).
Symbol
Footprint
Parameters
1- Features
- External pin reset (NRST)
Order codes
1- KSZ8997LCSC C639496
Pinout
128| Pin | Name | Type |
|---|---|---|
| 1 | VDD_RX | Power in |
| 2 | GND_RX | Power in |
| 3 | GND_RX | Power in |
| 4 | VDD_RX | Power in |
| 5 | RXP[3] | Input |
| 6 | RXM[3] | Input |
| 7 | GND-ISO | Power in |
| 8 | TXP[3] | Output |
| 9 | TXM[3] | Output |
| 10 | GND_TX | Power in |
| 11 | VDD_TX | Power in |
| 12 | TXP[4] | Output |
| 13 | TXM[4] | Output |
| 14 | GND_TX | Power in |
| 15 | RXP[4] | Input |
| 16 | RXM[4] | Input |
| 17 | GND_RX | Power in |
| 18 | VDD_RX | Power in |
| 19 | ISET | Passive |
| 20 | GND-ISO | Power in |
| 21 | VDD_RX | Power in |
| 22 | GND_RX | Power in |
| 23 | RXP[5] | Input |
| 24 | RXM[5] | Input |
| 25 | GND_TX | Power in |
| 26 | TXP[5] | Output |
| 27 | TXM[5] | Output |
| 28 | VDD_TX | Power in |
| 29 | GND_TX | Power in |
| 30 | TXP[6] | Output |
| 31 | TXM[6] | Output |
| 32 | GND-ISO | Power in |
| 33 | RXP[6] | Input |
| 34 | RXM[6] | Input |
| 35 | VDD_RX | Power in |
| 36 | GND_RX | Power in |
| 37 | GND_RX | Power in |
| 38 | VDD_RX | Power in |
| 39 | GND-ISO | Power in |
| 40 | RXP[7] | Input |
| 41 | RXM[7] | Input |
| 42 | GND_TX | Power in |
| 43 | TXP[7] | Output |
| 44 | TXM[7] | Output |
| 45 | VDD_TX | Power in |
| 46 | VDD_TX | Power in |
| 47 | TXP[8] | Output |
| 48 | TXM[8] | Output |
| 49 | GND_TX | Power in |
| 50 | RXP[8] | Input |
| 51 | RXM[8] | Input |
| 52 | GND_RX | Power in |
| 53 | VDD_RX | Power in |
| 54 | GND_RCV | Power in |
| 55 | VDD_RCV | Power in |
| 56 | GND_RCV | Power in |
| 57 | VDD_RCV | Power in |
| 58 | RLPBK | Input |
| 59 | T[1] | Passive |
| 60 | EN1P | Input |
| 61 | SDA | Input/output |
| 62 | SCL | Input |
| 63 | VDD | Power in |
| 64 | GND | Power in |
| 65 | VDD-IO | Power in |
| 66 | GND | Power in |
| 67 | GND | Power in |
| 68 | VDD | Power in |
| 69 | BIST | Input |
| 70 | RST# | Input |
| 71 | LED[1][3] | Input/output |
| 72 | LED[1][2] | Input/output |
| 73 | LED[1][0] | Input/output |
| 74 | LED[2][3] | Input/output |
| 75 | LED[2][2] | Input/output |
| 76 | LED[2][0] | Input/output |
| 77 | VDD-IO | Power in |
| 78 | GND | Power in |
| 79 | LED[3][3] | Input/output |
| 80 | LED[3][2] | Input/output |
| 81 | LED[3][0] | Input/output |
| 82 | LED[4][3] | Input/output |
| 83 | LED[4][2] | Input/output |
| 84 | LED[4][0] | Input/output |
| 85 | VDD | Power in |
| 86 | GND | Power in |
| 87 | LED[5][3] | Input/output |
| 88 | LED[5][2] | Input/output |
| 89 | LED[5][0] | Input/output |
| 90 | LED[6][3] | Input/output |
| 91 | LED[6][2] | Input/output |
| 92 | LED[6][0] | Input/output |
| 93 | LED[7][3] | Input/output |
| 94 | LED[7][2] | Input/output |
| 95 | VDD-IO | Power in |
| 96 | LED[7][0] | Input/output |
| 97 | LED[8][3] | Input/output |
| 98 | LED[8][2] | Input/output |
| 99 | LED[8][0] | Input/output |
| 100 | GND | Power in |
| 101 | GND | Power in |
| 102 | VDD | Power in |
| 103 | MODESEL[1] | Input |
| 104 | MODESEL[0] | Input |
| 105 | T[5] | Passive |
| 106 | X1 | Input |
| 107 | X2 | Output |
| 108 | VDD_PLLTX | Power in |
| 109 | GND_PLLTX | Power in |
| 110 | VDD_RCV | Power in |
| 111 | GND_RCV | Power in |
| 112 | VDD_RCV | Power in |
| 113 | GND_RCV | Power in |
| 114 | VDD_RX | Power in |
| 115 | GND_RX | Power in |
| 116 | RXP[1] | Input |
| 117 | RXM[1] | Input |
| 118 | GND_TX | Power in |
| 119 | TXP[1] | Output |
| 120 | TXM[1] | Output |
| 121 | VDD_TX | Power in |
| 122 | VDD_TX | Power in |
| 123 | TXP[2] | Output |
| 124 | TXM[2] | Output |
| 125 | GND_TX | Power in |
| 126 | RXP[2] | Input |
| 127 | RXM[2] | Input |
| 128 | GND-ISO | Power in |
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Is there a KiCad symbol and footprint for the KSZ8997?
Yes. The symbol is Analog & Interface:KSZ8997 and the footprint Package_QFP:PQFP-128_28x28mm_P0.8mm, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the KSZ8997?
PQFP-128(20x14), with 128 pins. Its footprint is drawn on this page.
Where is the KSZ8997 datasheet?
Microchip Technology publishes it: the Datasheet link on this page opens it.
Where can I order the KSZ8997?
JLCPCB lists it as part C639496, with 0 in stock; the sellers' links on this page open their listings.
What can replace the KSZ8997?
Parts like it in the library: the CY7C68013A-128AXI by Infineon Technologies. Check their datasheets: a part that fits the footprint may still differ in its ratings.