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NY8A054E

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Nyquest Tech Microcontroller Units (MCUs/MPUs/SOCs), SOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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NY8A054E

Nyquest Tech · Microcontroller Units (MCUs/MPUs/SOCs) · SOP-14

NY8A054E from Nyquest Tech, in a SOP-14. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 PB5/PWM4 bidirectional PB5 is a bidirectional I/O pin with pull-high and open-drain options that can output PWM4.
2 PA0/PWM2 bidirectional PA0 is a bidirectional I/O pin that can be a comparator analog input and the PWM2 output.
3 PA1/PWM5/EX_CKI1 bidirectional PA1 is a bidirectional I/O pin that can be a comparator analog input, the PWM5 output, or the Timer3 clock source EX_CKI1.
4 VDD power_in Positive power supply, 2.0V to 5.5V at system clock up to 8MHz and 2.2V to 5.5V above 8MHz.
5 PA7/Xout bidirectional PA7 is a bidirectional I/O pin that can be the crystal oscillator output Xout or the instruction clock output.
6 PA6/Xin bidirectional PA6 is a bidirectional I/O pin that can be the crystal oscillator input Xin.
7 PA5/RSTb/Vpp bidirectional PA5 is an input or open-drain output pin that can be the reset pin RSTb, and a voltage above 7.75V enters EPROM programming mode (Vpp).
8 PA4/PWM1/EX_CKI0/SCK bidirectional PA4 is a bidirectional I/O pin that can be the PWM1 output, the Timer0/1 clock source EX_CKI0, or programming pad SCK.
9 PA3/PWM3/SDO bidirectional PA3 is a bidirectional I/O pin that can be a comparator analog input, the PWM3 output, or programming pad SDO.
10 PA2/PWM4/INT1/SDI bidirectional PA2 is a bidirectional I/O pin that can be a comparator analog input, the PWM4 output, external interrupt input INT1, or programming pad SDI.
11 VSS power_in Ground.
12 PB0/PWM5/INT0 bidirectional PB0 is a bidirectional I/O pin that can be the PWM5 output or external interrupt input INT0.
13 PB1/IR/INT1 bidirectional PB1 is a bidirectional I/O pin that is the IR carrier output when IR mode is enabled (20mA sink) or external interrupt input INT1.
14 PB2/PWM2 bidirectional PB2 is a bidirectional I/O pin that can be the PWM2 output.

Key specifications

Parameter Value
Manufacturer Nyquest Tech
Package SOP-14
Category Single Chip Microcomputer/Microcontroller
Pins 14

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage (VDD - VSS) VDD - VSS -0.5 6 V 95
Operating temperature TOP -40 85 °C 95
Storage temperature TST -40 125 °C 95
Recommended operating voltage 3 5.5 V Frequency 20M/2T 99
Recommended operating voltage 2.4 5.5 V Frequency 16M/2T 99
Recommended operating voltage 2 5.5 V Frequency 20M/4T 99
Recommended operating voltage 1.8 5.5 V Frequency 16M/4T 99
VDD operating voltage VDD 3.3 5.5 V FINST=20MHz @ I_HRC/2 95
VDD operating voltage VDD 2.2 V FINST=20MHz @ I_HRC/4 95
VDD operating voltage VDD 2.7 V FINST=16MHz @ E_HXT/2 95
VDD operating voltage VDD 2 V FINST=16MHz @ E_HXT/4 95
VDD operating voltage VDD 1.8 V FINST=4MHz @ I_HRC/4 & I_HRC/2 95
Input high voltage, RSTb VIH 4 V VDD=5V, RSTb (0.8 VDD) 95
Input high voltage, RSTb VIH 2.4 V VDD=3V, RSTb (0.8 VDD) 95
Input high voltage, all other I/O pins, EX_CKI, INT (CMOS input) VIH 3.5 V VDD=5V, All other I/O pins, EX_CKI, INT 95
Input high voltage, all other I/O pins, EX_CKI, INT (CMOS option) VIH 2.1 V VDD=3V, CMOS option (0.7 VDD), All other I/O pins, EX_CKI, INT 95
Input high voltage, all other I/O pins, EX_CKI VIH 2.5 V VDD=5V, All other I/O pins, EX_CKI 95
Input high voltage, all other I/O pins, EX_CKI (TTL option) VIH 1.5 V VDD=3V, TTL option (0.5 VDD), All other I/O pins, EX_CKI 95
Input low voltage, RSTb VIL 1 V VDD=5V, RSTb (0.2 VDD) 95
Input low voltage, RSTb VIL 0.6 V VDD=3V, RSTb (0.2 VDD) 95
Input low voltage, all other I/O pins, EX_CKI, INT (CMOS input) VIL 1.5 V VDD=5V, All other I/O pins, EX_CKI, INT 95
Input low voltage, all other I/O pins, EX_CKI, INT (CMOS option) VIL 0.9 V VDD=3V, CMOS option (0.3 VDD), All other I/O pins, EX_CKI, INT 95
Input low voltage, all other I/O pins, EX_CKI VIL 1 V VDD=5V, All other I/O pins, EX_CKI 95
Input low voltage, all other I/O pins, EX_CKI (TTL option) VIL 0.6 V VDD=3V, TTL option (0.2 VDD), All other I/O pins, EX_CKI 95
Halt current (WDT disabled) IHALT 0.5 uA VDD=5V, Halt mode, WDT disabled. 96
Halt current (WDT disabled) IHALT 0.2 uA VDD=3V, Halt mode, WDT disabled. 96
Halt current (WDT enabled) IHALT 5 uA VDD=5V, Halt mode, WDT enabled. 96
Halt current (WDT enabled) IHALT 2 uA VDD=3V, Halt mode, WDT enabled. 96
I_HRC deviation by socket -1 1 % Socket installed directly on writer. 97
I_HRC deviation by handler -3 3 % Handler condition with correct setup. 97
I_LRC deviation by handler -5 5 % 97
Comparator input voltage range VIVR 0 5 V FHOSC=1MHz 97
LVD voltage error ELVD 3 % FHOSC=1MHz, LVD=4.3V 97

CAD (KiCad official)

  • Symbol: NY8A054E
  • Footprint: Package_SO:SOIC-14_3.9x8.7mm_P1.27mm
  • 3D model: SOP-14 (KiCad packages3D, STEP)
  • 3D model files: ny8a054e-etched.step / ny8a054e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ny8a054e.step / ny8a054e.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Nyquest Tech datasheet (102 pp, sha256 58b44c62140f4fb0, retrieved 2026-10-22, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF