This data sheet provides data for the 28/40/44-pin flash-based, 8-bit CMOS microcontrollers with nanoWatt technology PIC16F91X, including features and characteristics.
The PIC16F91X family includes 28‑, 40‑, and 44‑pin flash‑based 8‑bit CMOS microcontrollers with nanoWatt technology. It offers a high‑performance RISC CPU, low‑power operation, a wide 2.0 V‑5.5 V voltage range, and industrial‑grade temperature specifications. Key peripherals include LCD driver, A/D converter, comparators, timers, PWM, SSP, and USART modules.
The document contains detailed pin diagrams, memory organization tables, electrical specifications, and ordering information. It also lists the product identification system, worldwide sales and service contacts, and references to errata and revision history.
| Maximum oscillator frequency | 20 MHz |
|---|---|
| Instruction cycle time | 200 ns |
| Standby current | 1 nA @ 2.0 V (typical) |
| Operating current (32 kHz) | 8.5 µA @ 2.0 V (typical) |
| Flash write endurance | 100 000 cycles |
| EEPROM write endurance | 1 000 000 cycles |
| Data retention | > 40 years |
| Operating voltage range | 2.0 V – 5.5 V |
| Temperature range | Industrial and Extended |
| A/D converter resolution | 10‑bit |
| Maximum I/O pins | 35 I/O pins + 1 input‑only pin |
| Program memory (PIC16F913) | 4096 bytes |
The standby current is 1 nA at 2.0 V typical.
It operates from 2.0 V to 5.5 V.
The Flash memory can endure up to 100 000 write cycles.
The A/D converter provides 10‑bit resolution.