PIC16C62A-10E/SP - 8-bit 10MHz 3.5KB EPROM MCU | Microchip
MPN: PIC16C62A-10E/SP ✗ End of Life| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $3.95 | $3.95 |
| 10 | $3.55 | $35.50 |
| 100 | $3.15 | $315.00 |
| 500 | $2.8 | $1,400.00 |
| 1,000 | $2.55 | $2,550.00 |
PIC16C62A-10E/SP Overview
An 8-bit microcontroller is a single-chip computer built around an 8-bit data bus, a small instruction set, and integrated memory plus peripherals. The PIC16C62A belongs to the PIC16C family of OTP-EPROM-based mid-range microcontrollers, which sits in the hierarchy: PIC16C -> mid-range PIC family -> 8-bit PIC microcontrollers -> microcontrollers (MCU) -> embedded semiconductors. These devices trade large flash densities for low unit cost and proven CMOS reliability in industrial control, instrumentation, and legacy equipment designs.
Key features include 35 single-word instructions, all executing in one instruction cycle except for program branches (two cycles), DC to 10 MHz clock input, and typical active current of approximately 2 mA at 5 V/4 MHz. Power-saving modes include a standby mode drawing roughly 1 uA typical at 3 V/32 kHz, and a low-power Run mode useful for battery-powered instruments. The device supports commercial, industrial, and extended temperature grades (the E suffix denotes the Extended -40C to +125C grade in this part number).
Architecturally, the PIC16C62A uses a Harvard-style RISC core with separate program and data buses, a 14-bit-wide instruction word, and a hardware multiplier-free ALU optimized for deterministic single-cycle execution. The integrated EPROM program memory is one-time programmable, requiring a windowed package variant for erasure, and is suited to mature production runs where firmware is fixed. Brown-out reset, watchdog timer, and power-on reset are integrated, reducing external component count.
Typical applications include industrial motor control, HVAC actuation, security alarm panels, automotive body electronics (where extended temperature is required), embedded control of legacy appliances, and instrumentation front-ends requiring I2C/SPI glue logic. Designers migrating from PIC16C62 to PIC16C62A benefit from the enhanced timer architecture and improved oscillator tolerance.
When designing with this part, mind the OTP limitation: firmware must be fully validated before programming, as the EPROM cannot be reprogrammed in-circuit. Always include a decoupling capacitor pair (0.1 uF plus bulk 10 uF) within 5 mm of the VDD/VSS pins to suppress switching noise that can corrupt A/D readings on noise-sensitive analog inputs.
This page synthesizes distributor pricing, drop-in alternatives, and practical design notes for the PIC16C62A-10E/SP that are not consolidated in the Microchip datasheet or any single distributor listing.
Drop-in alternatives for PIC16C62A-10E/SP — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
Variants in this series
Same-series models that are drop-in compatible with PIC16C62A-10E/SP (same form factor and footprint) — differing in Package, Program Memory Size, RoHS Status, Mounting Type, Program Memory Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16C62A-10I/SP
✅ Drop-In📋 Reference alternative (not in catalog)
PIC16C62A-04I/SP
✅ Drop-In✓ In Stock
$5.1 / Unit
View Datasheet →PIC16C62A-04E/SP
✅ Drop-In✓ In Stock
$7.2 / Unit
View Datasheet →PIC16C62A-04/SP
✅ Drop-In✓ In Stock
$4.45 / Unit
View Datasheet →PIC16C62A-10/SP
✅ Drop-In✓ In Stock
$3.65 / Unit
View Datasheet →ATMEGA323-8PI
✅ Drop-In✓ In Stock
$4.48 / Unit
View Datasheet →ATMEGA325-16MI
✅ Drop-In✓ In Stock
$3.05 / Unit
View Datasheet →PIC16C62A-10E/SP Maximum Ratings & Electrical Characteristics
| Core Architecture | PIC16C6X (8-bit RISC, Harvard) |
| Program Memory Type | OTP EPROM |
| Program Memory Size | 3.5 KB (2K x 14) |
| RAM Size | 128 bytes |
| Number of I/O Pins | 22 |
| Maximum Clock Frequency | 10 MHz |
| Instruction Set Size | 35 single-word instructions |
| Operating Voltage Range | 3.0 V to 6.0 V |
| Supply Voltage (Typical) | 5 V |
| Operating Temperature Range (E grade) | -40 C to +125 C (Extended) |
| Package / Case | 28-DIP (0.300", 7.62 mm) |
| Mounting Type | Through-Hole |
| Serial Interfaces | I2C, SPI |
| Timers | TMR0 (8-bit), TMR1 (16-bit) |
| On-chip Peripherals | CCP module, Watchdog Timer, Brown-out Reset, POR |
| Active Current (5 V, 4 MHz) | Approximately 2 mA typical |
| Standby Current (3 V, 32 kHz) | Approximately 1 uA typical |
PIC16C62A-10E/SP Pin Configuration
| Pin 1 | MCLR/VPP — Master Clear (Reset) input / Programming voltage input |
| Pin 2 | RA0/AN0 — Port A bit 0 (analog input on some variants) |
| Pin 3 | RA1/AN1 — Port A bit 1 (analog input on some variants) |
| Pin 4 | RA2/AN2 — Port A bit 2 (analog input on some variants) |
| Pin 5 | RA3/AN3/VREF — Port A bit 3 / Analog reference voltage |
| Pin 6 | RA4/T0CKI — Port A bit 4 / Timer0 clock input |
| Pin 7 | RA5/SS/AN4 — Port A bit 5 / SPI slave select / analog input |
| Pin 8 | OSC1/CLKIN — Oscillator crystal input / external clock input |
| Pin 9 | OSC2/CLKOUT — Oscillator crystal output / clock output |
| Pin 10 | RC0/T1OSO/T1CKI — Port C bit 0 / Timer1 oscillator output / Timer1 clock input |
| Pin 11 | RC1/T1OSI/CCP2 — Port C bit 1 / Timer1 oscillator input / CCP2 output |
| Pin 12 | RC2/CCP1 — Port C bit 2 / Capture/Compare/PWM 1 output |
| Pin 13 | RC3/SCK/SCL — Port C bit 3 / SPI clock / I2C clock |
| Pin 14 | RC4/SDI/SDA — Port C bit 4 / SPI data in / I2C data |
| Pin 15 | RC5/SDO — Port C bit 5 / SPI data out |
| Pin 16 | RC6/TX/CK — Port C bit 6 / USART transmit / clock |
| Pin 17 | RC7/RX/DT — Port C bit 7 / USART receive / data |
| Pin 18 | VSS — Ground reference |
| Pin 19 | VDD — Positive supply voltage (3.0 V to 6.0 V) |
| Pin 20 | RB0/INT — Port B bit 0 / External interrupt input |
| Pin 21 | RB1 — Port B bit 1 |
| Pin 22 | RB2 — Port B bit 2 |
| Pin 23 | RB3 — Port B bit 3 |
| Pin 24 | RB4 — Port B bit 4 |
| Pin 25 | RB5 — Port B bit 5 |
| Pin 26 | RB6/PGC — Port B bit 6 / In-circuit debugger clock |
| Pin 27 | RB7/PGD — Port B bit 7 / In-circuit debugger data |
| Pin 28 | VSS — Ground reference (secondary) |
Typical Applications
PIC16C62A-10E/SP is suitable for 6 applications: Industrial Motor Control, HVAC Actuator Control, Security Alarm Panels, Automotive Body Electronics, Legacy Appliance Control, Instrumentation Front-End.
Industrial Motor Control
The PIC16C62A-10E/SP's 22 I/O pins, integrated 16-bit Timer1, and Capture/Compare/PWM module make it well-suited for driving small DC motors, stepper motors, and brushless DC (BLDC) actuators in industrial equipment. Its 10 MHz clock generates PWM frequencies up to approximately 40 kHz at 8-bit resolution, sufficient for variable-speed drive control of sub-100W motors. The Extended -40 C to +125 C temperature grade allows deployment in factory floor enclosures without additional thermal management. Estimated: at 5 V VDD with the CCP module outputting a 25 kHz PWM signal, the part consumes roughly 4 mA active current plus peripheral drive current, well within thermal limits of the 28-pin SPDIP package.
Recommended
HVAC Actuator Control
HVAC damper and valve actuators require deterministic real-time response with low standby power consumption, both of which the PIC16C62A-10E/SP delivers via its single-cycle RISC architecture and approximately 1 uA standby current. The integrated I2C peripheral allows the MCU to communicate with environmental sensors (temperature, humidity, CO2) while the SPI bus drives LED indicators or rotary encoders on the user interface. The Extended temperature rating supports outdoor rooftop unit installations. Estimated: at 3.3 V VDD in standby mode (32 kHz clock), the part consumes under 5 uA, enabling multi-year battery life in wireless thermostat retrofit modules.
Recommended
Security Alarm Panels
Security alarm control panels benefit from the PIC16C62A-10E/SP's robust 22 I/O pins for zone input monitoring, siren output control, and keypad matrix scanning, while the 3.5 KB EPROM holds the complete alarm state-machine firmware. Brown-out reset and watchdog timer peripherals guard against code lockup and power glitches common in unattended alarm installations. The Extended temperature grade supports unheated garage and outdoor equipment rooms. Estimated: a 16-zone alarm panel requires approximately 2.0 KB of firmware for zone logic plus 0.5 KB for keypad scanning, leaving roughly 1 KB of EPROM free for customer-specific extensions.
Recommended
Automotive Body Electronics
Although not AEC-Q100 qualified, the PIC16C62A-10E/SP's Extended -40 C to +125 C operating range, integrated watchdog timer, and brown-out reset make it suitable for non-safety automotive body electronics such as interior lighting controllers, mirror adjusters, and seat-position memories. The 22 I/O pins drive relay coils and read limit switches directly, reducing external component count in cost-sensitive body modules. The I2C peripheral interfaces with body control network sensors (rain, light, temperature). Estimated: at 13.8 V vehicle supply, the MCU operates from a 5 V LDO front-end such as the LM7805, drawing approximately 2 mA active plus relay drive current.
Recommended
Legacy Appliance Control
White goods and small kitchen appliances - washing machines, dishwashers, microwave ovens, and coffee makers - have historically used PIC16C-series microcontrollers for their user-interface panels and motor control logic. The PIC16C62A-10E/SP's 22 I/O pins drive 7-segment displays, button matrices, and triac-based heater control directly. Its mature CMOS design has demonstrated field reliability across hundreds of millions of deployed appliances since the 1990s. Estimated: a microwave oven controller using this MCU plus a 16x2 character LCD and a 4x4 keypad matrix consumes approximately 8 mA active, comfortably within the SPDIP package's thermal envelope at room ambient.
Recommended
Instrumentation Front-End
Low-speed digital multimeters, bench power supplies, and laboratory data loggers use the PIC16C62A-10E/SP's I2C and SPI peripherals to interface with external ADCs, DACs, and EEPROM memory while its 22 I/O pins drive the LCD and rotary encoder user input. The 3.5 KB EPROM fits typical front-panel state machines for range selection, calibration constants storage, and RS-232 command handling. Brown-out reset preserves calibration data across power cycles. Estimated: a 4.5-digit bench multimeter front-end uses approximately 2.5 KB of firmware for range control, RMS conversion, and RS-232 command parsing, leaving roughly 1 KB of EPROM headroom.
Recommended
Recommended Products Summary
Engineering reference data for PIC16C62A-10E/SP — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16C62A-10I/SP | PIC16C62A-04I/SP | PIC16C62A-04E/SP | PIC16C62A-04/SP | PIC16C62A-10/SP | ATMEGA323-8PI | ATMEGA325-16MI |
|---|---|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology (Atmel) | Microchip Technology (Atmel) |
| Package | 28-DIP (0.300") | 28-DIP (0.300") - same | 28-DIP (0.300") - same | 28-DIP (0.300") - same | 28-DIP (0.300") - same | 28-DIP (0.300") - same | 28-DIP (0.300") - same | 28-DIP (0.300") - same |
| Core Architecture | PIC16C6X RISC 8-bit | PIC16C6X RISC 8-bit - same | PIC16C6X RISC 8-bit - same | PIC16C6X RISC 8-bit - same | PIC16C6X RISC 8-bit - same | PIC16C6X RISC 8-bit - same | AVR RISC 8-bit - different ISA | AVR RISC 8-bit - different ISA |
| Maximum Clock Frequency | 10 MHz | 10 MHz | 4 MHz (-60%) | 4 MHz (-60%) | 4 MHz (-60%) | 10 MHz | 8 MHz (-20%) | 16 MHz (+60%) |
| Program Memory | 3.5 KB OTP EPROM | 3.5 KB OTP EPROM | 3.5 KB OTP EPROM | 3.5 KB OTP EPROM | 3.5 KB OTP EPROM | 3.5 KB OTP EPROM | 2 KB Flash (different technology) | 32 KB Flash (+814%) |
| Temperature Grade | Extended -40C to +125C | Industrial -40C to +85C | Industrial -40C to +85C | Extended -40C to +125C - same | Commercial 0C to +70C | Commercial 0C to +70C | Industrial -40C to +85C | Industrial -40C to +85C |
| I/O Pins | 22 | 22 | 22 | 22 | 22 | 22 | 23 (+1) | 54 (+32, via larger pin count muxed) |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete (NRND) | Active (check Microchip site) |
Key Differentiators
- Extended -40C to +125C temperature grade versus Industrial -40C to +85C on the I-suffix siblings (vs PIC16C62A-10I/SP)
- 10 MHz maximum clock frequency versus 4 MHz on the 04-suffix siblings (vs PIC16C62A-04I/SP)
- Established PIC16C6X instruction set with 35 single-word instructions for deterministic single-cycle execution (vs ATMEGA323-8PI (AVR core))
Design Notes
Estimated: at 5 V VDD and 10 MHz operation, the PIC16C62A-10E/SP consumes roughly 2-3 mA active current, but peak transients during EPROM programming can reach 20 mA. Place a 10 uF bulk tantalum plus a 0.1 uF ceramic decoupling capacitor within 5 mm of the VDD/VSS pins to suppress these transients. For battery-powered applications, leverage the standby mode that draws approximately 1 uA at 3 V/32 kHz per the Microchip PIC16C6X datasheet family.
Estimated: route the oscillator traces (OSC1/OSC2) as short as possible (under 10 mm) and guard them with a ground pour to minimize EMI pickup on the clock signal. For through-hole designs using the SPDIP package, place the crystal within 10 mm of the MCU and avoid routing digital signals parallel to the clock traces. Add a 1 MOhm parallel resistor across the crystal to ensure reliable startup across the -40 C to +125 C extended temperature range.
The PIC16C62A-10E/SP uses OTP (One-Time Programmable) EPROM, which cannot be reprogrammed in-circuit - this means firmware must be fully validated before programming. Once the EPROM is written, any code bug requires a new chip. For prototyping, use the JW (windowed) ceramic package variant for UV erasure, or migrate to a flash-based PIC16F-series equivalent for development. Brown-out reset must be enabled in the configuration word for reliable operation across noisy industrial power rails.
Compliance Information
Compliance data not present in the verified web data; the original 1997-era EPROM part pre-dates widespread RoHS adoption. For modern compliance, request a Certificate of Conformance from the distributor.
