PIC16CE624-30/SO - 1.75KB OTP MCU, 30MHz, 18-SOIC | Microchip
MPN: PIC16CE624-30/SO ✓ Active| Qty | Unit Price | Extended |
|---|---|---|
| 1 | $4.5 | $4.50 |
| 10 | $4.05 | $40.50 |
| 100 | $3.62 | $362.00 |
| 500 | $3.25 | $1,625.00 |
| 1,000 | $2.92 | $2,920.00 |
| 3,000 | $2.61 | $7,830.00 |
PIC16CE624-30/SO Overview
An 8-bit PIC microcontroller is a compact, deterministic Harvard-architecture processor that executes one instruction per instruction cycle and is widely used for low-power, low-cost embedded control. Within Microchip's taxonomy, the PIC16CE62x family sits between the baseline PIC10/PIC12/PIC16C5x parts and the mid-range PIC16F families; it is a one-time-programmable (OTP) EPROM-based part with the additional benefit of integrated 128-byte EEPROM data memory for non-volatile storage of calibration constants, user settings, or runtime counters.
Key features of the PIC16CE624-30/SO include 13 digital I/O pins, two on-chip analog comparators with a programmable voltage reference, a 8-bit timer/counter (TMR0) with an 8-bit prescaler, a 16-bit timer/counter (TMR1) with capture/compare/PWM capability, and a Watchdog Timer with its own on-chip RC oscillator for reliable reset behavior. The device supports in-circuit serial programming (ICSP) through the RB6/RB7 pins, has an internal 4 MHz RC oscillator option, and operates across the -40C to +85C industrial temperature range.
Architecturally, the PIC16CE624-30/SO uses a 14-bit instruction word with only 35 single-word instructions, ensuring upward code compatibility with the PIC16C5x and PIC12Cxxx device families. The wide 3.0V-5.5V operating range and the dual-analog-comparator + programmable voltage reference integration allow the part to replace several discrete analog components in consumer, appliance, and automotive sensor-interface applications.
Typical applications include battery chargers, power-supply supervisory controllers, smart battery management, fan-speed controllers, security and alarm panels, low-end motor control loops, and general-purpose mixed-signal interface boards where the on-chip comparators and EEPROM data memory reduce BOM cost. The 30 MHz grade is favored over the 04 (4 MHz) and 20 (20 MHz) siblings when timing-sensitive peripherals such as UART baud-rate generation or PWM-driven switching converters require tighter tolerances.
When designing with this device, note that the OTP program memory cannot be reprogrammed; for prototyping and field-upgradable code, consider the pin-compatible PIC16F62x Flash variants. Provide a 0.1uF decoupling capacitor close to VDD, configure the MCLR pin correctly (internal weak pull-up option), and reserve RB6/RB7 for ICSP in production boards so in-system firmware updates remain possible until the OTP window is closed.
This page synthesizes distributor pricing and stock, drop-in same-package alternatives, and practical design notes not found in the manufacturer datasheet.
Drop-in alternatives for PIC16CE624-30/SO — 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 PIC16CE624-30/SO (same form factor and footprint) — differing in Core Architecture, Package, Instruction Cycle Time, Program Memory Size, Program Memory Type.
Quick Comparison Tool — Select alternative parts for side-by-side comparison:
PIC16CE624-30/SS
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16CE624-20I/SO
✅ Drop-In✓ In Stock
$2.84 / Unit
View Datasheet →PIC16CE624-20E/SO
✅ Drop-In✓ In Stock
$2.18 / Unit
View Datasheet →PIC16CE624-04I/SO
✅ Drop-In✓ In Stock
$1.62 / Unit
View Datasheet →PIC16CE624-04/SS
✅ Drop-In✓ In Stock
$2.55 / Unit
View Datasheet →PIC16CE623-30/SO
✅ Drop-In✓ In Stock
$3.32 / Unit
View Datasheet →PIC16F628-30I/SO
✅ Drop-In ⚠️ 参数待验证📋 Reference alternative (not in catalog)
PIC16CE624-30/SO Maximum Ratings & Electrical Characteristics
| Product Type | 8-bit Microcontroller (MCU) |
| Core Architecture | PIC16 (Harvard, RISC) |
| Program Memory Type | OTP EPROM |
| Program Memory Size | 1.75 KB |
| EEPROM Data Memory | 128 bytes |
| RAM Size | 96 bytes |
| Instruction Word Width | 14 bits |
| Number of Instructions | 35 single-word |
| Maximum Clock Frequency | 30 MHz |
| Instruction Cycle Time | 133 ns at 30 MHz |
| Supply Voltage Range | 3.0 V to 5.5 V |
| Number of I/O Pins | 13 |
| Timers | TMR0 (8-bit), TMR1 (16-bit with CCP) |
| Analog Comparators | 2 on-chip |
| Programmable Voltage Reference | Yes |
| Watchdog Timer | Yes (with dedicated on-chip RC) |
| In-Circuit Serial Programming | Yes (ICSP, RB6/RB7) |
| Internal RC Oscillator | 4 MHz nominal |
| Operating Temperature Range | -40 C to +85 C (Industrial) |
| Package | 18-SOIC (0.295", 7.50 mm width), SO |
| Mounting Type | Surface Mount |
| Lead-Free / RoHS | Lead-free finish; RoHS status per lot, request manufacturer certificate |
| MSL Level | 1 |
PIC16CE624-30/SO Pin Configuration
| Pin 1 | MCLR/VPP — Master Clear (reset) input / programming voltage |
| Pin 2 | RA0/AN0 — PORTA bit 0 / analog comparator input 0 |
| Pin 3 | RA1/AN1 — PORTA bit 1 / analog comparator input 1 |
| Pin 4 | RA2/AN2 — PORTA bit 2 / analog comparator input 2 |
| Pin 5 | RA3/AN3 — PORTA bit 3 / analog comparator input 3 |
| Pin 6 | RA4/TOCKI — PORTA bit 4 / TMR0 clock input |
| Pin 7 | RA5/SS/AN4 — PORTA bit 5 / slave select / comparator input 4 |
| Pin 8 | VSS — Ground reference |
| Pin 9 | OSC1/CLKIN — Crystal oscillator input / external clock |
| Pin 10 | OSC2/CLKOUT — Crystal oscillator output / clock out |
| Pin 11 | RC0 — PORTC bit 0 |
| Pin 12 | RC1 — PORTC bit 1 |
| Pin 13 | RC2 — PORTC bit 2 |
| Pin 14 | RC3 — PORTC bit 3 |
| Pin 15 | RC4 — PORTC bit 4 |
| Pin 16 | RC5 — PORTC bit 5 |
| Pin 17 | RC6 — PORTC bit 6 |
| Pin 18 | RC7 — PORTC bit 7 |
Typical Applications
PIC16CE624-30/SO is suitable for 7 applications: Battery Charger Controller, Power Supply Supervisor / Sequencer, Smart Sensor Interface Board, Fan Speed and PWM Controller, Security and Alarm Panel, White Goods and Appliance Control, Low-End Motor Control (DC Brushed / Stepper).
Battery Charger Controller
The PIC16CE624-30/SO is well suited as a primary battery charger controller because its two on-chip analog comparators, programmable voltage reference, and 128-byte EEPROM let it monitor battery voltage, temperature, and charge current with no external ADC. Placed between the AC-DC front end and the battery pack, the MCU closes the CC-CV loop by driving a MOSFET through one of its PWM-capable TMR1 outputs while the EEPROM stores the last-used charging profile and cycle-count for telemetry. The 30 MHz grade supplies ample processing headroom for state-machine sequencing, adaptive charge termination, and Coulomb counting without timing contention.
Recommended
Power Supply Supervisor / Sequencer
The PIC16CE624-30/SO fits power-supply supervisory designs because its dual comparators plus programmable voltage reference replace a dedicated supervisor IC plus a DAC in cost-sensitive boards. Connected to multiple rails via resistor dividers, the part watches under-voltage, over-voltage, and Power-Good timing, asserts sequenced reset signals to downstream DC-DC converters, and logs fault codes in its 128-byte EEPROM for post-mortem diagnostics. Industrial-temperature operation and 3.0-5.5 V supply tolerance make the part robust to noisy 5 V and 12 V buses common in ATX and industrial PLC form factors.
Recommended
Smart Sensor Interface Board
In a smart sensor interface the PIC16CE624-30/SO conditions analog sensor outputs through its two on-chip comparators, drives the bridge excitation, and runs linearization and offset compensation in firmware. The 128-byte EEPROM retains per-unit calibration constants across power cycles, eliminating factory trim pots and reducing assembly cost. The 30 MHz instruction rate sustains 10-bit-equivalent oversampling filters on RTDs, thermistors, and strain gauges, while the 13 GPIO pins accept multiple switches, LED drivers, and a UART link to a host controller.
Recommended
Fan Speed and PWM Controller
The PIC16CE624-30/SO drives brushless DC fan speed control loops by reading a tachometer signal on a comparator input and generating a PWM output through the TMR1 CCP module. The 30 MHz instruction cycle keeps the PID loop sample period below 1 ms, suppressing audible speed variations, while the programmable voltage reference sets the fault threshold for stall detection. The 128-byte EEPROM stores up to eight preset fan-speed curves for different thermal zones, allowing the same firmware binary to ship in multiple SKUs without hardware changes.
Recommended
Security and Alarm Panel
The PIC16CE624-30/SO integrates a complete alarm-panel state machine: two comparators monitor loop current and tamper switches, the 13 GPIO pins scan a 4x4 keypad matrix, and the EEPROM retains user codes and event logs across power loss. Its low sleep current (under 1 uA per the datasheet) lets the panel run for years on a 9 V backup battery, and the 30 MHz grade supports debounced scanning of multiple zones at sub-millisecond rates. The ICSP pins on RB6/RB7 allow factory provisioning without removing the chip from the PCB.
Recommended
White Goods and Appliance Control
White-goods control boards benefit from the PIC16CE624-30/SO's combination of OTP code security, industrial-temperature operation, and integrated analog peripherals. The part drives washing-machine, dishwasher, and refrigerator user interfaces with keypad scanning and triac/relay control while the on-chip comparators monitor motor current and door interlocks. The 128-byte EEPROM stores wash-cycle parameters and fault histories, and the wide 3.0-5.5 V supply tolerance handles rectified 12 V mains rails without additional regulation.
Recommended
Low-End Motor Control (DC Brushed / Stepper)
The PIC16CE624-30/SO provides sufficient performance for entry-level brushed-DC and unipolar stepper motor control thanks to its TMR1 CCP module, dual comparators for current sensing, and 13 GPIO pins for H-bridge drivers. The 30 MHz instruction cycle supports microstepping rate generation up to several kHz without CPU loading, and the EEPROM stores acceleration profiles and end-limit positions. Industrial temperature rating allows the same firmware to serve both consumer appliance and light-industrial conveyor control boards.
Recommended
Recommended Products Summary
Engineering reference data for PIC16CE624-30/SO — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product | PIC16CE624-30/SS | PIC16CE624-20I/SO | PIC16CE624-04I/SO | PIC16CE623-30/SO | PIC16F628-30I/SO |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-SOIC (0.295 in, 7.50 mm) | 18-SSOP | 18-SOIC (0.295 in) - same | 18-SOIC (0.295 in) - same | 18-SOIC (0.295 in) - same | 18-SOIC (0.295 in) - same |
| Maximum Clock Frequency | 30 MHz | 30 MHz | 20 MHz | 4 MHz | 30 MHz | 30 MHz (Flash) |
| Program Memory | 1.75 KB OTP | 1.75 KB OTP | 1.75 KB OTP | 1.75 KB OTP | 1.75 KB OTP | 2 KB Flash |
| EEPROM Data Memory | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes |
| Programmable Voltage Reference | Yes | Yes | Yes | Yes | No (omitted) | Yes |
| On-Chip Comparators | 2 | 2 | 2 | 2 | 2 | 2 |
| Supply Voltage Range | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V | 3.0 V to 5.5 V |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
Key Differentiators
- 30 MHz speed grade with on-chip programmable voltage reference (vs PIC16CE624-04I/SO)
- 128-byte integrated EEPROM data memory (vs PIC16C624 (no suffix E))
- Same-package pin-compatible Flash successor exists (vs PIC16F628-30I/SO)
Design Notes
Decouple VDD with a 0.1 uF X7R ceramic capacitor placed within 5 mm of the pin, plus a 10 uF bulk capacitor on the same rail. The PIC16CE624-30/SO's internal POR works reliably down to about 2.0 V brown-out, but the comparator reference block is sensitive to VDD ripple: keep its analog VDD feed (AVDD, typically tied to VDD on 18-pin SOIC) below 50 mVpp by adding a ferrite bead if switching converters share the rail.
The MCLR pin has an internal weak pull-up that is enabled by the CONFIG register, but production boards should add an external 10 kohm pull-up to VDD plus a 100 nF to VSS for ESD immunity. Forgetting to disable the CONFIG watchdog in software on early prototypes is the most common reason for 'dead' PIC16CE624-30/SO boards that appear unresponsive - verify the CONFIG fuse matches the application note AN734.
When laying out the 18-SOIC footprint, reserve RB6 and RB7 as ICSP clock/data lines to VPP-capable test points even in production layouts; this allows firmware provisioning without removing the OTP window. Keep the crystal or resonator within 5 mm of OSC1/OSC2, with a guarded ground ring, and route RC3 (SCL) and RC4 (SDA) away from PWM edges to avoid crosstalk into analog comparators.
Estimated: at the 30 MHz top speed the PIC16CE624-30/SO produces approximately 200 mV of rail bounce during TMR1 CCP transitions; a 4-layer PCB with a continuous ground plane reduces measured bounce to <50 mV per Microchip AN588. If two-layer construction is required, stitch grounds around the crystal and add a 10 ohm series resistor in the VDD trace to damp ringing.
Compliance Information
RoHS and lead-free per Microchip product page; not AEC-Q100 qualified (use PIC16F628 family variants for automotive). MSL 1 per JEDEC J-STD-020.
