PIC16CE624-04I/SO - 8-bit OTP MCU, 4MHz, 1.75KB | Microchip
MPN: PIC16CE624-04I/SO ✓ פעילPIC16CE624-04I/SO סקירה
An LDO is a type of linear voltage regulator that maintains a stable output voltage even when the input voltage approaches the output voltage. By analogy, the PIC16CE624 belongs to the 8-bit microcontroller family (PIC16C series), itself a sub-family within Microchip's broader PICmicro architecture hierarchy: PIC16C -> 8-bit MCU -> microcontroller -> embedded computing -> semiconductor. Understanding this hierarchy clarifies how the CE624 compares to PIC10/PIC12/PIC16/PIC18/PIC24/dsPIC/PIC32 parts in instruction set, memory map, and peripheral complement.
Key differentiating features include 2 on-chip analog comparators with a programmable voltage reference, 128 bytes of non-volatile EEPROM for parameter storage, an internal 4 MHz RC oscillator option, and an instruction set of only 35 single-word instructions, making it one of the easiest PIC microcontrollers to program. The wide 3.0 V to 5.5 V supply range, hardware USART-less design, and 25 mA source/sink per I/O simplify interface to relays, LEDs, and discrete logic.
Technically, the PIC16CE624 uses a Harvard-architecture RISC engine with a 14-bit instruction word, 8-bit data path, and a 33-instruction opcode set, delivering deterministic 200 ns cycle time at 20 MHz and 1 us at 4 MHz. Two comparators with programmable reference enable direct interfacing to analog sensors, eliminating an external op-amp. The 128-byte EEPROM endurance is rated at 1M erase/write cycles minimum, and brown-out reset is configurable for reliable operation on noisy rails.
Typical applications include appliance control boards, automotive body controllers, industrial sensor interfaces, security panels, and low-cost consumer products. Its 2 comparators with programmable VREF make it well suited for threshold detection on battery or thermistor inputs.
When designing with this part, ensure your programmer supports the OTP variant (the 'C' family is one-time programmable; choose PIC16F627A/628A/648A for Flash re-programmability in the same 18-pin footprint).
This page synthesizes cross-referenced Live Octopart distributor pricing, drop-in same-family alternatives from the Microchip PIC16CE62X lineup, and practical engineering guidance on the OTP programming constraint - information not bundled in the manufacturer datasheet.
חלופות תחליף ישיר עבור PIC16CE624-04I/SO — אותו מארז, תואם פין-לפין. חלקים במארז שונה הדורשים עיבוד מחדש של ה-PCB אינם נכללים.
וריאנטים בסדרה זו
דגמים מאותה סדרה התואמים Drop-in עם PIC16CE624-04I/SO (אותו גורם צורה וטביעת רגל) — שונים ב Instruction Cycle Time, Package, Core Architecture, Timers, Program Memory Size.
PIC16CE624-04/SO
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC16CE624T-04I/SO
✅ Drop-In📋 חלופה להתייחסות (לא בקטלוג)
PIC16CE624-04I/P
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16F627A-I/SO
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16CE624-04I/SS
✅ Drop-Inצור קשר לקבלת מחיר
הצג גיליון נתונים ←PIC16CE624-04I/SO דירוגים מרביים ומאפיינים חשמליים
| Core Architecture | PIC16C, 8-bit RISC (Harvard) |
| Instruction Set Size | 35 single-word instructions |
| Program Memory Type | OTP (One-Time Programmable) |
| Program Memory Size | 1.75 KB (1K x 14) |
| RAM Size | 96 bytes |
| EEPROM Data Memory | 128 bytes |
| תדר שעון מקסימלי | 4 MHz |
| Instruction Cycle Time | 200 ns at 20 MHz (1 us at 4 MHz) |
| Supply Voltage Range | 3.0 V to 5.5 V |
| I/O Pins | 13 |
| On-chip Comparators | 2 |
| Programmable Voltage Reference | Yes |
| Timers | Timer0, Timer1 (16-bit), Watchdog |
| מארז | 18-pin SOIC (SO), 0.300" body width |
| Operating Temperature Range (I grade) | -40 C to +85 C |
| סוג הרכבה | Surface Mount |
| סטטוס RoHS | Compliant (Pb-free SOIC package) |
תצורת פינים של PIC16CE624-04I/SO
| פין 1 | RA2/AN2 — Bidirectional I/O port A bit 2 / analog comparator input |
| פין 2 | RA3/AN3 — Bidirectional I/O port A bit 3 / analog comparator input |
| פין 3 | RA4/T0CKI — Bidirectional I/O port A bit 4 / Timer0 clock input |
| פין 4 | RA5/MCLR/VPP — Bidirectional I/O port A bit 5 / Master Clear (reset) / programming voltage |
| פין 5 | VSS — Ground reference |
| פין 6 | RB0/INT — Bidirectional I/O port B bit 0 / external interrupt |
| פין 7 | RB1 — Bidirectional I/O port B bit 1 |
| פין 8 | RB2 — Bidirectional I/O port B bit 2 |
| פין 9 | RB3 — Bidirectional I/O port B bit 3 |
| פין 10 | RB4 — Bidirectional I/O port B bit 4 |
| פין 11 | RB5 — Bidirectional I/O port B bit 5 |
| פין 12 | RB6 — Bidirectional I/O port B bit 6 |
| פין 13 | RB7 — Bidirectional I/O port B bit 7 |
| פין 14 | VSS — Ground (sometimes labeled VSS for second ground on this family) |
| פין 15 | OSC1/CLKIN — Oscillator crystal input / external clock input |
| פין 16 | OSC2/CLKOUT — Oscillator crystal output / clock output |
| פין 17 | RA0/AN0 — Bidirectional I/O port A bit 0 / analog comparator input |
| פין 18 | RA1/AN1 — Bidirectional I/O port A bit 1 / analog comparator input |
יישומים טיפוסיים
PIC16CE624-04I/SO מתאים עבור 6 יישוםs: Appliance Control Board, Automotive Body Controller, Industrial Sensor Interface, Security and Alarm Panel, Consumer Remote Control, Smart Home Sensor Node.
Appliance Control Board
The PIC16CE624-04I/SO fits appliance control boards because its 3.0-5.5 V supply range matches direct rectifier-rail regulation, its 13 I/O pins drive relays, triacs, and LED indicators without external buffers, and its 2 on-chip comparators with programmable VREF replace discrete op-amp threshold circuits for temperature and water-level sensing. The 128-byte EEPROM stores user-selectable cycle settings, and the 35-instruction RISC core is small enough to be coded by junior firmware engineers. At ~$1.62 per unit at 1k kq volume, the OTP-only restriction is acceptable in non-serviceable white goods.
מומלץ
Automotive Body Controller
For automotive body electronics (window lifters, mirror adjusters, interior lighting), the PIC16CE624-04I/SO offers -40 C to +85 C industrial operation, 2 comparators for switch-bounce-free contact sensing, and 128-byte EEPROM for retaining trim positions across battery disconnects. The 4 MHz grade is sufficient for 100 Hz PWM body-control loops. The 'I' suffix confirms industrial temperature grade; AEC-Q100 qualification is not claimed on this OTP variant, so for AEC-Q100 designs choose PIC16F627AT-I/SO or PIC16F628AT-I/SO instead.
מומלץ
Industrial Sensor Interface
The PIC16CE624-04I/SO suits industrial sensor interface modules where analog comparators detect threshold crossings on 4-20 mA loops, thermistor bridges, or photointerrupter outputs. The programmable voltage reference sets the comparator trip without external precision resistors, simplifying BOM. The 1 us instruction cycle supports 1 kHz sensor sampling, and the 13 I/O drive RS-485 transceivers or LCD segment drivers directly. Use the OTP-only variant in sealed, non-reprogrammable field installations.
מומלץ
Security and Alarm Panel
For security keypad and PIR motion-detector panels, the PIC16CE624-04I/SO's 128-byte EEPROM stores user codes, zone configurations, and event logs that survive power removal. The 2 comparators detect PIR sensor signal envelopes and tamper-switch states without analog front-end ICs. Low-power sleep current (under 1 uA typical) extends backup-battery life in mains-failure scenarios. The OTP restriction is acceptable since panel firmware is rarely updated post-deployment.
מומלץ
Consumer Remote Control
The PIC16CE624-04I/SO is a fit for low-cost IR/RF remote controls because its 13 I/O directly drive a 4x4 matrix keypad plus LED indicators without multiplexing ICs, the 35-instruction RISC core fits in 1.75 KB for IR RC5/RC6 or simple RF protocols, and EEPROM stores learned device codes. The industrial temperature grade tolerates garage and outdoor remotes. The OTP restriction is irrelevant since consumer remotes ship as sealed units.
מומלץ
Smart Home Sensor Node
For smart-home sensor nodes (door/window contact, leak detector, occupancy sensor), the PIC16CE624-04I/SO's 2 comparators wake the CPU on threshold crossings without continuous ADC sampling. Battery life of 5+ years is achievable on 2x AA cells because the comparators run in sleep mode at <1 uA. The 128-byte EEPROM retains node ID and pairing keys across battery swaps. The 4 MHz grade is sufficient for sub-1 kbps reporting loops via GPIO bit-banging or external transceiver control.
מומלץ
סיכום מוצרים מומלצים
נתוני עזר הנדסיים עבור PIC16CE624-04I/SO — השוואה, הנחיות תכנון ומידע על תאימות.
מדריך בחירה
השוואה עם חלופות
| פרמטר | מוצר זה | PIC16CE624-04/SO | PIC16CE624T-04I/SO | PIC16CE624-04I/P | PIC16F627A-I/SO | PIC16CE624-04I/SS |
|---|---|---|---|---|---|---|
| Brand | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology | Microchip Technology |
| Package | 18-SOIC | 18-SOIC - same | 18-SOIC - same | 18-PDIP - same pinout, through-hole | 18-SOIC - same | 20-SSOP - same die, smaller footprint |
| Program Memory | 1.75 KB OTP | 1.75 KB OTP | 1.75 KB OTP | 1.75 KB OTP | 1.75 KB Flash | 1.75 KB OTP |
| EEPROM | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes | 128 bytes |
| Max Clock | 4 MHz | 4 MHz | 4 MHz | 4 MHz | 20 MHz + 4 MHz internal | 4 MHz |
| Comparators | 2 with VREF | 2 with VREF | 2 with VREF | 2 with VREF | 2 with VREF | 2 with VREF |
| I/O Pins | 13 | 13 | 13 | 13 | 13 | 13 |
| Operating Temp (I grade) | -40 C to +85 C | 0 C to +70 C (commercial) | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C | -40 C to +85 C |
| Memory Type | OTP (one-time) | OTP | OTP | OTP | Flash (reprogrammable) | OTP |
מבדילים עיקריים
- Higher EEPROM data memory vs base PIC16C624 (לעומתPIC16C624 (base part))
- Drop-in Flash option with same 18-SOIC footprint (לעומתPIC16F627A-I/SO)
- Industrial -40 C to +85 C operating temperature (לעומתPIC16CE624-04/SO (commercial grade))
הערות תכנון
PIC16CE624 is OTP (one-time programmable). Verify your HEX file with a socketed PIC16CE624-04I/P prototype or a PIC16F627A-I/SO Flash sibling before committing to OTP production. A single code bug cannot be fixed in-circuit - the chip must be discarded and replaced. For development cycles, always order the Flash PIC16F627A-I/SO first.
Decouple VDD (pin 14) with a 100 nF ceramic capacitor placed within 5 mm of the pin, plus a 10 uF bulk electrolytic on the supply rail. The PIC16CE624 draws <2 mA active at 4 MHz but draws a startup surge when the WDT or oscillator wakes the device. Use a low-ESR ceramic on VDD to handle the inrush without VDD droop that could trigger brown-out reset.
Route the OSC1/OSC2 traces (pins 15/16) as short as possible and keep them away from switching nodes such as relay drivers or PWM outputs. For a 4 MHz crystal, place a 15-33 pF load capacitor on each OSC pin matching the crystal's load specification. The MCLR/VPP pin (pin 4) requires a 10 kohm pull-up to VDD and a 100 nF cap to ground for in-circuit programming stability.
Estimated: At 4 MHz / 5 V the PIC16CE624 dissipates approximately 25 mW (active current 5 mA * 5 V). Junction temperature rise in the 18-SOIC package is negligible (~1 C above ambient given theta_JA of ~85 C/W). Even at 85 C ambient, junction temperature stays well below the 150 C maximum, so no thermal management is required for typical industrial operation.
The PIC16CE624 analog comparators (pins 1, 2, 17, 18) have input bias currents in the nA range but can be disturbed by digital switching on adjacent pins. Place the analog input traces away from digital lines, use a guard ring tied to analog ground, and configure the comparator pins as analog inputs (clear the corresponding TRIS bits) in software to disable the digital input buffer.
מידע על תאימות
Pb-free 18-SOIC package per Microchip product page. AEC-Q100 automotive qualification is not claimed on the OTP PIC16CE624 variant; for AEC-Q100 designs choose PIC16F627AT-I/SO or PIC16F628AT-I/SO instead. RoHS and REACH compliance per Microchip material disclosure.
